CN1303583C - 多通道音频编码器 - Google Patents
多通道音频编码器 Download PDFInfo
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- CN1303583C CN1303583C CNB031569277A CN03156927A CN1303583C CN 1303583 C CN1303583 C CN 1303583C CN B031569277 A CNB031569277 A CN B031569277A CN 03156927 A CN03156927 A CN 03156927A CN 1303583 C CN1303583 C CN 1303583C
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Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0204—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
- G10L19/0208—Subband vocoders
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereo-Broadcasting Methods (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Stereophonic System (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Color Television Systems (AREA)
Abstract
Description
Trate | Fsamp(kHz) | ||||
8-12 | 16-24 | 32-48 | 64-96 | 128-192 | |
≤512kbps≤1024kbps≤2048kbps≤4096kbps | 1024★★★ | 20481024★★ | 409620481024★ | ★★20481024 | ★★★2048 |
Trate | Fsamp(kHz) | ||||
8-12 | 16-24 | 32-48 | 64-96 | 128-192 | |
<512kbps<1024kbps<2048kbps<4096kbps | 8-5.3k★★★ | 8-5.3k8-5.3k★★ | 8-5.3k8-5.3k8-5.3k★ | ★★8-5.3k8-5.3k | ★★★8-5.3k |
ABIT变址 | 量化层的数目 | 编码长度(位) | SNoR(dB) |
0123456789101112131415161718192021222324252627 | 0357(或8)91317(或16)2533(或32)65(或64)129(或128)2565121024204840968192163843276865536131072262144524268104857620971524194304838860816777216 | 0可变的可变的可变的(或3)可变的可变的可变的(或4)可变的可变的(或5)可变的(或6)可变的(或7)89101112131415161718192021222324 | -8121619212427303642485460667278849096102108114120126132138144 |
Claims (5)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US789695P | 1995-12-01 | 1995-12-01 | |
US60/007,896 | 1995-12-01 | ||
US08/642,254 | 1996-05-02 | ||
US08/642,254 US5956674A (en) | 1995-12-01 | 1996-05-02 | Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN96199832A Division CN1132151C (zh) | 1995-12-01 | 1996-11-21 | 多通道声解码器 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006100817855A Division CN1848241B (zh) | 1995-12-01 | 1996-11-21 | 多通道音频编码器 |
CN200610081786XA Division CN1848242B (zh) | 1995-12-01 | 1996-11-21 | 多通道音频编码器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1495705A CN1495705A (zh) | 2004-05-12 |
CN1303583C true CN1303583C (zh) | 2007-03-07 |
Family
ID=26677495
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB031569277A Expired - Lifetime CN1303583C (zh) | 1995-12-01 | 1996-11-21 | 多通道音频编码器 |
CN200610081786XA Expired - Lifetime CN1848242B (zh) | 1995-12-01 | 1996-11-21 | 多通道音频编码器 |
CN2006100817855A Expired - Lifetime CN1848241B (zh) | 1995-12-01 | 1996-11-21 | 多通道音频编码器 |
CN96199832A Expired - Lifetime CN1132151C (zh) | 1995-12-01 | 1996-11-21 | 多通道声解码器 |
CN2010101265919A Expired - Lifetime CN101872618B (zh) | 1995-12-01 | 1996-11-21 | 多通道音频编码器 |
Family Applications After (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200610081786XA Expired - Lifetime CN1848242B (zh) | 1995-12-01 | 1996-11-21 | 多通道音频编码器 |
CN2006100817855A Expired - Lifetime CN1848241B (zh) | 1995-12-01 | 1996-11-21 | 多通道音频编码器 |
CN96199832A Expired - Lifetime CN1132151C (zh) | 1995-12-01 | 1996-11-21 | 多通道声解码器 |
CN2010101265919A Expired - Lifetime CN101872618B (zh) | 1995-12-01 | 1996-11-21 | 多通道音频编码器 |
Country Status (18)
Country | Link |
---|---|
US (4) | US5956674A (zh) |
EP (1) | EP0864146B1 (zh) |
JP (1) | JP4174072B2 (zh) |
KR (1) | KR100277819B1 (zh) |
CN (5) | CN1303583C (zh) |
AT (1) | ATE279770T1 (zh) |
AU (1) | AU705194B2 (zh) |
BR (1) | BR9611852A (zh) |
CA (2) | CA2238026C (zh) |
DE (1) | DE69633633T2 (zh) |
DK (1) | DK0864146T3 (zh) |
EA (1) | EA001087B1 (zh) |
ES (1) | ES2232842T3 (zh) |
HK (4) | HK1015510A1 (zh) |
MX (1) | MX9804320A (zh) |
PL (3) | PL183092B1 (zh) |
PT (1) | PT864146E (zh) |
WO (1) | WO1997021211A1 (zh) |
Families Citing this family (545)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0880235A1 (en) * | 1996-02-08 | 1998-11-25 | Matsushita Electric Industrial Co., Ltd. | Wide band audio signal encoder, wide band audio signal decoder, wide band audio signal encoder/decoder and wide band audio signal recording medium |
US8306811B2 (en) * | 1996-08-30 | 2012-11-06 | Digimarc Corporation | Embedding data in audio and detecting embedded data in audio |
JP3622365B2 (ja) * | 1996-09-26 | 2005-02-23 | ヤマハ株式会社 | 音声符号化伝送方式 |
JPH10271082A (ja) * | 1997-03-21 | 1998-10-09 | Mitsubishi Electric Corp | 音声データ復号装置 |
US6449227B1 (en) | 1997-03-25 | 2002-09-10 | Samsung Electronics Co., Ltd. | DVD-audio disk, and apparatus and method for playing the same |
US6741796B1 (en) * | 1997-03-25 | 2004-05-25 | Samsung Electronics, Co., Ltd. | DVD-Audio disk, and apparatus and method for playing the same |
US7110662B1 (en) | 1997-03-25 | 2006-09-19 | Samsung Electronics Co., Ltd. | Apparatus and method for recording data on a DVD-audio disk |
WO1998044637A1 (en) * | 1997-03-28 | 1998-10-08 | Sony Corporation | Data coding method and device, data decoding method and device, and recording medium |
US6298025B1 (en) * | 1997-05-05 | 2001-10-02 | Warner Music Group Inc. | Recording and playback of multi-channel digital audio having different resolutions for different channels |
SE512719C2 (sv) * | 1997-06-10 | 2000-05-02 | Lars Gustaf Liljeryd | En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion |
US6636474B1 (en) * | 1997-07-16 | 2003-10-21 | Victor Company Of Japan, Ltd. | Recording medium and audio-signal processing apparatus |
US5903872A (en) * | 1997-10-17 | 1999-05-11 | Dolby Laboratories Licensing Corporation | Frame-based audio coding with additional filterbank to attenuate spectral splatter at frame boundaries |
DE69722973T2 (de) * | 1997-12-19 | 2004-05-19 | Stmicroelectronics Asia Pacific Pte Ltd. | Verfahren und gerät zur phasenschätzung in einem transformationskodierer für hochqualitätsaudio |
EP1050113B1 (en) * | 1997-12-27 | 2002-03-13 | STMicroelectronics Asia Pacific Pte Ltd. | Method and apparatus for estimation of coupling parameters in a transform coder for high quality audio |
US6089714A (en) * | 1998-02-18 | 2000-07-18 | Mcgill University | Automatic segmentation of nystagmus or other complex curves |
JP3802219B2 (ja) * | 1998-02-18 | 2006-07-26 | 富士通株式会社 | 音声符号化装置 |
JPH11234136A (ja) * | 1998-02-19 | 1999-08-27 | Sanyo Electric Co Ltd | デジタルデータの符号化方法及び符号化装置 |
US6253185B1 (en) * | 1998-02-25 | 2001-06-26 | Lucent Technologies Inc. | Multiple description transform coding of audio using optimal transforms of arbitrary dimension |
KR100304092B1 (ko) * | 1998-03-11 | 2001-09-26 | 마츠시타 덴끼 산교 가부시키가이샤 | 오디오 신호 부호화 장치, 오디오 신호 복호화 장치 및 오디오 신호 부호화/복호화 장치 |
US6400727B1 (en) * | 1998-03-27 | 2002-06-04 | Cirrus Logic, Inc. | Methods and system to transmit data acquired at a variable rate over a fixed rate channel |
US6385345B1 (en) * | 1998-03-31 | 2002-05-07 | Sharp Laboratories Of America, Inc. | Method and apparatus for selecting image data to skip when encoding digital video |
JPH11331248A (ja) * | 1998-05-08 | 1999-11-30 | Sony Corp | 送信装置および送信方法、受信装置および受信方法、並びに提供媒体 |
US6141645A (en) * | 1998-05-29 | 2000-10-31 | Acer Laboratories Inc. | Method and device for down mixing compressed audio bit stream having multiple audio channels |
US6141639A (en) * | 1998-06-05 | 2000-10-31 | Conexant Systems, Inc. | Method and apparatus for coding of signals containing speech and background noise |
EP0966109B1 (en) * | 1998-06-15 | 2005-04-27 | Matsushita Electric Industrial Co., Ltd. | Audio coding method and audio coding apparatus |
US6061655A (en) * | 1998-06-26 | 2000-05-09 | Lsi Logic Corporation | Method and apparatus for dual output interface control of audio decoder |
US6301265B1 (en) * | 1998-08-14 | 2001-10-09 | Motorola, Inc. | Adaptive rate system and method for network communications |
US7457415B2 (en) | 1998-08-20 | 2008-11-25 | Akikaze Technologies, Llc | Secure information distribution system utilizing information segment scrambling |
JP4308345B2 (ja) * | 1998-08-21 | 2009-08-05 | パナソニック株式会社 | マルチモード音声符号化装置及び復号化装置 |
US6704705B1 (en) * | 1998-09-04 | 2004-03-09 | Nortel Networks Limited | Perceptual audio coding |
GB9820655D0 (en) * | 1998-09-22 | 1998-11-18 | British Telecomm | Packet transmission |
US7272556B1 (en) * | 1998-09-23 | 2007-09-18 | Lucent Technologies Inc. | Scalable and embedded codec for speech and audio signals |
JP4193243B2 (ja) * | 1998-10-07 | 2008-12-10 | ソニー株式会社 | 音響信号符号化方法及び装置、音響信号復号化方法及び装置並びに記録媒体 |
US6463410B1 (en) * | 1998-10-13 | 2002-10-08 | Victor Company Of Japan, Ltd. | Audio signal processing apparatus |
US6330673B1 (en) | 1998-10-14 | 2001-12-11 | Liquid Audio, Inc. | Determination of a best offset to detect an embedded pattern |
US6219634B1 (en) * | 1998-10-14 | 2001-04-17 | Liquid Audio, Inc. | Efficient watermark method and apparatus for digital signals |
US6320965B1 (en) | 1998-10-14 | 2001-11-20 | Liquid Audio, Inc. | Secure watermark method and apparatus for digital signals |
US6345100B1 (en) | 1998-10-14 | 2002-02-05 | Liquid Audio, Inc. | Robust watermark method and apparatus for digital signals |
US6754241B1 (en) * | 1999-01-06 | 2004-06-22 | Sarnoff Corporation | Computer system for statistical multiplexing of bitstreams |
US6357029B1 (en) * | 1999-01-27 | 2002-03-12 | Agere Systems Guardian Corp. | Joint multiple program error concealment for digital audio broadcasting and other applications |
SE9903553D0 (sv) * | 1999-01-27 | 1999-10-01 | Lars Liljeryd | Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL) |
US6931372B1 (en) * | 1999-01-27 | 2005-08-16 | Agere Systems Inc. | Joint multiple program coding for digital audio broadcasting and other applications |
US6378101B1 (en) * | 1999-01-27 | 2002-04-23 | Agere Systems Guardian Corp. | Multiple program decoding for digital audio broadcasting and other applications |
TW477119B (en) * | 1999-01-28 | 2002-02-21 | Winbond Electronics Corp | Byte allocation method and device for speech synthesis |
FR2791167B1 (fr) * | 1999-03-17 | 2003-01-10 | Matra Nortel Communications | Procedes de codage, de decodage et de transcodage audio |
JP3739959B2 (ja) * | 1999-03-23 | 2006-01-25 | 株式会社リコー | デジタル音響信号符号化装置、デジタル音響信号符号化方法及びデジタル音響信号符号化プログラムを記録した媒体 |
DE19914742A1 (de) * | 1999-03-31 | 2000-10-12 | Siemens Ag | Verfahren zum Übertragen von Daten |
JP2001006291A (ja) * | 1999-06-21 | 2001-01-12 | Fuji Film Microdevices Co Ltd | オーディオ信号の符号化方式判定装置、及びオーディオ信号の符号化方式判定方法 |
US7283965B1 (en) * | 1999-06-30 | 2007-10-16 | The Directv Group, Inc. | Delivery and transmission of dolby digital AC-3 over television broadcast |
