DE69232202T2
(de)
*
|
1991-06-11 |
2002-07-25 |
Qualcomm Inc |
Vocoder mit veraendlicher bitrate
|
US5734789A
(en)
*
|
1992-06-01 |
1998-03-31 |
Hughes Electronics |
Voiced, unvoiced or noise modes in a CELP vocoder
|
JP3137805B2
(ja)
*
|
1993-05-21 |
2001-02-26 |
三菱電機株式会社 |
音声符号化装置、音声復号化装置、音声後処理装置及びこれらの方法
|
JP2624130B2
(ja)
*
|
1993-07-29 |
1997-06-25 |
日本電気株式会社 |
音声符号化方式
|
CA2137756C
(en)
*
|
1993-12-10 |
2000-02-01 |
Kazunori Ozawa |
Voice coder and a method for searching codebooks
|
CA2136891A1
(en)
*
|
1993-12-20 |
1995-06-21 |
Kalyan Ganesan |
Removal of swirl artifacts from celp based speech coders
|
JPH09508479A
(ja)
*
|
1994-02-01 |
1997-08-26 |
クゥアルコム・インコーポレーテッド |
バースト励起線形予測
|
US6463406B1
(en)
*
|
1994-03-25 |
2002-10-08 |
Texas Instruments Incorporated |
Fractional pitch method
|
JPH0830299A
(ja)
*
|
1994-07-19 |
1996-02-02 |
Nec Corp |
音声符号化装置
|
CA2159571C
(en)
*
|
1994-09-30 |
2000-03-14 |
Kimio Miseki |
Vector quantization apparatus
|
JP3557255B2
(ja)
*
|
1994-10-18 |
2004-08-25 |
松下電器産業株式会社 |
Lspパラメータ復号化装置及び復号化方法
|
US5727125A
(en)
*
|
1994-12-05 |
1998-03-10 |
Motorola, Inc. |
Method and apparatus for synthesis of speech excitation waveforms
|
US5774846A
(en)
*
|
1994-12-19 |
1998-06-30 |
Matsushita Electric Industrial Co., Ltd. |
Speech coding apparatus, linear prediction coefficient analyzing apparatus and noise reducing apparatus
|
US5751903A
(en)
*
|
1994-12-19 |
1998-05-12 |
Hughes Electronics |
Low rate multi-mode CELP codec that encodes line SPECTRAL frequencies utilizing an offset
|
US5680506A
(en)
*
|
1994-12-29 |
1997-10-21 |
Lucent Technologies Inc. |
Apparatus and method for speech signal analysis
|
FR2729246A1
(fr)
*
|
1995-01-06 |
1996-07-12 |
Matra Communication |
Procede de codage de parole a analyse par synthese
|
FR2729244B1
(fr)
*
|
1995-01-06 |
1997-03-28 |
Matra Communication |
Procede de codage de parole a analyse par synthese
|
FR2729245B1
(fr)
*
|
1995-01-06 |
1997-04-11 |
Lamblin Claude |
Procede de codage de parole a prediction lineaire et excitation par codes algebriques
|
FR2729247A1
(fr)
*
|
1995-01-06 |
1996-07-12 |
Matra Communication |
Procede de codage de parole a analyse par synthese
|
EP0944038B1
(en)
*
|
1995-01-17 |
2001-09-12 |
Nec Corporation |
Speech encoder with features extracted from current and previous frames
|
US5668924A
(en)
*
|
1995-01-18 |
1997-09-16 |
Olympus Optical Co. Ltd. |
Digital sound recording and reproduction device using a coding technique to compress data for reduction of memory requirements
|
JP3303580B2
(ja)
*
|
1995-02-23 |
2002-07-22 |
日本電気株式会社 |
音声符号化装置
|
US5732389A
(en)
*
|
1995-06-07 |
1998-03-24 |
Lucent Technologies Inc. |
Voiced/unvoiced classification of speech for excitation codebook selection in celp speech decoding during frame erasures
|
GB9512284D0
(en)
*
|
1995-06-16 |
1995-08-16 |
Nokia Mobile Phones Ltd |
Speech Synthesiser
|
US5781882A
(en)
*
|
1995-09-14 |
1998-07-14 |
Motorola, Inc. |
