HK1211379A1 - Companding apparatus and method to reduce quantization noise using advanced spectral extension - Google Patents
Companding apparatus and method to reduce quantization noise using advanced spectral extensionInfo
- Publication number
- HK1211379A1 HK1211379A1 HK15112109.6A HK15112109A HK1211379A1 HK 1211379 A1 HK1211379 A1 HK 1211379A1 HK 15112109 A HK15112109 A HK 15112109A HK 1211379 A1 HK1211379 A1 HK 1211379A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- quantization noise
- reduce quantization
- spectral extension
- advanced spectral
- companding apparatus
- Prior art date
Links
- 238000000034 method Methods 0.000 title 1
- 238000013139 quantization Methods 0.000 title 1
- 230000003595 spectral effect Effects 0.000 title 1
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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
- G10L21/0324—Details of processing therefor
- G10L21/034—Automatic adjustment
-
- 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
-
- 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
- G10L19/032—Quantisation or dequantisation of spectral components
-
- 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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
-
- 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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
- G10L21/0232—Processing in the frequency domain
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/45—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of analysis window
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H03G7/007—Volume compression or expansion in amplifiers of digital or coded signals
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Quality & Reliability (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Liquid Crystal Substances (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361809028P | 2013-04-05 | 2013-04-05 | |
US201361877167P | 2013-09-12 | 2013-09-12 | |
PCT/US2014/032578 WO2014165543A1 (en) | 2013-04-05 | 2014-04-01 | Companding apparatus and method to reduce quantization noise using advanced spectral extension |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1211379A1 true HK1211379A1 (en) | 2016-05-20 |
Family
ID=50629038
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK18113874.4A HK1254790A1 (zh) | 2013-04-05 | 2015-12-08 | 使用高級頻譜延拓降低量化噪聲的壓擴裝置和方法 |
HK15112109.6A HK1211379A1 (en) | 2013-04-05 | 2015-12-08 | Companding apparatus and method to reduce quantization noise using advanced spectral extension |
HK18113875.3A HK1254791A1 (zh) | 2013-04-05 | 2015-12-08 | 使用高級頻譜延拓降低量化噪聲的壓擴裝置和方法 |
HK19100077.5A HK1257807A1 (zh) | 2013-04-05 | 2015-12-08 | 使用高級頻譜延拓降低量化噪聲的壓擴裝置和方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK18113874.4A HK1254790A1 (zh) | 2013-04-05 | 2015-12-08 | 使用高級頻譜延拓降低量化噪聲的壓擴裝置和方法 |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK18113875.3A HK1254791A1 (zh) | 2013-04-05 | 2015-12-08 | 使用高級頻譜延拓降低量化噪聲的壓擴裝置和方法 |
HK19100077.5A HK1257807A1 (zh) | 2013-04-05 | 2015-12-08 | 使用高級頻譜延拓降低量化噪聲的壓擴裝置和方法 |
Country Status (24)
Country | Link |
---|---|
US (6) | US9947335B2 (hu) |
EP (3) | EP2981963B1 (hu) |
JP (7) | JP6026678B2 (hu) |