US6553210B1 (en) * | 1999-08-03 | 2003-04-22 | Alliedsignal Inc. | Single antenna for receipt of signals from multiple communications systems |
US6581032B1 (en) * | 1999-09-22 | 2003-06-17 | Conexant Systems, Inc. | Bitstream protocol for transmission of encoded voice signals |
US7181297B1 (en) | 1999-09-28 | 2007-02-20 | Sound Id | System and method for delivering customized audio data |
US6496798B1 (en) * | 1999-09-30 | 2002-12-17 | Motorola, Inc. | Method and apparatus for encoding and decoding frames of voice model parameters into a low bit rate digital voice message |
US6741947B1 (en) * | 1999-11-30 | 2004-05-25 | Agilent Technologies, Inc. | Monitoring system and method implementing a total node power test |
US6732061B1 (en) * | 1999-11-30 | 2004-05-04 | Agilent Technologies, Inc. | Monitoring system and method implementing a channel plan |
US6842735B1 (en) * | 1999-12-17 | 2005-01-11 | Interval Research Corporation | Time-scale modification of data-compressed audio information |
US7792681B2 (en) * | 1999-12-17 | 2010-09-07 | Interval Licensing Llc | Time-scale modification of data-compressed audio information |
EP1208725B1 (en) * | 1999-12-24 | 2009-06-03 | Koninklijke Philips Electronics N.V. | Multichannel audio signal processing device |
WO2001050459A1 (en) * | 1999-12-31 | 2001-07-12 | Octiv, Inc. | Techniques for improving audio clarity and intelligibility at reduced bit rates over a digital network |
US6499010B1 (en) * | 2000-01-04 | 2002-12-24 | Agere Systems Inc. | Perceptual audio coder bit allocation scheme providing improved perceptual quality consistency |
TW499672B (en) * | 2000-02-18 | 2002-08-21 | Intervideo Inc | Fast convergence method for bit allocation stage of MPEG audio layer 3 encoders |
US7679678B2 (en) * | 2000-02-29 | 2010-03-16 | Sony Corporation | Data processing device and method, and recording medium and program |
CN1208904C (zh) * | 2000-04-14 | 2005-06-29 | 西门子公司 | 具有有用数据和冗余数据的数据流的信道解码方法和装置 |
US6782366B1 (en) * | 2000-05-15 | 2004-08-24 | Lsi Logic Corporation | Method for independent dynamic range control |
US7136810B2 (en) * | 2000-05-22 | 2006-11-14 | Texas Instruments Incorporated | Wideband speech coding system and method |
US6725110B2 (en) * | 2000-05-26 | 2004-04-20 | Yamaha Corporation | Digital audio decoder |
KR20020029672A (ko) * | 2000-05-30 | 2002-04-19 | 요트.게.아. 롤페즈 | 씨.디. 오디오 상의 코딩된 정보 |
US6678647B1 (en) * | 2000-06-02 | 2004-01-13 | Agere Systems Inc. | Perceptual coding of audio signals using cascaded filterbanks for performing irrelevancy reduction and redundancy reduction with different spectral/temporal resolution |
US6778953B1 (en) * | 2000-06-02 | 2004-08-17 | Agere Systems Inc. | Method and apparatus for representing masked thresholds in a perceptual audio coder |
US7110953B1 (en) * | 2000-06-02 | 2006-09-19 | Agere Systems Inc. | Perceptual coding of audio signals using separated irrelevancy reduction and redundancy reduction |
US6754618B1 (en) * | 2000-06-07 | 2004-06-22 | Cirrus Logic, Inc. | Fast implementation of MPEG audio coding |
US6542863B1 (en) | 2000-06-14 | 2003-04-01 | Intervideo, Inc. | Fast codebook search method for MPEG audio encoding |
US6601032B1 (en) * | 2000-06-14 | 2003-07-29 | Intervideo, Inc. | Fast code length search method for MPEG audio encoding |
US6678648B1 (en) | 2000-06-14 | 2004-01-13 | Intervideo, Inc. | Fast loop iteration and bitstream formatting method for MPEG audio encoding |
US6748363B1 (en) * | 2000-06-28 | 2004-06-08 | Texas Instruments Incorporated | TI window compression/expansion method |
US6745162B1 (en) * | 2000-06-22 | 2004-06-01 | Sony Corporation | System and method for bit allocation in an audio encoder |
JP2002014697A (ja) * | 2000-06-30 | 2002-01-18 | Hitachi Ltd | ディジタルオーディオ装置 |
FI109393B (fi) * | 2000-07-14 | 2002-07-15 | Nokia Corp | Menetelmä mediavirran enkoodaamiseksi skaalautuvasti, skaalautuva enkooderi ja päätelaite |
US6931371B2 (en) * | 2000-08-25 | 2005-08-16 | Matsushita Electric Industrial Co., Ltd. | Digital interface device |
SE519981C2 (sv) * | 2000-09-15 | 2003-05-06 | Ericsson Telefon Ab L M | Kodning och avkodning av signaler från flera kanaler |
US20020075965A1 (en) * | 2000-12-20 | 2002-06-20 | Octiv, Inc. | Digital signal processing techniques for improving audio clarity and intelligibility |
JP4063666B2 (ja) * | 2000-10-11 | 2008-03-19 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | マルチメディアのオブジェクトのスケーラブル符号化 |
US20030023429A1 (en) * | 2000-12-20 | 2003-01-30 | Octiv, Inc. | Digital signal processing techniques for improving audio clarity and intelligibility |
US7526348B1 (en) * | 2000-12-27 | 2009-04-28 | John C. Gaddy | Computer based automatic audio mixer |
CN1205540C (zh) * | 2000-12-29 | 2005-06-08 | 深圳赛意法微电子有限公司 | 含有解码器的电路、时分寻址的方法和一个微控制器 |
EP1223696A3 (en) * | 2001-01-12 | 2003-12-17 | Matsushita Electric Industrial Co., Ltd. | System for transmitting digital audio data according to the MOST method |
GB0103242D0 (en) * | 2001-02-09 | 2001-03-28 | Radioscape Ltd | Method of analysing a compressed signal for the presence or absence of information content |
GB0108080D0 (en) * | 2001-03-30 | 2001-05-23 | Univ Bath | Audio compression |
WO2002082425A1 (en) * | 2001-04-09 | 2002-10-17 | Koninklijke Philips Electronics N.V. | Adpcm speech coding system with specific step-size adaptation |
CN1221941C (zh) * | 2001-04-09 | 2005-10-05 | 皇家菲利浦电子有限公司 | 具有相位模糊和相位解抹滤波器的自适应差分脉码调制语音编码*** |
US7711123B2 (en) | 2001-04-13 | 2010-05-04 | Dolby Laboratories Licensing Corporation | Segmenting audio signals into auditory events |
US7610205B2 (en) * | 2002-02-12 | 2009-10-27 | Dolby Laboratories Licensing Corporation | High quality time-scaling and pitch-scaling of audio signals |
PL365018A1 (en) * | 2001-04-18 | 2004-12-27 | Koninklijke Philips Electronics N.V. | Audio coding |
US7116787B2 (en) * | 2001-05-04 | 2006-10-03 | Agere Systems Inc. | Perceptual synthesis of auditory scenes |
US7583805B2 (en) * | 2004-02-12 | 2009-09-01 | Agere Systems Inc. | Late reverberation-based synthesis of auditory scenes |
US7047201B2 (en) * | 2001-05-04 | 2006-05-16 | Ssi Corporation | Real-time control of playback rates in presentations |
US7644003B2 (en) * | 2001-05-04 | 2010-01-05 | Agere Systems Inc. | Cue-based audio coding/decoding |
US7451006B2 (en) | 2001-05-07 | 2008-11-11 | Harman International Industries, Incorporated | Sound processing system using distortion limiting techniques |
US7447321B2 (en) | 2001-05-07 | 2008-11-04 | Harman International Industries, Incorporated | Sound processing system for configuration of audio signals in a vehicle |
US6804565B2 (en) | 2001-05-07 | 2004-10-12 | Harman International Industries, Incorporated | Data-driven software architecture for digital sound processing and equalization |
JP4591939B2 (ja) * | 2001-05-15 | 2010-12-01 | Kddi株式会社 | 適応的符号化伝送装置および受信装置 |
WO2002102049A2 (en) * | 2001-06-11 | 2002-12-19 | Broadcom Corporation | System and method for multi-channel video and audio encoding on a single chip |
US6661880B1 (en) | 2001-06-12 | 2003-12-09 | 3Com Corporation | System and method for embedding digital information in a dial tone signal |
EP1271470A1 (en) * | 2001-06-25 | 2003-01-02 | Alcatel | Method and device for determining the voice quality degradation of a signal |
US7460629B2 (en) * | 2001-06-29 | 2008-12-02 | Agere Systems Inc. | Method and apparatus for frame-based buffer control in a communication system |
SE0202159D0 (sv) | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
JP3463752B2 (ja) * | 2001-07-25 | 2003-11-05 | 三菱電機株式会社 | 音響符号化装置、音響復号化装置、音響符号化方法および音響復号化方法 |
JP3469567B2 (ja) * | 2001-09-03 | 2003-11-25 | 三菱電機株式会社 | 音響符号化装置、音響復号化装置、音響符号化方法及び音響復号化方法 |
US7062429B2 (en) * | 2001-09-07 | 2006-06-13 | Agere Systems Inc. | Distortion-based method and apparatus for buffer control in a communication system |
US7333929B1 (en) | 2001-09-13 | 2008-02-19 | Chmounk Dmitri V | Modular scalable compressed audio data stream |
US6944474B2 (en) * | 2001-09-20 | 2005-09-13 | Sound Id | Sound enhancement for mobile phones and other products producing personalized audio for users |
US6732071B2 (en) * | 2001-09-27 | 2004-05-04 | Intel Corporation | Method, apparatus, and system for efficient rate control in audio encoding |
JP4245288B2 (ja) * | 2001-11-13 | 2009-03-25 | パナソニック株式会社 | 音声符号化装置および音声復号化装置 |
ES2268112T3 (es) * | 2001-11-14 | 2007-03-16 | Matsushita Electric Industrial Co., Ltd. | Codificacion y descodificacion de audio. |
WO2003043003A2 (en) * | 2001-11-16 | 2003-05-22 | Koninklijke Philips Electronics N.V. | Embedding supplementary data in an information signal |
EP1423847B1 (en) | 2001-11-29 | 2005-02-02 | Coding Technologies AB | Reconstruction of high frequency components |
US7240001B2 (en) * | 2001-12-14 | 2007-07-03 | Microsoft Corporation | Quality improvement techniques in an audio encoder |
US6934677B2 (en) * | 2001-12-14 | 2005-08-23 | Microsoft Corporation | Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands |
US7055018B1 (en) | 2001-12-31 | 2006-05-30 | Apple Computer, Inc. | Apparatus for parallel vector table look-up |
US7681013B1 (en) | 2001-12-31 | 2010-03-16 | Apple Inc. | Method for variable length decoding using multiple configurable look-up tables |
US6931511B1 (en) | 2001-12-31 | 2005-08-16 | Apple Computer, Inc. | Parallel vector table look-up with replicated index element vector |
US6697076B1 (en) | 2001-12-31 | 2004-02-24 | Apple Computer, Inc. | Method and apparatus for address re-mapping |
US6573846B1 (en) | 2001-12-31 | 2003-06-03 | Apple Computer, Inc. | Method and apparatus for variable length decoding and encoding of video streams |
US7467287B1 (en) | 2001-12-31 | 2008-12-16 | Apple Inc. | Method and apparatus for vector table look-up |
US7034849B1 (en) | 2001-12-31 | 2006-04-25 | Apple Computer, Inc. | Method and apparatus for image blending |
US6877020B1 (en) | 2001-12-31 | 2005-04-05 | Apple Computer, Inc. | Method and apparatus for matrix transposition |
US6822654B1 (en) | 2001-12-31 | 2004-11-23 | Apple Computer, Inc. | Memory controller chipset |
US7558947B1 (en) | 2001-12-31 | 2009-07-07 | Apple Inc. | Method and apparatus for computing vector absolute differences |
US7305540B1 (en) | 2001-12-31 | 2007-12-04 | Apple Inc. | Method and apparatus for data processing |
US7015921B1 (en) | 2001-12-31 | 2006-03-21 | Apple Computer, Inc. | Method and apparatus for memory access |