Very low bit rate voice messaging system using asymmetric voice compression processing
|
CA2188369C
(en)
*
|
1995-10-19 |
2005-01-11 |
Joachim Stegmann |
Method and an arrangement for classifying speech signals
|
JP3680380B2
(ja)
*
|
1995-10-26 |
2005-08-10 |
ソニー株式会社 |
音声符号化方法及び装置
|
JP4005154B2
(ja)
*
|
1995-10-26 |
2007-11-07 |
ソニー株式会社 |
音声復号化方法及び装置
|
US5659622A
(en)
*
|
1995-11-13 |
1997-08-19 |
Motorola, Inc. |
Method and apparatus for suppressing noise in a communication system
|
US5794199A
(en)
*
|
1996-01-29 |
1998-08-11 |
Texas Instruments Incorporated |
Method and system for improved discontinuous speech transmission
|
EP0788091A3
(en)
*
|
1996-01-31 |
1999-02-24 |
Kabushiki Kaisha Toshiba |
Speech encoding and decoding method and apparatus therefor
|
US5819224A
(en)
*
|
1996-04-01 |
1998-10-06 |
The Victoria University Of Manchester |
Split matrix quantization
|
US5794180A
(en)
*
|
1996-04-30 |
1998-08-11 |
Texas Instruments Incorporated |
Signal quantizer wherein average level replaces subframe steady-state levels
|
US5960386A
(en)
*
|
1996-05-17 |
1999-09-28 |
Janiszewski; Thomas John |
Method for adaptively controlling the pitch gain of a vocoder's adaptive codebook
|
JPH09312620A
(ja)
*
|
1996-05-23 |
1997-12-02 |
Nec Corp |
音声データ補間処理装置
|
JPH09319397A
(ja)
*
|
1996-05-28 |
1997-12-12 |
Sony Corp |
ディジタル信号処理装置
|
WO1998004046A2
(en)
*
|
1996-07-17 |
1998-01-29 |
Universite De Sherbrooke |
Enhanced encoding of dtmf and other signalling tones
|
JP2001501790A
(ja)
*
|
1996-09-25 |
2001-02-06 |
クゥアルコム・インコーポレイテッド |
復号された音声パラメータを用いる移動電話で受信された不良データパケットの検出を行う方法およびその装置
|
US7788092B2
(en)
*
|
1996-09-25 |
2010-08-31 |
Qualcomm Incorporated |
Method and apparatus for detecting bad data packets received by a mobile telephone using decoded speech parameters
|
US6014622A
(en)
|
1996-09-26 |
2000-01-11 |
Rockwell Semiconductor Systems, Inc. |
Low bit rate speech coder using adaptive open-loop subframe pitch lag estimation and vector quantization
|
GB2318029B
(en)
*
|
1996-10-01 |
2000-11-08 |
Nokia Mobile Phones Ltd |
Audio coding method and apparatus
|
US6148282A
(en)
*
|
1997-01-02 |
2000-11-14 |
Texas Instruments Incorporated |
Multimodal code-excited linear prediction (CELP) coder and method using peakiness measure
|
JP3064947B2
(ja)
*
|
1997-03-26 |
2000-07-12 |
日本電気株式会社 |
音声・楽音符号化及び復号化装置
|
KR100198476B1
(ko)
*
|
1997-04-23 |
1999-06-15 |
윤종용 |
노이즈에 견고한 스펙트럼 포락선 양자화기 및 양자화 방법
|
US5946650A
(en)
*
|
1997-06-19 |
1999-08-31 |
Tritech Microelectronics, Ltd. |
Efficient pitch estimation method
|
US5924062A
(en)
*
|
1997-07-01 |
1999-07-13 |
Nokia Mobile Phones |
ACLEP codec with modified autocorrelation matrix storage and search
|
US6266419B1
(en)
*
|
1997-07-03 |
2001-07-24 |
At&T Corp. |
Custom character-coding compression for encoding and watermarking media content
|
US6058359A
(en)
*
|
1998-03-04 |
2000-05-02 |
Telefonaktiebolaget L M Ericsson |
Speech coding including soft adaptability feature
|
CN1124590C
(zh)
*
|
1997-09-10 |