KR (7) | KR102509345B1 (hu) |
CN (8) | CN114566183A (hu) |
AP (1) | AP2015008800A0 (hu) |
AU (1) | AU2014248232B2 (hu) |
BR (2) | BR112015019176B1 (hu) |
CA (1) | CA2900724C (hu) |
CL (1) | CL2015002278A1 (hu) |
DK (1) | DK2981963T3 (hu) |
EA (1) | EA028755B9 (hu) |
ES (1) | ES2617314T3 (hu) |
HK (4) | HK1254790A1 (hu) |
HU (1) | HUE031966T2 (hu) |
IL (8) | IL300496A (hu) |
ME (1) | ME02623B (hu) |
MX (1) | MX342965B (hu) |
MY (2) | MY197063A (hu) |
PL (1) | PL2981963T3 (hu) |
RU (2) | RU2712814C2 (hu) |
SG (1) | SG11201506134XA (hu) |
WO (1) | WO2014165543A1 (hu) |
ZA (1) | ZA201600393B (hu) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114566183A (zh) * | 2013-04-05 | 2022-05-31 | 杜比实验室特许公司 | 使用高级频谱延拓降低量化噪声的压扩装置和方法 |
US9584911B2 (en) * | 2015-03-27 | 2017-02-28 | Cirrus Logic, Inc. | Multichip dynamic range enhancement (DRE) audio processing methods and apparatuses |
WO2017080835A1 (en) | 2015-11-10 | 2017-05-18 | Dolby International Ab | Signal-dependent companding system and method to reduce quantization noise |
CN108496221B (zh) | 2016-01-26 | 2020-01-21 | 杜比实验室特许公司 | 自适应量化 |
MY191093A (en) * | 2016-02-17 | 2022-05-30 | Fraunhofer Ges Forschung | Post-processor, pre-processor, audio encoder, audio decoder and related methods for enhancing transient processing |
US9934788B2 (en) * | 2016-08-01 | 2018-04-03 | Bose Corporation | Reducing codec noise in acoustic devices |
JP6816277B2 (ja) * | 2017-07-03 | 2021-01-20 | パイオニア株式会社 | 信号処理装置、制御方法、プログラム及び記憶媒体 |
RU2691122C1 (ru) * | 2018-06-13 | 2019-06-11 | Ордена трудового Красного Знамени федеральное государственное бюджетное образовательное учреждение высшего образования "Московский технический университет связи и информатики" (МТУСИ) | Способ и устройство компандирования звуковых вещательных сигналов |
CN112771610A (zh) * | 2018-08-21 | 2021-05-07 | 杜比国际公司 | 用压扩对密集瞬态事件进行译码 |
JP7019096B2 (ja) | 2018-08-30 | 2022-02-14 | ドルビー・インターナショナル・アーベー | 低ビットレート符号化オーディオの増強を制御する方法及び機器 |
CN110265043B (zh) * | 2019-06-03 | 2021-06-01 | 同响科技股份有限公司 | 自适应有损或无损的音频压缩和解压缩演算方法 |
RU2731602C1 (ru) * | 2019-09-30 | 2020-09-04 | Ордена трудового Красного Знамени федеральное государственное бюджетное образовательное учреждение высшего образования "Московский технический университет связи и информатики" (МТУСИ) | Способ и устройство компандирования с предыскажением звуковых вещательных сигналов |
AU2020372881A1 (en) | 2019-10-28 | 2022-06-09 | Merck Sharp & Dohme Llc | Small molecule inhibitors of KRAS G12C mutant |
US20230178084A1 (en) | 2020-04-30 | 2023-06-08 | Dolby International Ab | Method, apparatus and system for enhancing multi-channel audio in a dynamic range reduced domain |
JP2023533427A (ja) | 2020-06-01 | 2023-08-03 | ドルビー・インターナショナル・アーベー | 生成ニューラル・ネットワークのパラメータを決定するための方法および装置 |
CN114095831A (zh) * | 2020-08-25 | 2022-02-25 | 上海艾为电子技术股份有限公司 | 多段动态范围控制电路以及音频处理芯片 |
CN112133319A (zh) * | 2020-08-31 | 2020-12-25 | 腾讯音乐娱乐科技(深圳)有限公司 | 音频生成的方法、装置、设备及存储介质 |
CN117079657B (zh) * | 2023-10-16 | 2024-01-26 | 中国铁塔股份有限公司 | 压限处理方法、装置、电子设备及可读存储介质 |
Family Cites Families (89)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6026678B2 (ja) | 1981-04-30 | 1985-06-25 | 株式会社青木技研 | 電動ドライバ−の制御装置 |