US7114058B1 (en) | 2001-12-31 | 2006-09-26 | Apple Computer, Inc. | Method and apparatus for forming and dispatching instruction groups based on priority comparisons |
US6693643B1 (en) | 2001-12-31 | 2004-02-17 | Apple Computer, Inc. | Method and apparatus for color space conversion |
US7848531B1 (en) * | 2002-01-09 | 2010-12-07 | Creative Technology Ltd. | Method and apparatus for audio loudness and dynamics matching |
US6618128B2 (en) * | 2002-01-23 | 2003-09-09 | Csi Technology, Inc. | Optical speed sensing system |
KR20040080003A (ko) * | 2002-02-18 | 2004-09-16 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 파라메트릭 오디오 코딩 |
US20030161469A1 (en) * | 2002-02-25 | 2003-08-28 | Szeming Cheng | Method and apparatus for embedding data in compressed audio data stream |
US20100042406A1 (en) * | 2002-03-04 | 2010-02-18 | James David Johnston | Audio signal processing using improved perceptual model |
US7313520B2 (en) * | 2002-03-20 | 2007-12-25 | The Directv Group, Inc. | Adaptive variable bit rate audio compression encoding |
US20030187663A1 (en) * | 2002-03-28 | 2003-10-02 | Truman Michael Mead | Broadband frequency translation for high frequency regeneration |
US7225135B2 (en) * | 2002-04-05 | 2007-05-29 | Lectrosonics, Inc. | Signal-predictive audio transmission system |
US20040125707A1 (en) * | 2002-04-05 | 2004-07-01 | Rodolfo Vargas | Retrieving content of various types with a conversion device attachable to audio outputs of an audio CD player |
US7428440B2 (en) * | 2002-04-23 | 2008-09-23 | Realnetworks, Inc. | Method and apparatus for preserving matrix surround information in encoded audio/video |
WO2003092327A1 (en) | 2002-04-25 | 2003-11-06 | Nokia Corporation | Method and device for reducing high frequency error components of a multi-channel modulator |
JP4016709B2 (ja) * | 2002-04-26 | 2007-12-05 | 日本電気株式会社 | オーディオデータの符号変換伝送方法と符号変換受信方法及び装置とシステムならびにプログラム |
US7492908B2 (en) * | 2002-05-03 | 2009-02-17 | Harman International Industries, Incorporated | Sound localization system based on analysis of the sound field |
US7096180B2 (en) * | 2002-05-15 | 2006-08-22 | Intel Corporation | Method and apparatuses for improving quality of digitally encoded speech in the presence of interference |
US7050965B2 (en) * | 2002-06-03 | 2006-05-23 | Intel Corporation | Perceptual normalization of digital audio signals |
US7747447B2 (en) * | 2002-06-21 | 2010-06-29 | Thomson Licensing | Broadcast router having a serial digital audio data stream decoder |
US7325048B1 (en) * | 2002-07-03 | 2008-01-29 | 3Com Corporation | Method for automatically creating a modem interface for use with a wireless device |
KR100462615B1 (ko) * | 2002-07-11 | 2004-12-20 | 삼성전자주식회사 | 적은 계산량으로 고주파수 성분을 복원하는 오디오 디코딩방법 및 장치 |
US8228849B2 (en) * | 2002-07-15 | 2012-07-24 | Broadcom Corporation | Communication gateway supporting WLAN communications in multiple communication protocols and in multiple frequency bands |
CN1669358A (zh) | 2002-07-16 | 2005-09-14 | 皇家飞利浦电子股份有限公司 | 音频编码 |
CN100481735C (zh) * | 2002-08-21 | 2009-04-22 | 广州广晟数码技术有限公司 | 用于从编码后的音频数据流中解码重建多声道音频信号的解码方法 |
CN1783726B (zh) * | 2002-08-21 | 2010-05-12 | 广州广晟数码技术有限公司 | 用于从音频数据码流中解码重建多声道音频信号的解码器 |
EP1394772A1 (en) * | 2002-08-28 | 2004-03-03 | Deutsche Thomson-Brandt Gmbh | Signaling of window switchings in a MPEG layer 3 audio data stream |
US7502743B2 (en) * | 2002-09-04 | 2009-03-10 | Microsoft Corporation | Multi-channel audio encoding and decoding with multi-channel transform selection |
US7299190B2 (en) * | 2002-09-04 | 2007-11-20 | Microsoft Corporation | Quantization and inverse quantization for audio |
JP4676140B2 (ja) * | 2002-09-04 | 2011-04-27 | マイクロソフト コーポレーション | オーディオの量子化および逆量子化 |
ES2388942T3 (es) | 2002-09-04 | 2012-10-19 | Microsoft Corporation | Codificación entrópica adaptando la codifidación entre modos de nivel y de longitud de serie/nivel |
TW573293B (en) * | 2002-09-13 | 2004-01-21 | Univ Nat Central | Nonlinear operation method suitable for audio encoding/decoding and an applied hardware thereof |
SE0202770D0 (sv) * | 2002-09-18 | 2002-09-18 | Coding Technologies Sweden Ab | Method for reduction of aliasing introduces by spectral envelope adjustment in real-valued filterbanks |
FR2846179B1 (fr) | 2002-10-21 | 2005-02-04 | Medialive | Embrouillage adaptatif et progressif de flux audio |
US6707397B1 (en) | 2002-10-24 | 2004-03-16 | Apple Computer, Inc. | Methods and apparatus for variable length codeword concatenation |
US6781529B1 (en) | 2002-10-24 | 2004-08-24 | Apple Computer, Inc. | Methods and apparatuses for variable length encoding |
US6781528B1 (en) | 2002-10-24 | 2004-08-24 | Apple Computer, Inc. | Vector handling capable processor and run length encoding |
US6707398B1 (en) | 2002-10-24 | 2004-03-16 | Apple Computer, Inc. | Methods and apparatuses for packing bitstreams |
US7650625B2 (en) * | 2002-12-16 | 2010-01-19 | Lsi Corporation | System and method for controlling audio and video content via an advanced settop box |
US7555017B2 (en) * | 2002-12-17 | 2009-06-30 | Tls Corporation | Low latency digital audio over packet switched networks |
US7272566B2 (en) * | 2003-01-02 | 2007-09-18 | Dolby Laboratories Licensing Corporation | Reducing scale factor transmission cost for MPEG-2 advanced audio coding (AAC) using a lattice based post processing technique |
KR100547113B1 (ko) * | 2003-02-15 | 2006-01-26 | 삼성전자주식회사 | 오디오 데이터 인코딩 장치 및 방법 |
TW594674B (en) * | 2003-03-14 | 2004-06-21 | Mediatek Inc | Encoder and a encoding method capable of detecting audio signal transient |
CN100339886C (zh) * | 2003-04-10 | 2007-09-26 | 联发科技股份有限公司 | 可以检测声音信号的暂态位置的编码器及编码方法 |
FR2853786B1 (fr) * | 2003-04-11 | 2005-08-05 | Medialive | Procede et equipement de distribution de produits videos numeriques avec une restriction de certains au moins des droits de representation et de reproduction |
US8311809B2 (en) * | 2003-04-17 | 2012-11-13 | Koninklijke Philips Electronics N.V. | Converting decoded sub-band signal into a stereo signal |
BRPI0409327B1 (pt) * | 2003-04-17 | 2018-02-14 | Koninklijke Philips N.V. | Dispositivo para gerar um sinal de áudio de saída com base em um sinal de aúdio de entrada, método para prover um sinal de áudio de saída com base em um sinal de áudio de entrada e aparelho para fornecer um sinal de áudio de saída |
US8073684B2 (en) * | 2003-04-25 | 2011-12-06 | Texas Instruments Incorporated | Apparatus and method for automatic classification/identification of similar compressed audio files |
CN100546233C (zh) * | 2003-04-30 | 2009-09-30 | 诺基亚公司 | 用于支持多声道音频扩展的方法和设备 |
SE0301273D0 (sv) * | 2003-04-30 | 2003-04-30 | Coding Technologies Sweden Ab | Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods |
US7739105B2 (en) * | 2003-06-13 | 2010-06-15 | Vixs Systems, Inc. | System and method for processing audio frames |
CN100493199C (zh) * | 2003-06-16 | 2009-05-27 | 松下电器产业株式会社 | 编码装置、编码方法和码本 |
KR100556365B1 (ko) * | 2003-07-07 | 2006-03-03 | 엘지전자 주식회사 | 음성 인식장치 및 방법 |
CA2475189C (en) * | 2003-07-17 | 2009-10-06 | At&T Corp. | Method and apparatus for window matching in delta compressors |
US7289680B1 (en) * | 2003-07-23 | 2007-10-30 | Cisco Technology, Inc. | Methods and apparatus for minimizing requantization error |
TWI220336B (en) * | 2003-07-28 | 2004-08-11 | Design Technology Inc G | Compression rate promotion method of adaptive differential PCM technique |
WO2005020210A2 (en) * | 2003-08-26 | 2005-03-03 | Sarnoff Corporation | Method and apparatus for adaptive variable bit rate audio encoding |
US7724827B2 (en) * | 2003-09-07 | 2010-05-25 | Microsoft Corporation | Multi-layer run level encoding and decoding |
SG120118A1 (en) * | 2003-09-15 | 2006-03-28 | St Microelectronics Asia | A device and process for encoding audio data |
US7983909B2 (en) * | 2003-09-15 | 2011-07-19 | Intel Corporation | Method and apparatus for encoding audio data |
US20050083808A1 (en) * | 2003-09-18 | 2005-04-21 | Anderson Hans C. | Audio player with CD mechanism |
US7426462B2 (en) * | 2003-09-29 | 2008-09-16 | Sony Corporation | Fast codebook selection method in audio encoding |
US7349842B2 (en) * | 2003-09-29 | 2008-03-25 | Sony Corporation | Rate-distortion control scheme in audio encoding |
US7283968B2 (en) | 2003-09-29 | 2007-10-16 | Sony Corporation | Method for grouping short windows in audio encoding |
US7325023B2 (en) * | 2003-09-29 | 2008-01-29 | Sony Corporation | Method of making a window type decision based on MDCT data in audio encoding |
JP4767687B2 (ja) * | 2003-10-07 | 2011-09-07 | パナソニック株式会社 | スペクトル包絡線符号化のための時間境界及び周波数分解能の決定方法 |
TWI226035B (en) * | 2003-10-16 | 2005-01-01 | Elan Microelectronics Corp | Method and system improving step adaptation of ADPCM voice coding |
RU2374703C2 (ru) * | 2003-10-30 | 2009-11-27 | Конинклейке Филипс Электроникс Н.В. | Кодирование или декодирование аудиосигнала |
KR20050050322A (ko) * | 2003-11-25 | 2005-05-31 | 삼성전자주식회사 | 직교주파수다중화방식의 이동통신시스템에서 적응변조 방법 |
KR100571824B1 (ko) * | 2003-11-26 | 2006-04-17 | 삼성전자주식회사 | 부가정보 삽입된 mpeg-4 오디오 bsac부호화/복호화 방법 및 장치 |
FR2867649A1 (fr) * | 2003-12-10 | 2005-09-16 | France Telecom | Procede de codage multiple optimise |
US20070118362A1 (en) * | 2003-12-15 | 2007-05-24 | Hiroaki Kondo | Audio compression/decompression device |
US7725324B2 (en) * | 2003-12-19 | 2010-05-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Constrained filter encoding of polyphonic signals |
SE527670C2 (sv) * | 2003-12-19 | 2006-05-09 | Ericsson Telefon Ab L M | Naturtrogenhetsoptimerad kodning med variabel ramlängd |
US7809579B2 (en) * | 2003-12-19 | 2010-10-05 | Telefonaktiebolaget Lm Ericsson (Publ) | Fidelity-optimized variable frame length encoding |
US7460990B2 (en) | 2004-01-23 | 2008-12-02 | Microsoft Corporation | Efficient coding of digital media spectral data using wide-sense perceptual similarity |
JP2005217486A (ja) * | 2004-01-27 | 2005-08-11 | Matsushita Electric Ind Co Ltd | ストリーム復号装置 |
WO2005086139A1 (en) | 2004-03-01 | 2005-09-15 | Dolby Laboratories Licensing Corporation | Multichannel audio coding |
DE102004009949B4 (de) * | 2004-03-01 | 2006-03-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Ermitteln eines Schätzwertes |
US20090299756A1 (en) * | 2004-03-01 | 2009-12-03 | Dolby Laboratories Licensing Corporation | Ratio of speech to non-speech audio such as for elderly or hearing-impaired listeners |