2003-10-15 |
三星电子株式会社 |
改善话音信号编码器性能的方法
|
JP3263347B2
(ja)
*
|
1997-09-20 |
2002-03-04 |
松下電送システム株式会社 |
音声符号化装置及び音声符号化におけるピッチ予測方法
|
US6253173B1
(en)
*
|
1997-10-20 |
2001-06-26 |
Nortel Networks Corporation |
Split-vector quantization for speech signal involving out-of-sequence regrouping of sub-vectors
|
US5966688A
(en)
*
|
1997-10-28 |
1999-10-12 |
Hughes Electronics Corporation |
Speech mode based multi-stage vector quantizer
|
IL136722A0
(en)
|
1997-12-24 |
2001-06-14 |
Mitsubishi Electric Corp |
A method for speech coding, method for speech decoding and their apparatuses
|
US6182033B1
(en)
*
|
1998-01-09 |
2001-01-30 |
At&T Corp. |
Modular approach to speech enhancement with an application to speech coding
|
US7392180B1
(en)
*
|
1998-01-09 |
2008-06-24 |
At&T Corp. |
System and method of coding sound signals using sound enhancement
|
US6104994A
(en)
*
|
1998-01-13 |
2000-08-15 |
Conexant Systems, Inc. |
Method for speech coding under background noise conditions
|
JP3618217B2
(ja)
*
|
1998-02-26 |
2005-02-09 |
パイオニア株式会社 |
音声のピッチ符号化方法及び音声のピッチ符号化装置並びに音声のピッチ符号化プログラムが記録された記録媒体
|
US6823013B1
(en)
*
|
1998-03-23 |
2004-11-23 |
International Business Machines Corporation |
Multiple encoder architecture for extended search
|
US6470309B1
(en)
*
|
1998-05-08 |
2002-10-22 |
Texas Instruments Incorporated |
Subframe-based correlation
|
US6810377B1
(en)
*
|
1998-06-19 |
2004-10-26 |
Comsat Corporation |
Lost frame recovery techniques for parametric, LPC-based speech coding systems
|
US6173254B1
(en)
*
|
1998-08-18 |
2001-01-09 |
Denso Corporation, Ltd. |
Recorded message playback system for a variable bit rate system
|
US6240386B1
(en)
*
|
1998-08-24 |
2001-05-29 |
Conexant Systems, Inc. |
Speech codec employing noise classification for noise compensation
|
US7072832B1
(en)
*
|
1998-08-24 |
2006-07-04 |
Mindspeed Technologies, Inc. |
System for speech encoding having an adaptive encoding arrangement
|
US6507814B1
(en)
*
|
1998-08-24 |
2003-01-14 |
Conexant Systems, Inc. |
Pitch determination using speech classification and prior pitch estimation
|
US7117146B2
(en)
*
|
1998-08-24 |
2006-10-03 |
Mindspeed Technologies, Inc. |
System for improved use of pitch enhancement with subcodebooks
|
FR2783651A1
(fr)
*
|
1998-09-22 |
2000-03-24 |
Koninkl Philips Electronics Nv |
Dispositif et procede de filtrage d'un signal de parole, recepteur et systeme de communications telephonique
|
US6182030B1
(en)
|
1998-12-18 |
2001-01-30 |
Telefonaktiebolaget Lm Ericsson (Publ) |
Enhanced coding to improve coded communication signals
|
US6691084B2
(en)
|
1998-12-21 |
2004-02-10 |
Qualcomm Incorporated |
Multiple mode variable rate speech coding
|
US6311154B1
(en)
|
1998-12-30 |
2001-10-30 |
Nokia Mobile Phones Limited |
Adaptive windows for analysis-by-synthesis CELP-type speech coding
|
US6377914B1
(en)
|
1999-03-12 |
2002-04-23 |
Comsat Corporation |
Efficient quantization of speech spectral amplitudes based on optimal interpolation technique