JPS6026678A (ja) | 1983-07-22 | 1985-02-09 | Hiroshi Uchiyama | 原油受入配管防蝕法 |
JPH05292592A (ja) * | 1992-04-10 | 1993-11-05 | Toshiba Corp | 音質補正装置 |
US6003004A (en) * | 1998-01-08 | 1999-12-14 | Advanced Recognition Technologies, Inc. | Speech recognition method and system using compressed speech data |
JP3485786B2 (ja) | 1998-02-10 | 2004-01-13 | 三洋電機株式会社 | 音声データの圧縮/伸長装置 |
TW390104B (en) * | 1998-08-10 | 2000-05-11 | Acer Labs Inc | Method and device for down mixing of multi-sound-track compression audio frequency bit stream |
US6300888B1 (en) | 1998-12-14 | 2001-10-09 | Microsoft Corporation | Entrophy code mode switching for frequency-domain audio coding |
US6487257B1 (en) * | 1999-04-12 | 2002-11-26 | Telefonaktiebolaget L M Ericsson | Signal noise reduction by time-domain spectral subtraction using fixed filters |
US7027981B2 (en) * | 1999-11-29 | 2006-04-11 | Bizjak Karl M | System output control method and apparatus |
CA2327041A1 (en) * | 2000-11-22 | 2002-05-22 | Voiceage Corporation | A method for indexing pulse positions and signs in algebraic codebooks for efficient coding of wideband signals |
JP2003005797A (ja) | 2001-06-21 | 2003-01-08 | Matsushita Electric Ind Co Ltd | オーディオ信号の符号化方法及び装置、並びに符号化及び復号化システム |
JP4247037B2 (ja) | 2003-01-29 | 2009-04-02 | 株式会社東芝 | 音声信号処理方法と装置及びプログラム |
US7787632B2 (en) * | 2003-03-04 | 2010-08-31 | Nokia Corporation | Support of a multichannel audio extension |
US7876966B2 (en) | 2003-03-11 | 2011-01-25 | Spyder Navigations L.L.C. | Switching between coding schemes |
CN100583241C (zh) | 2003-04-30 | 2010-01-20 | 松下电器产业株式会社 | 音频编码设备、音频解码设备、音频编码方法和音频解码方法 |
DE602004005234T2 (de) | 2003-07-07 | 2007-11-08 | Koninklijke Philips Electronics N.V. | System und verfahren zur signalverarbeitung |
KR20050049103A (ko) * | 2003-11-21 | 2005-05-25 | 삼성전자주식회사 | 포만트 대역을 이용한 다이얼로그 인핸싱 방법 및 장치 |
CN1677492A (zh) * | 2004-04-01 | 2005-10-05 | 北京宫羽数字技术有限责任公司 | 一种增强音频编解码装置及方法 |
CA2581810C (en) * | 2004-10-26 | 2013-12-17 | Dolby Laboratories Licensing Corporation | Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal |
CN101084697B (zh) * | 2004-12-16 | 2011-10-19 | 唯听助听器公司 | 具有反馈模型增益估计的助听器 |
KR100647336B1 (ko) * | 2005-11-08 | 2006-11-23 | 삼성전자주식회사 | 적응적 시간/주파수 기반 오디오 부호화/복호화 장치 및방법 |
US7956930B2 (en) | 2006-01-06 | 2011-06-07 | Microsoft Corporation | Resampling and picture resizing operations for multi-resolution video coding and decoding |
WO2007080211A1 (en) * | 2006-01-09 | 2007-07-19 | Nokia Corporation | Decoding of binaural audio signals |
PL2002429T3 (pl) * | 2006-04-04 | 2013-03-29 | Dolby Laboratories Licensing Corp | Kontrola słyszalnej charakterystyki głośności sygnału audio |
SG136836A1 (en) * | 2006-04-28 | 2007-11-29 | St Microelectronics Asia | Adaptive rate control algorithm for low complexity aac encoding |
CN100543842C (zh) * | 2006-05-23 | 2009-09-23 | 中兴通讯股份有限公司 | 基于多统计模型和最小均方误差实现背景噪声抑制的方法 |
CN101089951B (zh) * | 2006-06-16 | 2011-08-31 | 北京天籁传音数字技术有限公司 | 频带扩展编码方法及装置和解码方法及装置 |
MY151651A (en) * | 2006-07-04 | 2014-06-30 | Dolby Int Ab | Filter compressor and method for manufacturing compressed subband filter impulse responses |
DK2064918T3 (en) * | 2006-09-05 | 2015-01-26 | Gn Resound As | A hearing-aid with histogram based lydmiljøklassifikation |