US7805313B2 (en) * | 2004-03-04 | 2010-09-28 | Agere Systems Inc. | Frequency-based coding of channels in parametric multi-channel coding systems |
US7272567B2 (en) * | 2004-03-25 | 2007-09-18 | Zoran Fejzo | Scalable lossless audio codec and authoring tool |
TWI231656B (en) * | 2004-04-08 | 2005-04-21 | Univ Nat Chiao Tung | Fast bit allocation algorithm for audio coding |
US8032360B2 (en) * | 2004-05-13 | 2011-10-04 | Broadcom Corporation | System and method for high-quality variable speed playback of audio-visual media |
US7512536B2 (en) * | 2004-05-14 | 2009-03-31 | Texas Instruments Incorporated | Efficient filter bank computation for audio coding |
WO2005117253A1 (en) * | 2004-05-28 | 2005-12-08 | Tc Electronic A/S | Pulse width modulator system |
DE602004024773D1 (de) * | 2004-06-10 | 2010-02-04 | Panasonic Corp | System und Verfahren für Laufzeit-Rekonfiguration |
WO2005124722A2 (en) * | 2004-06-12 | 2005-12-29 | Spl Development, Inc. | Aural rehabilitation system and method |
KR100634506B1 (ko) * | 2004-06-25 | 2006-10-16 | 삼성전자주식회사 | 저비트율 부호화/복호화 방법 및 장치 |
KR100909541B1 (ko) * | 2004-06-27 | 2009-07-27 | 애플 인크. | 멀티-패스 비디오 인코딩 방법 |
US20050285935A1 (en) * | 2004-06-29 | 2005-12-29 | Octiv, Inc. | Personal conferencing node |
US20050286443A1 (en) * | 2004-06-29 | 2005-12-29 | Octiv, Inc. | Conferencing system |
US8843378B2 (en) * | 2004-06-30 | 2014-09-23 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Multi-channel synthesizer and method for generating a multi-channel output signal |
KR100773539B1 (ko) * | 2004-07-14 | 2007-11-05 | 삼성전자주식회사 | 멀티채널 오디오 데이터 부호화/복호화 방법 및 장치 |
US20060015329A1 (en) * | 2004-07-19 | 2006-01-19 | Chu Wai C | Apparatus and method for audio coding |
US7391434B2 (en) * | 2004-07-27 | 2008-06-24 | The Directv Group, Inc. | Video bit stream test |
US7706415B2 (en) | 2004-07-29 | 2010-04-27 | Microsoft Corporation | Packet multiplexing multi-channel audio |
US7508947B2 (en) * | 2004-08-03 | 2009-03-24 | Dolby Laboratories Licensing Corporation | Method for combining audio signals using auditory scene analysis |
US7930184B2 (en) * | 2004-08-04 | 2011-04-19 | Dts, Inc. | Multi-channel audio coding/decoding of random access points and transients |
KR100608062B1 (ko) * | 2004-08-04 | 2006-08-02 | 삼성전자주식회사 | 오디오 데이터의 고주파수 복원 방법 및 그 장치 |
JP4794448B2 (ja) * | 2004-08-27 | 2011-10-19 | パナソニック株式会社 | オーディオエンコーダ |
WO2006024977A1 (en) * | 2004-08-31 | 2006-03-09 | Koninklijke Philips Electronics N.V. | Method and device for transcoding |
US7725313B2 (en) * | 2004-09-13 | 2010-05-25 | Ittiam Systems (P) Ltd. | Method, system and apparatus for allocating bits in perceptual audio coders |
JP4809234B2 (ja) * | 2004-09-17 | 2011-11-09 | パナソニック株式会社 | オーディオ符号化装置、復号化装置、方法、及びプログラム |
CN101247129B (zh) * | 2004-09-17 | 2012-05-23 | 广州广晟数码技术有限公司 | 用于音频信号编码的码书分配方法 |
US7630902B2 (en) * | 2004-09-17 | 2009-12-08 | Digital Rise Technology Co., Ltd. | Apparatus and methods for digital audio coding using codebook application ranges |
US7937271B2 (en) * | 2004-09-17 | 2011-05-03 | Digital Rise Technology Co., Ltd. | Audio decoding using variable-length codebook application ranges |
US7895034B2 (en) | 2004-09-17 | 2011-02-22 | Digital Rise Technology Co., Ltd. | Audio encoding system |
BRPI0516201A (pt) * | 2004-09-28 | 2008-08-26 | Matsushita Electric Ind Co Ltd | aparelho de codificação escalonável e método de codificação escalonável |
JP4892184B2 (ja) * | 2004-10-14 | 2012-03-07 | パナソニック株式会社 | 音響信号符号化装置及び音響信号復号装置 |
US7061405B2 (en) * | 2004-10-15 | 2006-06-13 | Yazaki North America, Inc. | Device and method for interfacing video devices over a fiber optic link |
US7720230B2 (en) * | 2004-10-20 | 2010-05-18 | Agere Systems, Inc. | Individual channel shaping for BCC schemes and the like |
US8204261B2 (en) * | 2004-10-20 | 2012-06-19 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Diffuse sound shaping for BCC schemes and the like |
JP4815780B2 (ja) * | 2004-10-20 | 2011-11-16 | ヤマハ株式会社 | オーバーサンプリングシステム、デコードlsi、およびオーバーサンプリング方法 |
SE0402652D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Methods for improved performance of prediction based multi- channel reconstruction |
SE0402651D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Advanced methods for interpolation and parameter signalling |
US7787631B2 (en) * | 2004-11-30 | 2010-08-31 | Agere Systems Inc. | Parametric coding of spatial audio with cues based on transmitted channels |
JP5017121B2 (ja) | 2004-11-30 | 2012-09-05 | アギア システムズ インコーポレーテッド | 外部的に供給されるダウンミックスとの空間オーディオのパラメトリック・コーディングの同期化 |
KR101215868B1 (ko) * | 2004-11-30 | 2012-12-31 | 에이저 시스템즈 엘엘시 | 오디오 채널들을 인코딩 및 디코딩하는 방법, 및 오디오 채널들을 인코딩 및 디코딩하는 장치 |
JPWO2006067988A1 (ja) * | 2004-12-22 | 2008-06-12 | 松下電器産業株式会社 | Mpegオーディオデコード方法 |
US7903824B2 (en) * | 2005-01-10 | 2011-03-08 | Agere Systems Inc. | Compact side information for parametric coding of spatial audio |
WO2006075079A1 (fr) * | 2005-01-14 | 2006-07-20 | France Telecom | Procede d’encodage de pistes audio d’un contenu multimedia destine a une diffusion sur terminaux mobiles |
US7208372B2 (en) * | 2005-01-19 | 2007-04-24 | Sharp Laboratories Of America, Inc. | Non-volatile memory resistor cell with nanotip electrode |
KR100707177B1 (ko) * | 2005-01-19 | 2007-04-13 | 삼성전자주식회사 | 디지털 신호 부호화/복호화 방법 및 장치 |
KR100765747B1 (ko) * | 2005-01-22 | 2007-10-15 | 삼성전자주식회사 | 트리 구조 벡터 양자화를 이용한 스케일러블 음성 부호화장치 |
WO2006079350A1 (en) * | 2005-01-31 | 2006-08-03 | Sonorit Aps | Method for concatenating frames in communication system |
US7672742B2 (en) * | 2005-02-16 | 2010-03-02 | Adaptec, Inc. | Method and system for reducing audio latency |
US9626973B2 (en) * | 2005-02-23 | 2017-04-18 | Telefonaktiebolaget L M Ericsson (Publ) | Adaptive bit allocation for multi-channel audio encoding |
EP1851866B1 (en) * | 2005-02-23 | 2011-08-17 | Telefonaktiebolaget LM Ericsson (publ) | Adaptive bit allocation for multi-channel audio encoding |
DE102005010057A1 (de) * | 2005-03-04 | 2006-09-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Erzeugen eines codierten Stereo-Signals eines Audiostücks oder Audiodatenstroms |
EP1905002B1 (en) | 2005-05-26 | 2013-05-22 | LG Electronics Inc. | Method and apparatus for decoding audio signal |
WO2006126856A2 (en) * | 2005-05-26 | 2006-11-30 | Lg Electronics Inc. | Method of encoding and decoding an audio signal |
JP4988717B2 (ja) | 2005-05-26 | 2012-08-01 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号のデコーディング方法及び装置 |
CN101185117B (zh) * | 2005-05-26 | 2012-09-26 | Lg电子株式会社 | 解码音频信号的方法和装置 |
US7548853B2 (en) * | 2005-06-17 | 2009-06-16 | Shmunk Dmitry V | Scalable compressed audio bit stream and codec using a hierarchical filterbank and multichannel joint coding |
KR100718132B1 (ko) * | 2005-06-24 | 2007-05-14 | 삼성전자주식회사 | 오디오 신호의 비트스트림 생성 방법 및 장치, 그를 이용한부호화/복호화 방법 및 장치 |
JP5006315B2 (ja) | 2005-06-30 | 2012-08-22 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号のエンコーディング及びデコーディング方法及び装置 |
JP2009500656A (ja) * | 2005-06-30 | 2009-01-08 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号をエンコーディング及びデコーディングするための装置とその方法 |
EP1946294A2 (en) * | 2005-06-30 | 2008-07-23 | LG Electronics Inc. | Apparatus for encoding and decoding audio signal and method thereof |
US8121836B2 (en) | 2005-07-11 | 2012-02-21 | Lg Electronics Inc. | Apparatus and method of processing an audio signal |
US7693709B2 (en) * | 2005-07-15 | 2010-04-06 | Microsoft Corporation | Reordering coefficients for waveform coding or decoding |
KR100851970B1 (ko) * | 2005-07-15 | 2008-08-12 | 삼성전자주식회사 | 오디오 신호의 중요주파수 성분 추출방법 및 장치와 이를이용한 저비트율 오디오 신호 부호화/복호화 방법 및 장치 |
US7630882B2 (en) * | 2005-07-15 | 2009-12-08 | Microsoft Corporation | Frequency segmentation to obtain bands for efficient coding of digital media |
US7562021B2 (en) * | 2005-07-15 | 2009-07-14 | Microsoft Corporation | Modification of codewords in dictionary used for efficient coding of digital media spectral data |
US8225392B2 (en) * | 2005-07-15 | 2012-07-17 | Microsoft Corporation | Immunizing HTML browsers and extensions from known vulnerabilities |
US7599840B2 (en) | 2005-07-15 | 2009-10-06 | Microsoft Corporation | Selectively using multiple entropy models in adaptive coding and decoding |
US7539612B2 (en) | 2005-07-15 | 2009-05-26 | Microsoft Corporation | Coding and decoding scale factor information |
US7684981B2 (en) * | 2005-07-15 | 2010-03-23 | Microsoft Corporation | Prediction of spectral coefficients in waveform coding and decoding |
CN1909066B (zh) * | 2005-08-03 | 2011-02-09 | 昆山杰得微电子有限公司 | 音频编码码量控制和调整的方法 |
US20070030986A1 (en) * | 2005-08-04 | 2007-02-08 | Mcarthur Kelly M | System and methods for aligning capture and playback clocks in a wireless digital audio distribution system |
US7565018B2 (en) | 2005-08-12 | 2009-07-21 | Microsoft Corporation | Adaptive coding and decoding of wide-range coefficients |
US7933337B2 (en) | 2005-08-12 | 2011-04-26 | Microsoft Corporation | Prediction of transform coefficients for image compression |
US8577483B2 (en) * | 2005-08-30 | 2013-11-05 | Lg Electronics, Inc. | Method for decoding an audio signal |
US7788107B2 (en) * | 2005-08-30 | 2010-08-31 | Lg Electronics Inc. | Method for decoding an audio signal |
KR100880642B1 (ko) * | 2005-08-30 | 2009-01-30 | 엘지전자 주식회사 | 오디오 신호의 디코딩 방법 및 장치 |
KR20070025905A (ko) * | 2005-08-30 | 2007-03-08 | 엘지전자 주식회사 | 멀티채널 오디오 코딩에서 효과적인 샘플링 주파수비트스트림 구성방법 |
BRPI0615114A2 (pt) * | 2005-08-30 | 2011-05-03 | Lg Electronics Inc | aparelho e método para codificar e decodificar sinal de áudio |
JP5478826B2 (ja) * | 2005-10-03 | 2014-04-23 | シャープ株式会社 | 表示装置 |
KR100857120B1 (ko) | 2005-10-05 | 2008-09-05 | 엘지전자 주식회사 | 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치 |
US7696907B2 (en) * | 2005-10-05 | 2010-04-13 | Lg Electronics Inc. | Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor |
US7646319B2 (en) * | 2005-10-05 | 2010-01-12 | Lg Electronics Inc. | Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor |
US8068569B2 (en) * | 2005-10-05 | 2011-11-29 | Lg Electronics, Inc. | Method and apparatus for signal processing and encoding and decoding |
WO2007040355A1 (en) * | 2005-10-05 | 2007-04-12 | Lg Electronics Inc. | Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor |
US7751485B2 (en) * | 2005-10-05 | 2010-07-06 | Lg Electronics Inc. | Signal processing using pilot based coding |
US7672379B2 (en) * | 2005-10-05 | 2010-03-02 | Lg Electronics Inc. | Audio signal processing, encoding, and decoding |