|
US6493664B1
(en)
|
1999-04-05 |
2002-12-10 |
Hughes Electronics Corporation |
Spectral magnitude modeling and quantization in a frequency domain interpolative speech codec system
|
JP4464488B2
(ja)
*
|
1999-06-30 |
2010-05-19 |
パナソニック株式会社 |
音声復号化装置及び符号誤り補償方法、音声復号化方法
|
US6704701B1
(en)
*
|
1999-07-02 |
2004-03-09 |
Mindspeed Technologies, Inc. |
Bi-directional pitch enhancement in speech coding systems
|
US7092881B1
(en)
*
|
1999-07-26 |
2006-08-15 |
Lucent Technologies Inc. |
Parametric speech codec for representing synthetic speech in the presence of background noise
|
US6574593B1
(en)
*
|
1999-09-22 |
2003-06-03 |
Conexant Systems, Inc. |
Codebook tables for encoding and decoding
|
US6782360B1
(en)
*
|
1999-09-22 |
2004-08-24 |
Mindspeed Technologies, Inc. |
Gain quantization for a CELP speech coder
|
US6826527B1
(en)
*
|
1999-11-23 |
2004-11-30 |
Texas Instruments Incorporated |
Concealment of frame erasures and method
|
KR20010113780A
(ko)
*
|
2000-02-10 |
2001-12-28 |
요트.게.아. 롤페즈 |
피치 변화 검출로 에러 정정하는 방법
|
JP2001318694A
(ja)
*
|
2000-05-10 |
2001-11-16 |
Toshiba Corp |
信号処理装置、信号処理方法および記録媒体
|
US6564182B1
(en)
*
|
2000-05-12 |
2003-05-13 |
Conexant Systems, Inc. |
Look-ahead pitch determination
|
US6587816B1
(en)
*
|
2000-07-14 |
2003-07-01 |
International Business Machines Corporation |
Fast frequency-domain pitch estimation
|
US7013268B1
(en)
|
2000-07-25 |
2006-03-14 |
Mindspeed Technologies, Inc. |
Method and apparatus for improved weighting filters in a CELP encoder
|
US7133823B2
(en)
*
|
2000-09-15 |
2006-11-07 |
Mindspeed Technologies, Inc. |
System for an adaptive excitation pattern for speech coding
|
EP1199812A1
(en)
*
|
2000-10-20 |
2002-04-24 |
Telefonaktiebolaget Lm Ericsson |
Perceptually improved encoding of acoustic signals
|
US7606703B2
(en)
*
|
2000-11-15 |
2009-10-20 |
Texas Instruments Incorporated |
Layered celp system and method with varying perceptual filter or short-term postfilter strengths
|
KR100910282B1
(ko)
*
|
2000-11-30 |
2009-08-03 |
파나소닉 주식회사 |
Lpc 파라미터의 벡터 양자화 장치, lpc 파라미터복호화 장치, 기록 매체, 음성 부호화 장치, 음성 복호화장치, 음성 신호 송신 장치, 및 음성 신호 수신 장치
|
JP3907161B2
(ja)
*
|
2001-06-29 |
2007-04-18 |
インターナショナル・ビジネス・マシーンズ・コーポレーション |
キーワード検索方法、キーワード検索端末、コンピュータプログラム
|
US7272555B2
(en)
*
|
2001-09-13 |
2007-09-18 |
Industrial Technology Research Institute |
Fine granularity scalability speech coding for multi-pulses CELP-based algorithm
|
US6823011B2
(en)
*
|
2001-11-19 |
2004-11-23 |
Mitsubishi Electric Research Laboratories, Inc. |
Unusual event detection using motion activity descriptors
|
US7054807B2
(en)
*
|
2002-11-08 |
2006-05-30 |
Motorola, Inc. |
Optimizing encoder for efficiently determining analysis-by-synthesis codebook-related parameters
|
EP1579427A4
(en)
|
2003-01-09 |
2007-05-16 |
Dilithium Networks Pty Ltd |
METHOD AND APPARATUS FOR IMPROVING THE QUALITY OF VOICE TRANSCODING
|
EP1513137A1
(en)
*
|
2003-08-22 |
2005-03-09 |
MicronasNIT LCC, Novi Sad Institute of Information Technologies |