MY145497A (en) * | 2006-10-16 | 2012-02-29 | Dolby Sweden Ab | Enhanced coding and parameter representation of multichannel downmixed object coding |
US7953595B2 (en) * | 2006-10-18 | 2011-05-31 | Polycom, Inc. | Dual-transform coding of audio signals |
JP5141180B2 (ja) * | 2006-11-09 | 2013-02-13 | ソニー株式会社 | 周波数帯域拡大装置及び周波数帯域拡大方法、再生装置及び再生方法、並びに、プログラム及び記録媒体 |
CN101067931B (zh) * | 2007-05-10 | 2011-04-20 | 芯晟(北京)科技有限公司 | 一种高效可配置的频域参数立体声及多声道编解码方法与*** |
BRPI0813334A2 (pt) * | 2007-06-08 | 2014-12-23 | Dolby Lab Licensing Corp | Derivação híbrida de canais de áudio de som surround pela combinação de forma controlável de componentes de sinal de ambiente e decodificado com matriz. |
US7774205B2 (en) * | 2007-06-15 | 2010-08-10 | Microsoft Corporation | Coding of sparse digital media spectral data |
JP5192544B2 (ja) * | 2007-07-13 | 2013-05-08 | ドルビー ラボラトリーズ ライセンシング コーポレイション | 聴覚情景分析とスペクトルの歪みを用いた音響処理 |
ES2658942T3 (es) * | 2007-08-27 | 2018-03-13 | Telefonaktiebolaget Lm Ericsson (Publ) | Análisis espectral/síntesis de baja complejidad utilizando resolución temporal seleccionable |
JP4854630B2 (ja) * | 2007-09-13 | 2012-01-18 | 富士通株式会社 | 音処理装置、利得制御装置、利得制御方法及びコンピュータプログラム |
CN100585699C (zh) * | 2007-11-02 | 2010-01-27 | 华为技术有限公司 | 一种音频解码的方法和装置 |
US9275648B2 (en) * | 2007-12-18 | 2016-03-01 | Lg Electronics Inc. | Method and apparatus for processing audio signal using spectral data of audio signal |
RU2439717C1 (ru) * | 2008-01-01 | 2012-01-10 | ЭлДжи ЭЛЕКТРОНИКС ИНК. | Способ и устройство для обработки звукового сигнала |
EP2077550B8 (en) * | 2008-01-04 | 2012-03-14 | Dolby International AB | Audio encoder and decoder |
CN101335000B (zh) * | 2008-03-26 | 2010-04-21 | 华为技术有限公司 | 编码的方法及装置 |
CN101262530B (zh) * | 2008-04-29 | 2011-12-07 | 中兴通讯股份有限公司 | 一种消除移动终端回音的装置 |
EP2299368B1 (en) * | 2008-05-01 | 2017-09-06 | Japan Science and Technology Agency | Audio processing device and audio processing method |
JP4750153B2 (ja) * | 2008-05-28 | 2011-08-17 | 独立行政法人科学技術振興機構 | 音響装置及び音響調整方法 |
CN101281747A (zh) * | 2008-05-30 | 2008-10-08 | 苏州大学 | 基于声道参数的汉语耳语音声调识别方法 |
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 |
RU2621965C2 (ru) | 2008-07-11 | 2017-06-08 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. | Передатчик сигнала активации с деформацией по времени, кодер звукового сигнала, способ преобразования сигнала активации с деформацией по времени, способ кодирования звукового сигнала и компьютерные программы |
ES2642906T3 (es) * | 2008-07-11 | 2017-11-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codificador de audio, procedimientos para proporcionar un flujo de audio y programa de ordenador |
EP2144171B1 (en) * | 2008-07-11 | 2018-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and decoder for encoding and decoding frames of a sampled audio signal |
KR101250309B1 (ko) | 2008-07-11 | 2013-04-04 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 에일리어싱 스위치 기법을 이용하여 오디오 신호를 인코딩/디코딩하는 장치 및 방법 |
EP2347412B1 (en) * | 2008-07-18 | 2012-10-03 | Dolby Laboratories Licensing Corporation | Method and system for frequency domain postfiltering of encoded audio data in a decoder |
CN101656580B (zh) * | 2008-08-22 | 2013-03-20 | 中兴通讯股份有限公司 | 全速率语音的处理方法和装置 |