DE102005048581B4 (de) * | 2005-10-06 | 2022-06-09 | Robert Bosch Gmbh | Teilnehmerschnittstelle zwischen einem FlexRay-Kommunikationsbaustein und einem FlexRay-Teilnehmer und Verfahren zur Übertragung von Botschaften über eine solche Schnittstelle |
CN101288117B (zh) * | 2005-10-12 | 2014-07-16 | 三星电子株式会社 | 对音频数据和扩展数据进行编码/解码的方法和设备 |
BRPI0617447A2 (pt) * | 2005-10-14 | 2012-04-17 | Matsushita Electric Ind Co Ltd | codificador de transformada e método de codificação de transformada |
US20070094035A1 (en) * | 2005-10-21 | 2007-04-26 | Nokia Corporation | Audio coding |
US7840401B2 (en) | 2005-10-24 | 2010-11-23 | Lg Electronics Inc. | Removing time delays in signal paths |
TWI307037B (en) * | 2005-10-31 | 2009-03-01 | Holtek Semiconductor Inc | Audio calculation method |
WO2007063625A1 (ja) * | 2005-12-02 | 2007-06-07 | Matsushita Electric Industrial Co., Ltd. | 信号処理装置および信号処理方法 |
US8345890B2 (en) | 2006-01-05 | 2013-01-01 | Audience, Inc. | System and method for utilizing inter-microphone level differences for speech enhancement |
US8332216B2 (en) * | 2006-01-12 | 2012-12-11 | Stmicroelectronics Asia Pacific Pte., Ltd. | System and method for low power stereo perceptual audio coding using adaptive masking threshold |
US8208641B2 (en) | 2006-01-19 | 2012-06-26 | Lg Electronics Inc. | Method and apparatus for processing a media signal |
US8190425B2 (en) * | 2006-01-20 | 2012-05-29 | Microsoft Corporation | Complex cross-correlation parameters for multi-channel audio |
US7831434B2 (en) | 2006-01-20 | 2010-11-09 | Microsoft Corporation | Complex-transform channel coding with extended-band frequency coding |
US7953604B2 (en) * | 2006-01-20 | 2011-05-31 | Microsoft Corporation | Shape and scale parameters for extended-band frequency coding |
US8204252B1 (en) | 2006-10-10 | 2012-06-19 | Audience, Inc. | System and method for providing close microphone adaptive array processing |
US8194880B2 (en) | 2006-01-30 | 2012-06-05 | Audience, Inc. | System and method for utilizing omni-directional microphones for speech enhancement |
US9185487B2 (en) * | 2006-01-30 | 2015-11-10 | Audience, Inc. | System and method for providing noise suppression utilizing null processing noise subtraction |
US8744844B2 (en) * | 2007-07-06 | 2014-06-03 | Audience, Inc. | System and method for adaptive intelligent noise suppression |
KR100863479B1 (ko) | 2006-02-07 | 2008-10-16 | 엘지전자 주식회사 | 부호화/복호화 장치 및 방법 |
JP2007249075A (ja) * | 2006-03-17 | 2007-09-27 | Toshiba Corp | 音声再生装置および高域補間処理方法 |
JP4193865B2 (ja) * | 2006-04-27 | 2008-12-10 | ソニー株式会社 | デジタル信号切換え装置及びその切換え方法 |
EP1853092B1 (en) * | 2006-05-04 | 2011-10-05 | LG Electronics, Inc. | Enhancing stereo audio with remix capability |
DE102006022346B4 (de) | 2006-05-12 | 2008-02-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Informationssignalcodierung |
US8204253B1 (en) | 2008-06-30 | 2012-06-19 | Audience, Inc. | Self calibration of audio device |
US8934641B2 (en) | 2006-05-25 | 2015-01-13 | Audience, Inc. | Systems and methods for reconstructing decomposed audio signals |
US8150065B2 (en) * | 2006-05-25 | 2012-04-03 | Audience, Inc. | System and method for processing an audio signal |
US8849231B1 (en) | 2007-08-08 | 2014-09-30 | Audience, Inc. | System and method for adaptive power control |
US8949120B1 (en) | 2006-05-25 | 2015-02-03 | Audience, Inc. | Adaptive noise cancelation |
US8326609B2 (en) * | 2006-06-29 | 2012-12-04 | Lg Electronics Inc. | Method and apparatus for an audio signal processing |
US8682652B2 (en) | 2006-06-30 | 2014-03-25 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic |
WO2008004649A1 (en) * | 2006-07-07 | 2008-01-10 | Nec Corporation | Audio encoding device, audio encoding method, and program thereof |
US7797155B2 (en) * | 2006-07-26 | 2010-09-14 | Ittiam Systems (P) Ltd. | System and method for measurement of perceivable quantization noise in perceptual audio coders |
US7907579B2 (en) * | 2006-08-15 | 2011-03-15 | Cisco Technology, Inc. | WiFi geolocation from carrier-managed system geolocation of a dual mode device |
CN100531398C (zh) * | 2006-08-23 | 2009-08-19 | 中兴通讯股份有限公司 | 一种移动多媒体广播***的多音轨实现方法 |
US7882462B2 (en) * | 2006-09-11 | 2011-02-01 | The Mathworks, Inc. | Hardware definition language generation for frame-based processing |
US7461106B2 (en) * | 2006-09-12 | 2008-12-02 | Motorola, Inc. | Apparatus and method for low complexity combinatorial coding of signals |
JP4823001B2 (ja) * | 2006-09-27 | 2011-11-24 | 富士通セミコンダクター株式会社 | オーディオ符号化装置 |
US20100040135A1 (en) * | 2006-09-29 | 2010-02-18 | Lg Electronics Inc. | Apparatus for processing mix signal and method thereof |
EP2084901B1 (en) | 2006-10-12 | 2015-12-09 | LG Electronics Inc. | Apparatus for processing a mix signal and method thereof |
PT2299734E (pt) * | 2006-10-13 | 2013-02-20 | Auro Technologies | Um método e um codificador para combinação de conjuntos de dados digitais, um método de descodificação e um descodificador para esses conjuntos combinados de dados digitais, e um suporte de gravação para armazenamento desse conjunto combinado de dados digitais |
DE602006015328D1 (de) * | 2006-11-03 | 2010-08-19 | Psytechnics Ltd | Abtastfehlerkompensation |
US7616568B2 (en) * | 2006-11-06 | 2009-11-10 | Ixia | Generic packet generation |
JP4838361B2 (ja) * | 2006-11-15 | 2011-12-14 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号のデコーディング方法及びその装置 |
JP5103880B2 (ja) * | 2006-11-24 | 2012-12-19 | 富士通株式会社 | 復号化装置および復号化方法 |
KR101111520B1 (ko) * | 2006-12-07 | 2012-05-24 | 엘지전자 주식회사 | 오디오 처리 방법 및 장치 |
JP5463143B2 (ja) | 2006-12-07 | 2014-04-09 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号のデコーディング方法及びその装置 |
US7508326B2 (en) * | 2006-12-21 | 2009-03-24 | Sigmatel, Inc. | Automatically disabling input/output signal processing based on the required multimedia format |
US8255226B2 (en) * | 2006-12-22 | 2012-08-28 | Broadcom Corporation | Efficient background audio encoding in a real time system |
FR2911031B1 (fr) * | 2006-12-28 | 2009-04-10 | Actimagine Soc Par Actions Sim | Procede et dispositif de codage audio |
FR2911020B1 (fr) * | 2006-12-28 | 2009-05-01 | Actimagine Soc Par Actions Sim | Procede et dispositif de codage audio |
US8634577B2 (en) * | 2007-01-10 | 2014-01-21 | Koninklijke Philips N.V. | Audio decoder |
US8275611B2 (en) * | 2007-01-18 | 2012-09-25 | Stmicroelectronics Asia Pacific Pte., Ltd. | Adaptive noise suppression for digital speech signals |
JP2010518452A (ja) * | 2007-02-13 | 2010-05-27 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号の処理方法及び装置 |
US20100121470A1 (en) * | 2007-02-13 | 2010-05-13 | Lg Electronics Inc. | Method and an apparatus for processing an audio signal |
JP5232795B2 (ja) * | 2007-02-14 | 2013-07-10 | エルジー エレクトロニクス インコーポレイティド | オブジェクトベースのオーディオ信号の符号化及び復号化方法並びにその装置 |
US8184710B2 (en) | 2007-02-21 | 2012-05-22 | Microsoft Corporation | Adaptive truncation of transform coefficient data in a transform-based digital media codec |
US8259926B1 (en) | 2007-02-23 | 2012-09-04 | Audience, Inc. | System and method for 2-channel and 3-channel acoustic echo cancellation |
KR101149449B1 (ko) * | 2007-03-20 | 2012-05-25 | 삼성전자주식회사 | 오디오 신호의 인코딩 방법 및 장치, 그리고 오디오 신호의디코딩 방법 및 장치 |
CN101272209B (zh) * | 2007-03-21 | 2012-04-25 | 大唐移动通信设备有限公司 | 一种对多通道复用数据进行滤波的方法及设备 |
US9466307B1 (en) * | 2007-05-22 | 2016-10-11 | Digimarc Corporation | Robust spectral encoding and decoding methods |
WO2009004227A1 (fr) * | 2007-06-15 | 2009-01-08 | France Telecom | Codage de signaux audionumériques |
US7761290B2 (en) | 2007-06-15 | 2010-07-20 | Microsoft Corporation | Flexible frequency and time partitioning in perceptual transform coding of audio |
US8046214B2 (en) | 2007-06-22 | 2011-10-25 | Microsoft Corporation | Low complexity decoder for complex transform coding of multi-channel sound |
US7944847B2 (en) * | 2007-06-25 | 2011-05-17 | Efj, Inc. | Voting comparator method, apparatus, and system using a limited number of digital signal processor modules to process a larger number of analog audio streams without affecting the quality of the voted audio stream |
US7885819B2 (en) | 2007-06-29 | 2011-02-08 | Microsoft Corporation | Bitstream syntax for multi-process audio decoding |
US8189766B1 (en) | 2007-07-26 | 2012-05-29 | Audience, Inc. | System and method for blind subband acoustic echo cancellation postfiltering |
US8285554B2 (en) * | 2007-07-27 | 2012-10-09 | Dsp Group Limited | Method and system for dynamic aliasing suppression |
KR101403340B1 (ko) * | 2007-08-02 | 2014-06-09 | 삼성전자주식회사 | 변환 부호화 방법 및 장치 |
US8521540B2 (en) * | 2007-08-17 | 2013-08-27 | Qualcomm Incorporated | Encoding and/or decoding digital signals using a permutation value |
US8576096B2 (en) * | 2007-10-11 | 2013-11-05 | Motorola Mobility Llc | Apparatus and method for low complexity combinatorial coding of signals |
US8209190B2 (en) * | 2007-10-25 | 2012-06-26 | Motorola Mobility, Inc. | Method and apparatus for generating an enhancement layer within an audio coding system |
US8249883B2 (en) | 2007-10-26 | 2012-08-21 | Microsoft Corporation | Channel extension coding for multi-channel source |
US8199927B1 (en) | 2007-10-31 | 2012-06-12 | ClearOnce Communications, Inc. | Conferencing system implementing echo cancellation and push-to-talk microphone detection using two-stage frequency filter |
GB2454208A (en) | 2007-10-31 | 2009-05-06 | Cambridge Silicon Radio Ltd | Compression using a perceptual model and a signal-to-mask ratio (SMR) parameter tuned based on target bitrate and previously encoded data |
WO2009072685A1 (en) * | 2007-12-06 | 2009-06-11 | Lg Electronics Inc. | A method and an apparatus for processing an audio signal |
KR20100086000A (ko) * | 2007-12-18 | 2010-07-29 | 엘지전자 주식회사 | 오디오 신호 처리 방법 및 장치 |
US8239210B2 (en) * | 2007-12-19 | 2012-08-07 | Dts, Inc. | Lossless multi-channel audio codec |
US20090164223A1 (en) * | 2007-12-19 | 2009-06-25 | Dts, Inc. | Lossless multi-channel audio codec |
US8143620B1 (en) | 2007-12-21 | 2012-03-27 | Audience, Inc. | System and method for adaptive classification of audio sources |
US8180064B1 (en) | 2007-12-21 | 2012-05-15 | Audience, Inc. | System and method for providing voice equalization |
JP5153791B2 (ja) * | 2007-12-28 | 2013-02-27 | パナソニック株式会社 | ステレオ音声復号装置、ステレオ音声符号化装置、および消失フレーム補償方法 |
WO2009096898A1 (en) * | 2008-01-31 | 2009-08-06 | Agency For Science, Technology And Research | Method and device of bitrate distribution/truncation for scalable audio coding |