JP2010079275A (ja) * | 2008-08-29 | 2010-04-08 | Sony Corp | 周波数帯域拡大装置及び方法、符号化装置及び方法、復号化装置及び方法、並びにプログラム |
CN101359902B (zh) * | 2008-09-25 | 2012-03-21 | 炬才微电子(深圳)有限公司 | 一种音频信号的均衡方法及*** |
JP5245714B2 (ja) * | 2008-10-24 | 2013-07-24 | ヤマハ株式会社 | 雑音抑圧装置及び雑音抑圧方法 |
RU2468451C1 (ru) | 2008-10-29 | 2012-11-27 | Долби Интернэшнл Аб | Защита от ограничения сигнала с использованием заранее существующих метаданных коэффициента усиления аудиосигнала |
WO2010075377A1 (en) | 2008-12-24 | 2010-07-01 | Dolby Laboratories Licensing Corporation | Audio signal loudness determination and modification in the frequency domain |
US8626516B2 (en) * | 2009-02-09 | 2014-01-07 | Broadcom Corporation | Method and system for dynamic range control in an audio processing system |
TWI559679B (zh) * | 2009-02-18 | 2016-11-21 | 杜比國際公司 | 低延遲調變濾波器組及用以設計該低延遲調變濾波器組之方法 |
JP4843691B2 (ja) | 2009-03-09 | 2011-12-21 | 株式会社東芝 | 信号特性変化装置 |
CN101853666B (zh) * | 2009-03-30 | 2012-04-04 | 华为技术有限公司 | 一种语音增强的方法和装置 |
CN101521014B (zh) * | 2009-04-08 | 2011-09-14 | 武汉大学 | 音频带宽扩展编解码装置 |
US8391212B2 (en) * | 2009-05-05 | 2013-03-05 | Huawei Technologies Co., Ltd. | System and method for frequency domain audio post-processing based on perceptual masking |
WO2010137650A1 (ja) * | 2009-05-29 | 2010-12-02 | シャープ株式会社 | 音声再生装置、音声再生方法及びプログラム |
US8949114B2 (en) * | 2009-06-04 | 2015-02-03 | Optis Wireless Technology, Llc | Method and arrangement for estimating the quality degradation of a processed signal |
CN101668303B (zh) * | 2009-09-24 | 2012-02-15 | 武汉中元通信股份有限公司 | 双频段宽带电台野外联试通信仿真方法与平台 |
US8571231B2 (en) * | 2009-10-01 | 2013-10-29 | Qualcomm Incorporated | Suppressing noise in an audio signal |
AU2010310041B2 (en) * | 2009-10-21 | 2013-08-15 | Dolby International Ab | Apparatus and method for generating a high frequency audio signal using adaptive oversampling |
CN101916567B (zh) * | 2009-11-23 | 2012-02-01 | 瑞声声学科技(深圳)有限公司 | 应用于双麦克风***的语音增强方法 |
WO2011072729A1 (en) * | 2009-12-16 | 2011-06-23 | Nokia Corporation | Multi-channel audio processing |
CN101800520B (zh) * | 2010-02-25 | 2013-05-22 | 青岛海信移动通信技术股份有限公司 | 自动增益控制的实现方法及实现*** |
TWI459828B (zh) * | 2010-03-08 | 2014-11-01 | Dolby Lab Licensing Corp | 在多頻道音訊中決定語音相關頻道的音量降低比例的方法及系統 |
US8616516B2 (en) | 2010-03-24 | 2013-12-31 | Intertechnique S.A. | Assembling device for cabin interior components |
CN101867809A (zh) * | 2010-04-09 | 2010-10-20 | 中国科学院光电技术研究所 | 基于脉动阵列的高速图像压缩vlsi编码方法及编码器 |
US8886523B2 (en) | 2010-04-14 | 2014-11-11 | Huawei Technologies Co., Ltd. | Audio decoding based on audio class with control code for post-processing modes |
WO2011127832A1 (en) | 2010-04-14 | 2011-10-20 | Huawei Technologies Co., Ltd. | Time/frequency two dimension post-processing |
US8964993B2 (en) * | 2010-04-27 | 2015-02-24 | Yobe, Inc. | Systems and methods for enhancing audio content |
US9275650B2 (en) | 2010-06-14 | 2016-03-01 | Panasonic Corporation | Hybrid audio encoder and hybrid audio decoder which perform coding or decoding while switching between different codecs |
CN102361506A (zh) * | 2011-06-08 | 2012-02-22 | 北京昆腾微电子有限公司 | 无线音频通信***、以及用于发射音频信号的方法和设备 |
US8913754B2 (en) * | 2011-11-30 | 2014-12-16 | Sound Enhancement Technology, Llc | System for dynamic spectral correction of audio signals to compensate for ambient noise |
CN102522092B (zh) * | 2011-12-16 | 2013-06-19 | 大连理工大学 | 一种基于g.711.1的语音带宽扩展的装置和方法 |
CN102543086B (zh) * | 2011-12-16 | 2013-08-14 | 大连理工大学 | 一种基于音频水印的语音带宽扩展的装置和方法 |
CN102625220B (zh) * | 2012-03-22 | 2014-05-07 | 清华大学 | 一种确定助听设备听力补偿增益的方法 |
CN102737647A (zh) * | 2012-07-23 | 2012-10-17 | 武汉大学 | 双声道音频音质增强编解码方法及装置 |
CN114566183A (zh) * | 2013-04-05 | 2022-05-31 | 杜比实验室特许公司 | 使用高级频谱延拓降低量化噪声的压扩装置和方法 |
WO2017080835A1 (en) * | 2015-11-10 | 2017-05-18 | Dolby International Ab | Signal-dependent companding system and method to reduce quantization noise |
CN112771610A (zh) * | 2018-08-21 | 2021-05-07 | 杜比国际公司 | 用压扩对密集瞬态事件进行译码 |
-
2014
- 2014-04-01 CN CN202210192171.3A patent/CN114566183A/zh active Pending
- 2014-04-01 EP EP14720877.1A patent/EP2981963B1/en active Active
- 2014-04-01 IL IL300496A patent/IL300496A/en unknown
- 2014-04-01 BR BR112015019176-2A patent/BR112015019176B1/pt active IP Right Grant
- 2014-04-01 EP EP19173050.6A patent/EP3564953B1/en active Active
- 2014-04-01 WO PCT/US2014/032578 patent/WO2014165543A1/en active Application Filing
- 2014-04-01 AU AU2014248232A patent/AU2014248232B2/en active Active
- 2014-04-01 KR KR1020217012568A patent/KR102509345B1/ko active IP Right Grant
- 2014-04-01 HU HUE14720877A patent/HUE031966T2/hu unknown
- 2014-04-01 EA EA201591533A patent/EA028755B9/ru not_active IP Right Cessation
- 2014-04-01 ES ES14720877.1T patent/ES2617314T3/es active Active
- 2014-04-01 KR KR1020167015588A patent/KR102088153B1/ko active IP Right Grant
- 2014-04-01 ME MEP-2017-52A patent/ME02623B/me unknown
- 2014-04-01 KR KR1020207006389A patent/KR102248008B1/ko active Application Filing
- 2014-04-01 US US14/762,690 patent/US9947335B2/en active Active
- 2014-04-01 SG SG11201506134XA patent/SG11201506134XA/en unknown
- 2014-04-01 AP AP2015008800A patent/AP2015008800A0/xx unknown
- 2014-04-01 CN CN201810160791.2A patent/CN108269584B/zh active Active
- 2014-04-01 PL PL14720877T patent/PL2981963T3/pl unknown
- 2014-04-01 MY MYPI2018001823A patent/MY197063A/en unknown
- 2014-04-01 CA CA2900724A patent/CA2900724C/en active Active
- 2014-04-01 KR KR1020237008172A patent/KR20230039765A/ko not_active Application Discontinuation
- 2014-04-01 CN CN201610364036.7A patent/CN105933030B/zh active Active
- 2014-04-01 CN CN201480008819.0A patent/CN104995680B/zh active Active
- 2014-04-01 CN CN201610333318.0A patent/CN106024008B/zh active Active
- 2014-04-01 RU RU2016116038A patent/RU2712814C2/ru active
- 2014-04-01 DK DK14720877.1T patent/DK2981963T3/en active
- 2014-04-01 MY MYPI2015702483A patent/MY173488A/en unknown
- 2014-04-01 CN CN201810160805.0A patent/CN108269586B/zh active Active
- 2014-04-01 KR KR1020227033715A patent/KR20220140002A/ko not_active Application Discontinuation
- 2014-04-01 CN CN202210192156.9A patent/CN114566182A/zh active Pending
- 2014-04-01 KR KR1020167015589A patent/KR102081043B1/ko active IP Right Grant
- 2014-04-01 EP EP16205100.7A patent/EP3176786B1/en active Active
- 2014-04-01 BR BR122017006632-3A patent/BR122017006632A2/pt not_active Application Discontinuation