KR101441898B1 (ko) * | 2008-02-01 | 2014-09-23 | 삼성전자주식회사 | 주파수 부호화 방법 및 장치와 주파수 복호화 방법 및 장치 |
US20090210222A1 (en) * | 2008-02-15 | 2009-08-20 | Microsoft Corporation | Multi-Channel Hole-Filling For Audio Compression |
US8194882B2 (en) | 2008-02-29 | 2012-06-05 | Audience, Inc. | System and method for providing single microphone noise suppression fallback |
US20090234642A1 (en) * | 2008-03-13 | 2009-09-17 | Motorola, Inc. | Method and Apparatus for Low Complexity Combinatorial Coding of Signals |
US8355511B2 (en) | 2008-03-18 | 2013-01-15 | Audience, Inc. | System and method for envelope-based acoustic echo cancellation |
US8639519B2 (en) * | 2008-04-09 | 2014-01-28 | Motorola Mobility Llc | Method and apparatus for selective signal coding based on core encoder performance |
KR101599875B1 (ko) * | 2008-04-17 | 2016-03-14 | 삼성전자주식회사 | 멀티미디어의 컨텐트 특성에 기반한 멀티미디어 부호화 방법 및 장치, 멀티미디어의 컨텐트 특성에 기반한 멀티미디어 복호화 방법 및 장치 |
KR20090110242A (ko) * | 2008-04-17 | 2009-10-21 | 삼성전자주식회사 | 오디오 신호를 처리하는 방법 및 장치 |
KR20090110244A (ko) * | 2008-04-17 | 2009-10-21 | 삼성전자주식회사 | 오디오 시맨틱 정보를 이용한 오디오 신호의 부호화/복호화 방법 및 그 장치 |
RU2541183C2 (ru) * | 2008-04-18 | 2015-02-10 | Долби Лэборетериз Лайсенсинг Корпорейшн | Способ и устройство для поддержки воспринимаемости речи в многоканальном звуковом сопровождении с минимальным влиянием на систему объемного звучания |
US8179974B2 (en) | 2008-05-02 | 2012-05-15 | Microsoft Corporation | Multi-level representation of reordered transform coefficients |
US8630848B2 (en) | 2008-05-30 | 2014-01-14 | Digital Rise Technology Co., Ltd. | Audio signal transient detection |
CN101605017A (zh) * | 2008-06-12 | 2009-12-16 | 华为技术有限公司 | 编码比特的分配方法和装置 |
US8909361B2 (en) * | 2008-06-19 | 2014-12-09 | Broadcom Corporation | Method and system for processing high quality audio in a hardware audio codec for audio transmission |
WO2010004155A1 (fr) * | 2008-06-26 | 2010-01-14 | France Telecom | Synthese spatiale de signaux audio multicanaux |
US8774423B1 (en) | 2008-06-30 | 2014-07-08 | Audience, Inc. | System and method for controlling adaptivity of signal modification using a phantom coefficient |
US8521530B1 (en) | 2008-06-30 | 2013-08-27 | Audience, Inc. | System and method for enhancing a monaural audio signal |
US8380523B2 (en) * | 2008-07-07 | 2013-02-19 | Lg Electronics Inc. | Method and an apparatus for processing an audio signal |
CN102089810B (zh) * | 2008-07-10 | 2013-05-08 | 沃伊斯亚吉公司 | 多基准线性预测系数滤波器量化和逆量化设备及方法 |
EP2144230A1 (en) | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low bitrate audio encoding/decoding scheme having cascaded switches |
TWI427619B (zh) * | 2008-07-21 | 2014-02-21 | Realtek Semiconductor Corp | 音效混波裝置與方法 |
US8406307B2 (en) | 2008-08-22 | 2013-03-26 | Microsoft Corporation | Entropy coding/decoding of hierarchically organized data |
TWI520128B (zh) * | 2008-10-08 | 2016-02-01 | 弗勞恩霍夫爾協會 | 多解析度切換音訊編碼/解碼方案(一) |
US9667365B2 (en) | 2008-10-24 | 2017-05-30 | The Nielsen Company (Us), Llc | Methods and apparatus to perform audio watermarking and watermark detection and extraction |
US8359205B2 (en) | 2008-10-24 | 2013-01-22 | The Nielsen Company (Us), Llc | Methods and apparatus to perform audio watermarking and watermark detection and extraction |
US8121830B2 (en) * | 2008-10-24 | 2012-02-21 | The Nielsen Company (Us), Llc | Methods and apparatus to extract data encoded in media content |
GB0822537D0 (en) | 2008-12-10 | 2009-01-14 | Skype Ltd | Regeneration of wideband speech |
GB2466201B (en) * | 2008-12-10 | 2012-07-11 | Skype Ltd | Regeneration of wideband speech |
US9947340B2 (en) | 2008-12-10 | 2018-04-17 | Skype | Regeneration of wideband speech |
AT509439B1 (de) * | 2008-12-19 | 2013-05-15 | Siemens Entpr Communications | Verfahren und mittel zur skalierbaren verbesserung der qualität eines signalcodierverfahrens |
US8219408B2 (en) * | 2008-12-29 | 2012-07-10 | Motorola Mobility, Inc. | Audio signal decoder and method for producing a scaled reconstructed audio signal |
US8140342B2 (en) * | 2008-12-29 | 2012-03-20 | Motorola Mobility, Inc. | Selective scaling mask computation based on peak detection |
US8175888B2 (en) | 2008-12-29 | 2012-05-08 | Motorola Mobility, Inc. | Enhanced layered gain factor balancing within a multiple-channel audio coding system |
US8200496B2 (en) * | 2008-12-29 | 2012-06-12 | Motorola Mobility, Inc. | Audio signal decoder and method for producing a scaled reconstructed audio signal |
CN102625982B (zh) | 2009-05-01 | 2015-03-18 | 尼尔森(美国)有限公司 | 提供与主要广播媒体内容关联的辅助内容的方法、装置和制品 |
WO2011021238A1 (ja) * | 2009-08-20 | 2011-02-24 | トムソン ライセンシング | レート制御装置、レート制御方法及びレート制御プログラム |
GB0915766D0 (en) * | 2009-09-09 | 2009-10-07 | Apt Licensing Ltd | Apparatus and method for multidimensional adaptive audio coding |
EP2323130A1 (en) * | 2009-11-12 | 2011-05-18 | Koninklijke Philips Electronics N.V. | Parametric encoding and decoding |
US9838784B2 (en) | 2009-12-02 | 2017-12-05 | Knowles Electronics, Llc | Directional audio capture |
US8694947B1 (en) | 2009-12-09 | 2014-04-08 | The Mathworks, Inc. | Resource sharing workflows within executable graphical models |
US8861742B2 (en) * | 2010-01-26 | 2014-10-14 | Yamaha Corporation | Masker sound generation apparatus and program |
US9008329B1 (en) | 2010-01-26 | 2015-04-14 | Audience, Inc. | Noise reduction using multi-feature cluster tracker |
US8718290B2 (en) | 2010-01-26 | 2014-05-06 | Audience, Inc. | Adaptive noise reduction using level cues |
DE102010006573B4 (de) * | 2010-02-02 | 2012-03-15 | Rohde & Schwarz Gmbh & Co. Kg | IQ-Datenkompression für Breitbandanwendungen |
EP2365630B1 (en) * | 2010-03-02 | 2016-06-08 | Harman Becker Automotive Systems GmbH | Efficient sub-band adaptive fir-filtering |
US8428936B2 (en) * | 2010-03-05 | 2013-04-23 | Motorola Mobility Llc | Decoder for audio signal including generic audio and speech frames |
US8423355B2 (en) * | 2010-03-05 | 2013-04-16 | Motorola Mobility Llc | Encoder for audio signal including generic audio and speech frames |
US8374858B2 (en) * | 2010-03-09 | 2013-02-12 | Dts, Inc. | Scalable lossless audio codec and authoring tool |
CN102222505B (zh) * | 2010-04-13 | 2012-12-19 | 中兴通讯股份有限公司 | 可分层音频编解码方法***及瞬态信号可分层编解码方法 |
JP5850216B2 (ja) * | 2010-04-13 | 2016-02-03 | ソニー株式会社 | 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム |
US9378754B1 (en) | 2010-04-28 | 2016-06-28 | Knowles Electronics, Llc | Adaptive spatial classifier for multi-microphone systems |
US20120029926A1 (en) | 2010-07-30 | 2012-02-02 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for dependent-mode coding of audio signals |
JP6075743B2 (ja) | 2010-08-03 | 2017-02-08 | ソニー株式会社 | 信号処理装置および方法、並びにプログラム |
US9208792B2 (en) | 2010-08-17 | 2015-12-08 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for noise injection |
IL298230B2 (en) | 2010-09-16 | 2023-11-01 | Dolby Int Ab | A method and system for harmonic, lumped, sub-channel transposition, and enhanced by a rhetorical multiplier |
EP2612321B1 (en) | 2010-09-28 | 2016-01-06 | Huawei Technologies Co., Ltd. | Device and method for postprocessing decoded multi-channel audio signal or decoded stereo signal |
EP2450880A1 (en) * | 2010-11-05 | 2012-05-09 | Thomson Licensing | Data structure for Higher Order Ambisonics audio data |
JP5609591B2 (ja) * | 2010-11-30 | 2014-10-22 | 富士通株式会社 | オーディオ符号化装置、オーディオ符号化方法及びオーディオ符号化用コンピュータプログラム |
US9436441B1 (en) | 2010-12-08 | 2016-09-06 | The Mathworks, Inc. | Systems and methods for hardware resource sharing |
US9009030B2 (en) * | 2011-01-05 | 2015-04-14 | Google Inc. | Method and system for facilitating text input |
ES2535609T3 (es) | 2011-02-14 | 2015-05-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codificador de audio con estimación de ruido de fondo durante fases activas |
KR101699898B1 (ko) * | 2011-02-14 | 2017-01-25 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 스펙트럼 영역에서 디코딩된 오디오 신호를 처리하기 위한 방법 및 장치 |
EP3154057B1 (en) * | 2011-04-05 | 2018-10-17 | Nippon Telegraph And Telephone Corporation | Acoustic signal decoding |
KR101859246B1 (ko) * | 2011-04-20 | 2018-05-17 | 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 | 허프만 부호화를 실행하기 위한 장치 및 방법 |
GB2490879B (en) | 2011-05-12 | 2018-12-26 | Qualcomm Technologies Int Ltd | Hybrid coded audio data streaming apparatus and method |
EP2707875A4 (en) | 2011-05-13 | 2015-03-25 | Samsung Electronics Co Ltd | NOISE REDUCTION AND AUDIO CODING |
DE102011106033A1 (de) * | 2011-06-30 | 2013-01-03 | Zte Corporation | Verfahren und System zur Audiocodierung und -decodierung und Verfahren zur Schätzung des Rauschpegels |
US9355000B1 (en) | 2011-08-23 | 2016-05-31 | The Mathworks, Inc. | Model level power consumption optimization in hardware description generation |
US8781023B2 (en) * | 2011-11-01 | 2014-07-15 | At&T Intellectual Property I, L.P. | Method and apparatus for improving transmission of data on a bandwidth expanded channel |
US8774308B2 (en) * | 2011-11-01 | 2014-07-08 | At&T Intellectual Property I, L.P. | Method and apparatus for improving transmission of data on a bandwidth mismatched channel |
FR2984579B1 (fr) * | 2011-12-14 | 2013-12-13 | Inst Polytechnique Grenoble | Procede de traitement numerique sur un ensemble de pistes audio avant mixage |
CN103534753B (zh) * | 2012-04-05 | 2015-05-27 | 华为技术有限公司 | 用于信道间差估计的方法和空间音频编码装置 |
JP5998603B2 (ja) * | 2012-04-18 | 2016-09-28 | ソニー株式会社 | 音検出装置、音検出方法、音特徴量検出装置、音特徴量検出方法、音区間検出装置、音区間検出方法およびプログラム |
TWI505262B (zh) * | 2012-05-15 | 2015-10-21 | Dolby Int Ab | 具多重子流之多通道音頻信號的有效編碼與解碼 |
GB201210373D0 (en) * | 2012-06-12 | 2012-07-25 | Meridian Audio Ltd | Doubly compatible lossless audio sandwidth extension |
CN102752058B (zh) * | 2012-06-16 | 2013-10-16 | 天地融科技股份有限公司 | 音频数据传输***、音频数据传输装置及电子签名工具 |
AR091515A1 (es) * | 2012-06-29 | 2015-02-11 | Sony Corp | Dispositivo y metodo para el procesamiento de imagenes |
JP6065452B2 (ja) | 2012-08-14 | 2017-01-25 | 富士通株式会社 | データ埋め込み装置及び方法、データ抽出装置及び方法、並びにプログラム |
US9129600B2 (en) | 2012-09-26 | 2015-09-08 | Google Technology Holdings LLC | Method and apparatus for encoding an audio signal |
JP5447628B1 (ja) * | 2012-09-28 | 2014-03-19 | パナソニック株式会社 | 無線通信装置及び通信端末 |
PL3232437T3 (pl) | 2012-12-13 | 2019-05-31 | Fraunhofer Ges Forschung | Urządzenie do kodowania głosowego audio, urządzenie do dekodowania głosowego audio, sposób kodowania głosowego audio i sposób dekodowania głosowego audio |
SG10201709631PA (en) | 2013-01-08 | 2018-01-30 | Dolby Int Ab | Model based prediction in a critically sampled filterbank |