- 2014-04-01 KR KR1020157022089A patent/KR101632599B1/ko active IP Right Grant
- 2014-04-01 CN CN201810160804.6A patent/CN108269585B/zh active Active
- 2014-04-01 RU RU2015133770/08A patent/RU2600527C1/ru active
- 2014-04-01 MX MX2015010478A patent/MX342965B/es active IP Right Grant
- 2014-04-01 JP JP2015558242A patent/JP6026678B2/ja active Active
-
2015
- 2015-07-19 IL IL240006A patent/IL240006A/en active IP Right Grant
- 2015-08-14 CL CL2015002278A patent/CL2015002278A1/es unknown
- 2015-12-08 HK HK18113874.4A patent/HK1254790A1/zh unknown
- 2015-12-08 HK HK15112109.6A patent/HK1211379A1/xx unknown
- 2015-12-08 HK HK18113875.3A patent/HK1254791A1/zh unknown
- 2015-12-08 HK HK19100077.5A patent/HK1257807A1/zh unknown
-
2016
- 2016-01-18 ZA ZA2016/00393A patent/ZA201600393B/en unknown
- 2016-01-19 IL IL243689A patent/IL243689A0/en active IP Right Grant
- 2016-04-07 JP JP2016076927A patent/JP6517723B2/ja active Active
- 2016-06-17 JP JP2016120633A patent/JP6542717B2/ja active Active
-
2018
- 2018-03-07 US US15/914,917 patent/US10217476B2/en active Active
- 2018-03-08 US US15/915,405 patent/US10373627B2/en active Active
- 2018-09-02 IL IL261514A patent/IL261514B/en active IP Right Grant
-
2019
- 2019-05-12 IL IL266569A patent/IL266569B/en active IP Right Grant
- 2019-06-13 JP JP2019110378A patent/JP6838105B2/ja active Active
- 2019-06-28 US US16/457,726 patent/US10679639B2/en active Active
-
2020
- 2020-04-30 IL IL274358A patent/IL274358B/en active IP Right Grant
- 2020-06-03 US US16/892,180 patent/US11423923B2/en active Active
-
2021
- 2021-02-10 JP JP2021019640A patent/JP7050976B2/ja active Active
- 2021-05-11 IL IL283098A patent/IL283098B/en unknown
-
2022
- 2022-03-29 JP JP2022052882A patent/JP7383067B2/ja active Active
- 2022-05-09 IL IL292853A patent/IL292853B2/en unknown
- 2022-08-18 US US17/820,594 patent/US20230049495A1/en active Pending
-
2023
- 2023-11-07 JP JP2023189975A patent/JP2024020311A/ja active Pending
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IL292853B1 (en) | A compression-expansion device and a method to reduce quantization noise using progressive spectral extension | |
HK1224424A1 (zh) | 應用之前實現將 頻譜衰落至白雜訊的裝置和方法 | |
ZA201601044B (en) | Apparatus and method for efficient object metadata coding | |
EP2973161A4 (en) | METHOD AND DEVICE FOR REAUTIFYING | |
EP3014421A4 (en) | Apparatus and method to accelerate compression and decompression operations | |
EP3013015A4 (en) | PACK COMPRESSION PROCESS AND DEVICE | |
HK1209893A1 (en) | Encoding method and apparatus | |
GB2513982B (en) | Apparatus and method to protect digital content | |
PL3203470T3 (pl) | Sposób dekodowania mowy i urządzenie do dekodowania mowy | |
EP2945295A4 (en) | METHOD AND DEVICE FOR CONVERTING COMMUNICATION MODES | |
EP3018871A4 (en) | COMPRESSION METHOD AND DEVICE FOR CONTENT NAMES | |
SG10201408136YA (en) | Voice output apparatus and voice output method | |
GB201300290D0 (en) | Conversion apparatus and method | |
LT3038955T (lt) | Aparatas ir būdas paneliams gaminti | |
EP2897121A4 (en) | INTERFERENCE SUPPRESSION DEVICE AND METHOD | |
TWI560699B (en) | Apparatus and method for efficient object metadata coding | |
EP2971771A4 (en) | WINDING ROD PUMPING DEVICE AND METHOD THEREFOR |