JP6179122B2 (ja) * | 2013-02-20 | 2017-08-16 | 富士通株式会社 | オーディオ符号化装置、オーディオ符号化方法、オーディオ符号化プログラム |
US9093064B2 (en) | 2013-03-11 | 2015-07-28 | The Nielsen Company (Us), Llc | Down-mixing compensation for audio watermarking |
WO2014164361A1 (en) | 2013-03-13 | 2014-10-09 | Dts Llc | System and methods for processing stereo audio content |
JP6146069B2 (ja) * | 2013-03-18 | 2017-06-14 | 富士通株式会社 | データ埋め込み装置及び方法、データ抽出装置及び方法、並びにプログラム |
CN105144288B (zh) | 2013-04-05 | 2019-12-27 | 杜比国际公司 | 高级量化器 |
EP2800401A1 (en) | 2013-04-29 | 2014-11-05 | Thomson Licensing | Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation |
US9854377B2 (en) | 2013-05-29 | 2017-12-26 | Qualcomm Incorporated | Interpolation for decomposed representations of a sound field |
US9536540B2 (en) | 2013-07-19 | 2017-01-03 | Knowles Electronics, Llc | Speech signal separation and synthesis based on auditory scene analysis and speech modeling |
CN105723454B (zh) * | 2013-09-13 | 2020-01-24 | 三星电子株式会社 | 能量无损编码方法和设备、信号编码方法和设备、能量无损解码方法和设备及信号解码方法和设备 |
US9848272B2 (en) * | 2013-10-21 | 2017-12-19 | Dolby International Ab | Decorrelator structure for parametric reconstruction of audio signals |
KR101804744B1 (ko) * | 2013-10-22 | 2017-12-06 | 연세대학교 산학협력단 | 오디오 신호 처리 방법 및 장치 |
US10261760B1 (en) | 2013-12-05 | 2019-04-16 | The Mathworks, Inc. | Systems and methods for tracing performance information from hardware realizations to models |
US10078717B1 (en) | 2013-12-05 | 2018-09-18 | The Mathworks, Inc. | Systems and methods for estimating performance characteristics of hardware implementations of executable models |
CA2934602C (en) | 2013-12-27 | 2022-08-30 | Sony Corporation | Decoding apparatus and method, and program |
US10986454B2 (en) | 2014-01-06 | 2021-04-20 | Alpine Electronics of Silicon Valley, Inc. | Sound normalization and frequency remapping using haptic feedback |
US8977376B1 (en) | 2014-01-06 | 2015-03-10 | Alpine Electronics of Silicon Valley, Inc. | Reproducing audio signals with a haptic apparatus on acoustic headphones and their calibration and measurement |
US8767996B1 (en) | 2014-01-06 | 2014-07-01 | Alpine Electronics of Silicon Valley, Inc. | Methods and devices for reproducing audio signals with a haptic apparatus on acoustic headphones |
PL3111560T3 (pl) * | 2014-02-27 | 2021-12-06 | Telefonaktiebolaget Lm Ericsson (Publ) | Sposób i urządzenie do indeksowania i deindeksowania wektorów próbek audio/wideo piramidowej kwantyzacji wektorowej |
US9564136B2 (en) * | 2014-03-06 | 2017-02-07 | Dts, Inc. | Post-encoding bitrate reduction of multiple object audio |
CN117133298A (zh) | 2014-03-24 | 2023-11-28 | 杜比国际公司 | 对高阶高保真立体声信号应用动态范围压缩的方法和设备 |
US9685164B2 (en) * | 2014-03-31 | 2017-06-20 | Qualcomm Incorporated | Systems and methods of switching coding technologies at a device |
FR3020732A1 (fr) * | 2014-04-30 | 2015-11-06 | Orange | Correction de perte de trame perfectionnee avec information de voisement |
US9997171B2 (en) * | 2014-05-01 | 2018-06-12 | Gn Hearing A/S | Multi-band signal processor for digital audio signals |
WO2015189533A1 (en) * | 2014-06-10 | 2015-12-17 | Meridian Audio Limited | Digital encapsulation of audio signals |
JP6432180B2 (ja) * | 2014-06-26 | 2018-12-05 | ソニー株式会社 | 復号装置および方法、並びにプログラム |
CN106663434B (zh) * | 2014-06-27 | 2021-09-28 | 杜比国际公司 | 针对hoa数据帧表示的压缩确定表示非差分增益值所需的最小整数比特数的方法 |
EP2960903A1 (en) * | 2014-06-27 | 2015-12-30 | Thomson Licensing | Method and apparatus for determining for the compression of an HOA data frame representation a lowest integer number of bits required for representing non-differential gain values |
EP2980795A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor |
EP2980794A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and decoder using a frequency domain processor and a time domain processor |
EP2988300A1 (en) | 2014-08-18 | 2016-02-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Switching of sampling rates at audio processing devices |
EP3799044B1 (en) * | 2014-09-04 | 2023-12-20 | Sony Group Corporation | Transmission device, transmission method, reception device and reception method |
DE112015004185T5 (de) | 2014-09-12 | 2017-06-01 | Knowles Electronics, Llc | Systeme und Verfahren zur Wiederherstellung von Sprachkomponenten |
EP3736809B1 (en) * | 2014-10-01 | 2022-03-09 | Dolby International AB | Decoding an encoded audio signal using drc profiles |
CN105632503B (zh) * | 2014-10-28 | 2019-09-03 | 南宁富桂精密工业有限公司 | 信息隐藏方法及*** |
US9659578B2 (en) * | 2014-11-27 | 2017-05-23 | Tata Consultancy Services Ltd. | Computer implemented system and method for identifying significant speech frames within speech signals |
CN107430862B (zh) * | 2015-02-27 | 2022-10-04 | 奥罗技术公司 | 数字数据集合的编码和解码 |
EP3067887A1 (en) | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal |
EP3067885A1 (en) * | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding or decoding a multi-channel signal |
CN106161313A (zh) * | 2015-03-30 | 2016-11-23 | 索尼公司 | 无线通信***中的电子设备、无线通信***和方法 |
US10043527B1 (en) * | 2015-07-17 | 2018-08-07 | Digimarc Corporation | Human auditory system modeling with masking energy adaptation |
CN109074813B (zh) * | 2015-09-25 | 2020-04-03 | 杜比实验室特许公司 | 处理高清晰度音频数据 |
EA201992556A1 (ru) | 2015-10-08 | 2021-03-31 | Долби Лэборетериз Лайсенсинг Корпорейшн | Аудиодекодер и способ декодирования |
US10423733B1 (en) | 2015-12-03 | 2019-09-24 | The Mathworks, Inc. | Systems and methods for sharing resources having different data types |
WO2017132366A1 (en) | 2016-01-26 | 2017-08-03 | Dolby Laboratories Licensing Corporation | Adaptive quantization |
US9820042B1 (en) | 2016-05-02 | 2017-11-14 | Knowles Electronics, Llc | Stereo separation and directional suppression with omni-directional microphones |
US20170330575A1 (en) * | 2016-05-10 | 2017-11-16 | Immersion Services LLC | Adaptive audio codec system, method and article |
US10756755B2 (en) * | 2016-05-10 | 2020-08-25 | Immersion Networks, Inc. | Adaptive audio codec system, method and article |
JP6763194B2 (ja) * | 2016-05-10 | 2020-09-30 | 株式会社Jvcケンウッド | 符号化装置、復号装置、通信システム |
EP3455854B1 (en) * | 2016-05-10 | 2020-09-16 | Immersion Services LLC | Adaptive audio codec method and apparatus |
US10770088B2 (en) * | 2016-05-10 | 2020-09-08 | Immersion Networks, Inc. | Adaptive audio decoder system, method and article |
US10699725B2 (en) * | 2016-05-10 | 2020-06-30 | Immersion Networks, Inc. | Adaptive audio encoder system, method and article |
CN105869648B (zh) * | 2016-05-19 | 2019-11-22 | 日立楼宇技术(广州)有限公司 | 混音方法及装置 |
EP3472832A4 (en) | 2016-06-17 | 2020-03-11 | DTS, Inc. | DISTANCE-BASED PANORAMIC USING NEAR / FAR FIELD RENDERING |
US10375498B2 (en) | 2016-11-16 | 2019-08-06 | Dts, Inc. | Graphical user interface for calibrating a surround sound system |
WO2018096036A1 (en) * | 2016-11-23 | 2018-05-31 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for adaptive control of decorrelation filters |
JP2018092012A (ja) * | 2016-12-05 | 2018-06-14 | ソニー株式会社 | 情報処理装置、情報処理方法、およびプログラム |
US10362269B2 (en) * | 2017-01-11 | 2019-07-23 | Ringcentral, Inc. | Systems and methods for determining one or more active speakers during an audio or video conference session |
US10354667B2 (en) * | 2017-03-22 | 2019-07-16 | Immersion Networks, Inc. | System and method for processing audio data |
US10699721B2 (en) * | 2017-04-25 | 2020-06-30 | Dts, Inc. | Encoding and decoding of digital audio signals using difference data |
CN109427338B (zh) * | 2017-08-23 | 2021-03-30 | 华为技术有限公司 | 立体声信号的编码方法和编码装置 |
WO2019049543A1 (ja) * | 2017-09-08 | 2019-03-14 | ソニー株式会社 | 音声処理装置、音声処理方法及びプログラム |
US10609503B2 (en) | 2018-04-08 | 2020-03-31 | Dts, Inc. | Ambisonic depth extraction |
CN115410583A (zh) * | 2018-04-11 | 2022-11-29 | 杜比实验室特许公司 | 基于机器学习的用于音频编码和解码的基于感知的损失函数 |
CN109243471B (zh) * | 2018-09-26 | 2022-09-23 | 杭州联汇科技股份有限公司 | 一种快速编码广播用数字音频的方法 |
US10763885B2 (en) * | 2018-11-06 | 2020-09-01 | Stmicroelectronics S.R.L. | Method of error concealment, and associated device |
CN111341303B (zh) * | 2018-12-19 | 2023-10-31 | 北京猎户星空科技有限公司 | 一种声学模型的训练方法及装置、语音识别方法及装置 |
CN109831280A (zh) * | 2019-02-28 | 2019-05-31 | 深圳市友杰智新科技有限公司 | 一种声波通讯方法、装置及可读存储介质 |
KR20200123531A (ko) * | 2019-04-22 | 2020-10-30 | 주식회사 쏠리드 | 통신 신호를 처리하는 방법 및 이를 이용하는 통신 노드 |
US11361772B2 (en) | 2019-05-14 | 2022-06-14 | Microsoft Technology Licensing, Llc | Adaptive and fixed mapping for compression and decompression of audio data |
US10681463B1 (en) * | 2019-05-17 | 2020-06-09 | Sonos, Inc. | Wireless transmission to satellites for multichannel audio system |
CN110366752B (zh) * | 2019-05-21 | 2023-10-10 | 深圳市汇顶科技股份有限公司 | 一种语音分频传输方法、源端、播放端、源端电路和播放端电路 |
JP7285967B2 (ja) | 2019-05-31 | 2023-06-02 | ディーティーエス・インコーポレイテッド | フォービエイテッドオーディオレンダリング |
CN110365342B (zh) * | 2019-06-06 | 2023-05-12 | 中车青岛四方机车车辆股份有限公司 | 波形解码方法及装置 |
EP3751567B1 (en) * | 2019-06-10 | 2022-01-26 | Axis AB | A method, a computer program, an encoder and a monitoring device |
US11380343B2 (en) | 2019-09-12 | 2022-07-05 | Immersion Networks, Inc. | Systems and methods for processing high frequency audio signal |
GB2587196A (en) * | 2019-09-13 | 2021-03-24 | Nokia Technologies Oy | Determination of spatial audio parameter encoding and associated decoding |
CN112530444B (zh) * | 2019-09-18 | 2023-10-03 | 华为技术有限公司 | 音频编码方法和装置 |
US20210224024A1 (en) * | 2020-01-21 | 2021-07-22 | Audiowise Technology Inc. | Bluetooth audio system with low latency, and audio source and audio sink thereof |
EP4118744A1 (en) * | 2020-03-13 | 2023-01-18 | Immersion Networks, Inc. | Loudness equalization system |
CN111261194A (zh) * | 2020-04-29 | 2020-06-09 | 浙江百应科技有限公司 | 一种基于pcm技术的音量分析方法 |
CN112037802B (zh) * | 2020-05-08 | 2022-04-01 | 珠海市杰理科技股份有限公司 | 基于语音端点检测的音频编码方法及装置、设备、介质 |
CN111583942B (zh) * | 2020-05-26 | 2023-06-13 | 腾讯科技(深圳)有限公司 | 语音会话的编码码率控制方法、装置和计算机设备 |
CN112187397B (zh) * | 2020-09-11 | 2022-04-29 | 烽火通信科技股份有限公司 | 一种通用的多通道数据同步方法和装置 |
CN112885364B (zh) * | 2021-01-21 | 2023-10-13 | 维沃移动通信有限公司 | 音频编码方法和解码方法、音频编码装置和解码装置 |
CN113485190B (zh) * | 2021-07-13 | 2022-11-11 | 西安电子科技大学 | 一种多通道数据采集***及采集方法 |
US20230154474A1 (en) * | 2021-11-17 | 2023-05-18 | Agora Lab, Inc. | System and method for providing high quality audio communication over low bit rate connection |
WO2024012666A1 (en) * | 2022-07-12 | 2024-01-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding or decoding ar/vr metadata with generic codebooks |
CN115171709B (zh) * | 2022-09-05 | 2022-11-18 | 腾讯科技(深圳)有限公司 | 语音编码、解码方法、装置、计算机设备和存储介质 |
US11935550B1 (en) * | 2023-03-31 | 2024-03-19 | The Adt Security Corporation | Audio compression for low overhead decompression |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1065168A (zh) * | 1991-02-19 | 1992-10-07 | 菲利浦光灯制造公司 | 传输***以及用于该***的接收机 |
US5268685A (en) * | 1991-03-30 | 1993-12-07 | Sony Corp | Apparatus with transient-dependent bit allocation for compressing a digital signal |
Family Cites Families (60)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3171990D1 (en) * | 1981-04-30 | 1985-10-03 | Ibm | Speech coding methods and apparatus for carrying out the method |
JPS5921039B2 (ja) * | 1981-11-04 | 1984-05-17 | 日本電信電話株式会社 | 適応予測符号化方式 |
US4455649A (en) * | 1982-01-15 | 1984-06-19 | International Business Machines Corporation | Method and apparatus for efficient statistical multiplexing of voice and data signals |
US4547816A (en) | 1982-05-03 | 1985-10-15 | Robert Bosch Gmbh | Method of recording digital audio and video signals in the same track |
US4535472A (en) * | 1982-11-05 | 1985-08-13 | At&T Bell Laboratories | Adaptive bit allocator |
US4757536A (en) * | 1984-10-17 | 1988-07-12 | General Electric Company | Method and apparatus for transceiving cryptographically encoded digital data |
US4622680A (en) * | 1984-10-17 | 1986-11-11 | General Electric Company | Hybrid subband coder/decoder method and apparatus |
US5051991A (en) * | 1984-10-17 | 1991-09-24 | Ericsson Ge Mobile Communications Inc. | Method and apparatus for efficient digital time delay compensation in compressed bandwidth signal processing |
US4817146A (en) * | 1984-10-17 | 1989-03-28 | General Electric Company | Cryptographic digital signal transceiver method and apparatus |
US4675863A (en) * | 1985-03-20 | 1987-06-23 | International Mobile Machines Corp. | Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels |
JPS62154368A (ja) | 1985-12-27 | 1987-07-09 | Canon Inc | 記録装置 |
US4815074A (en) * | 1986-08-01 | 1989-03-21 | General Datacomm, Inc. | High speed bit interleaved time division multiplexer for multinode communication systems |
US4899384A (en) * | 1986-08-25 | 1990-02-06 | Ibm Corporation | Table controlled dynamic bit allocation in a variable rate sub-band speech coder |
DE3639753A1 (de) * | 1986-11-21 | 1988-06-01 | Inst Rundfunktechnik Gmbh | Verfahren zum uebertragen digitalisierter tonsignale |
NL8700985A (nl) * | 1987-04-27 | 1988-11-16 | Philips Nv | Systeem voor sub-band codering van een digitaal audiosignaal. |
JPH0783315B2 (ja) * | 1988-09-26 | 1995-09-06 | 富士通株式会社 | 可変レート音声信号符号化方式 |
US4881224A (en) | 1988-10-19 | 1989-11-14 | General Datacomm, Inc. | Framing algorithm for bit interleaved time division multiplexer |
US5341457A (en) * | 1988-12-30 | 1994-08-23 | At&T Bell Laboratories | Perceptual coding of audio signals |
EP0411998B1 (en) | 1989-07-29 | 1995-03-22 | Sony Corporation | 4-Channel PCM signal processing apparatus |
US5115240A (en) * | 1989-09-26 | 1992-05-19 | Sony Corporation | Method and apparatus for encoding voice signals divided into a plurality of frequency bands |
EP0428156B1 (en) * | 1989-11-14 | 1996-08-21 | Nec Corporation | Adaptive transform coding by selecting optimum block lengths according to variations between successive blocks |
CN1062963C (zh) * | 1990-04-12 | 2001-03-07 | 多尔拜实验特许公司 | 用于产生高质量声音信号的解码器和编码器 |
US5388181A (en) * | 1990-05-29 | 1995-02-07 | Anderson; David J. | Digital audio compression system |
JP2841765B2 (ja) * | 1990-07-13 | 1998-12-24 | 日本電気株式会社 | 適応ビット割当て方法及び装置 |
JPH04127747A (ja) * | 1990-09-19 | 1992-04-28 | Toshiba Corp | 可変レート符号化方式 |
US5365553A (en) * | 1990-11-30 | 1994-11-15 | U.S. Philips Corporation | Transmitter, encoding system and method employing use of a bit need determiner for subband coding a digital signal |
US5136377A (en) * | 1990-12-11 | 1992-08-04 | At&T Bell Laboratories | Adaptive non-linear quantizer |
US5123015A (en) * | 1990-12-20 | 1992-06-16 | Hughes Aircraft Company | Daisy chain multiplexer |
SG49883A1 (en) * | 1991-01-08 | 1998-06-15 | Dolby Lab Licensing Corp | Encoder/decoder for multidimensional sound fields |
ZA921988B (en) * | 1991-03-29 | 1993-02-24 | Sony Corp | High efficiency digital data encoding and decoding apparatus |
EP0506394A2 (en) * | 1991-03-29 | 1992-09-30 | Sony Corporation | Coding apparatus for digital signals |
JP3432822B2 (ja) * | 1991-06-11 | 2003-08-04 | クゥアルコム・インコーポレイテッド | 可変速度ボコーダ |
JP3508138B2 (ja) | 1991-06-25 | 2004-03-22 | ソニー株式会社 | 信号処理装置 |
KR100268623B1 (ko) * | 1991-06-28 | 2000-10-16 | 이데이 노부유끼 | 압축 데이타 기록 재생 장치 및 신호 처리 방법 |
DE69232251T2 (de) * | 1991-08-02 | 2002-07-18 | Sony Corp | Digitaler Kodierer mit dynamischer Quantisierungsbitverteilung |
KR100263599B1 (ko) * | 1991-09-02 | 2000-08-01 | 요트.게.아. 롤페즈 | 인코딩 시스템 |
JP3226945B2 (ja) * | 1991-10-02 | 2001-11-12 | キヤノン株式会社 | マルチメディア通信装置 |
FR2685593B1 (fr) * | 1991-12-20 | 1994-02-11 | France Telecom | Dispositif de demultiplexage en frequence a filtres numeriques. |
US5642437A (en) * | 1992-02-22 | 1997-06-24 | Texas Instruments Incorporated | System decoder circuit with temporary bit storage and method of operation |
US5285498A (en) * | 1992-03-02 | 1994-02-08 | At&T Bell Laboratories | Method and apparatus for coding audio signals based on perceptual model |
EP0559348A3 (en) * | 1992-03-02 | 1993-11-03 | AT&T Corp. | Rate control loop processor for perceptual encoder/decoder |
CA2090052C (en) * | 1992-03-02 | 1998-11-24 | Anibal Joao De Sousa Ferreira | Method and apparatus for the perceptual coding of audio signals |
DE4209544A1 (de) * | 1992-03-24 | 1993-09-30 | Inst Rundfunktechnik Gmbh | Verfahren zum Übertragen oder Speichern digitalisierter, mehrkanaliger Tonsignale |
JP2693893B2 (ja) * | 1992-03-30 | 1997-12-24 | 松下電器産業株式会社 | ステレオ音声符号化方法 |
US5734789A (en) * | 1992-06-01 | 1998-03-31 | Hughes Electronics | Voiced, unvoiced or noise modes in a CELP vocoder |
TW235392B (zh) * | 1992-06-02 | 1994-12-01 | Philips Electronics Nv | |
US5436940A (en) * | 1992-06-11 | 1995-07-25 | Massachusetts Institute Of Technology | Quadrature mirror filter banks and method |
JP2976701B2 (ja) * | 1992-06-24 | 1999-11-10 | 日本電気株式会社 | 量子化ビット数割当方法 |
US5408580A (en) * | 1992-09-21 | 1995-04-18 | Aware, Inc. | Audio compression system employing multi-rate signal analysis |
US5396489A (en) * | 1992-10-26 | 1995-03-07 | Motorola Inc. | Method and means for transmultiplexing signals between signal terminals and radio frequency channels |
US5381145A (en) * | 1993-02-10 | 1995-01-10 | Ricoh Corporation | Method and apparatus for parallel decoding and encoding of data |
US5657423A (en) * | 1993-02-22 | 1997-08-12 | Texas Instruments Incorporated | Hardware filter circuit and address circuitry for MPEG encoded data |
TW272341B (zh) * | 1993-07-16 | 1996-03-11 | Sony Co Ltd | |
US5451954A (en) * | 1993-08-04 | 1995-09-19 | Dolby Laboratories Licensing Corporation | Quantization noise suppression for encoder/decoder system |
US5488665A (en) * | 1993-11-23 | 1996-01-30 | At&T Corp. | Multi-channel perceptual audio compression system with encoding mode switching among matrixed channels |
JPH07202820A (ja) * | 1993-12-28 | 1995-08-04 | Matsushita Electric Ind Co Ltd | ビットレート制御システム |
US5608713A (en) * | 1994-02-09 | 1997-03-04 | Sony Corporation | Bit allocation of digital audio signal blocks by non-linear processing |
JP2778482B2 (ja) * | 1994-09-26 | 1998-07-23 | 日本電気株式会社 | 帯域分割符号化装置 |
US5748903A (en) * | 1995-07-21 | 1998-05-05 | Intel Corporation | Encoding images using decode rate control |
ES2201929B1 (es) * | 2002-09-12 | 2005-05-16 | Araclon Biotech, S.L. | Anticuerpos policlonales, metodo de preparacion y uso de los mismos. |
-
1996
- 1996-05-02 US US08/642,254 patent/US5956674A/en not_active Expired - Lifetime
- 1996-11-21 PT PT96941446T patent/PT864146E/pt unknown
- 1996-11-21 DK DK96941446T patent/DK0864146T3/da active
- 1996-11-21 CN CNB031569277A patent/CN1303583C/zh not_active Expired - Lifetime
- 1996-11-21 KR KR1019980703985A patent/KR100277819B1/ko not_active IP Right Cessation
- 1996-11-21 WO PCT/US1996/018764 patent/WO1997021211A1/en active IP Right Grant
- 1996-11-21 CN CN200610081786XA patent/CN1848242B/zh not_active Expired - Lifetime
- 1996-11-21 BR BR9611852-0A patent/BR9611852A/pt not_active IP Right Cessation
- 1996-11-21 PL PL96346687A patent/PL183092B1/pl unknown
- 1996-11-21 AU AU10589/97A patent/AU705194B2/en not_active Expired
- 1996-11-21 EP EP96941446A patent/EP0864146B1/en not_active Expired - Lifetime
- 1996-11-21 ES ES96941446T patent/ES2232842T3/es not_active Expired - Lifetime
- 1996-11-21 CA CA002238026A patent/CA2238026C/en not_active Expired - Lifetime
- 1996-11-21 CN CN2006100817855A patent/CN1848241B/zh not_active Expired - Lifetime
- 1996-11-21 PL PL96346688A patent/PL183498B1/pl unknown
- 1996-11-21 CN CN96199832A patent/CN1132151C/zh not_active Expired - Lifetime
- 1996-11-21 JP JP52131497A patent/JP4174072B2/ja not_active Expired - Lifetime
- 1996-11-21 DE DE69633633T patent/DE69633633T2/de not_active Expired - Lifetime
- 1996-11-21 CA CA002331611A patent/CA2331611C/en not_active Expired - Lifetime
- 1996-11-21 AT AT96941446T patent/ATE279770T1/de active
- 1996-11-21 CN CN2010101265919A patent/CN101872618B/zh not_active Expired - Lifetime
- 1996-11-21 PL PL96327082A patent/PL182240B1/pl unknown
- 1996-11-21 EA EA199800505A patent/EA001087B1/ru not_active IP Right Cessation
-
1997
- 1997-12-16 US US08/991,533 patent/US5974380A/en not_active Expired - Lifetime
-
1998
- 1998-05-28 US US09/085,955 patent/US5978762A/en not_active Expired - Lifetime
- 1998-05-29 MX MX9804320A patent/MX9804320A/es unknown
- 1998-11-04 US US09/186,234 patent/US6487535B1/en not_active Expired - Lifetime
-
1999
- 1999-02-05 HK HK99100515A patent/HK1015510A1/xx not_active IP Right Cessation
-
2006
- 2006-11-17 HK HK06112653.7A patent/HK1092271A1/xx not_active IP Right Cessation
- 2006-11-17 HK HK06112652.8A patent/HK1092270A1/xx not_active IP Right Cessation
-
2011
- 2011-04-26 HK HK11104134.6A patent/HK1149979A1/xx not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1065168A (zh) * | 1991-02-19 | 1992-10-07 | 菲利浦光灯制造公司 | 传输***以及用于该***的接收机 |
US5268685A (en) * | 1991-03-30 | 1993-12-07 | Sony Corp | Apparatus with transient-dependent bit allocation for compressing a digital signal |
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