Speech processing system and method with multi-pulse excitation
|
FR2867649A1
(fr)
*
|
2003-12-10 |
2005-09-16 |
France Telecom |
Procede de codage multiple optimise
|
US7307802B2
(en)
|
2004-06-07 |
2007-12-11 |
Fluidigm Corporation |
Optical lens system and method for microfluidic devices
|
DE102005000828A1
(de)
|
2005-01-05 |
2006-07-13 |
Siemens Ag |
Verfahren zum Codieren eines analogen Signals
|
US20060217983A1
(en)
*
|
2005-03-28 |
2006-09-28 |
Tellabs Operations, Inc. |
Method and apparatus for injecting comfort noise in a communications system
|
US20060215683A1
(en)
*
|
2005-03-28 |
2006-09-28 |
Tellabs Operations, Inc. |
Method and apparatus for voice quality enhancement
|
US20070160154A1
(en)
*
|
2005-03-28 |
2007-07-12 |
Sukkar Rafid A |
Method and apparatus for injecting comfort noise in a communications signal
|
US20060217988A1
(en)
*
|
2005-03-28 |
2006-09-28 |
Tellabs Operations, Inc. |
Method and apparatus for adaptive level control
|
US20060217972A1
(en)
*
|
2005-03-28 |
2006-09-28 |
Tellabs Operations, Inc. |
Method and apparatus for modifying an encoded signal
|
US20060217970A1
(en)
*
|
2005-03-28 |
2006-09-28 |
Tellabs Operations, Inc. |
Method and apparatus for noise reduction
|
US9058812B2
(en)
*
|
2005-07-27 |
2015-06-16 |
Google Technology Holdings LLC |
Method and system for coding an information signal using pitch delay contour adjustment
|
US8032369B2
(en)
*
|
2006-01-20 |
2011-10-04 |
Qualcomm Incorporated |
Arbitrary average data rates for variable rate coders
|
US8346544B2
(en)
*
|
2006-01-20 |
2013-01-01 |
Qualcomm Incorporated |
Selection of encoding modes and/or encoding rates for speech compression with closed loop re-decision
|
US8090573B2
(en)
*
|
2006-01-20 |
2012-01-03 |
Qualcomm Incorporated |
Selection of encoding modes and/or encoding rates for speech compression with open loop re-decision
|
DE602006015712D1
(de)
*
|
2006-03-20 |
2010-09-02 |
Mindspeed Tech Inc |
Tonhöhen-track-glättung in offener schleife
|
MY152845A
(en)
*
|
2006-10-24 |
2014-11-28 |
Voiceage Corp |
Method and device for coding transition frames in speech signals
|
KR101449431B1
(ko)
*
|
2007-10-09 |
2014-10-14 |
삼성전자주식회사 |
계층형 광대역 오디오 신호의 부호화 방법 및 장치
|
US20090182556A1
(en)
*
|
2007-10-24 |
2009-07-16 |
Red Shift Company, Llc |
Pitch estimation and marking of a signal representing speech
|
US20100208777A1
(en)
*
|
2009-02-17 |
2010-08-19 |
Adc Telecommunications, Inc. |
Distributed antenna system using gigabit ethernet physical layer device
|
ES2453098T3
(es)
*
|
2009-10-20 |
2014-04-04 |
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. |
Códec multimodo de audio
|
WO2011142709A2
(en)
*
|
2010-05-11 |
2011-11-17 |
Telefonaktiebolaget Lm Ericsson (Publ) |
Method and arrangement for processing of audio signals
|
EP2593937B1
(en)
|
2010-07-16 |
2015-11-11 |
Telefonaktiebolaget LM Ericsson (publ) |
Audio encoder and decoder and methods for encoding and decoding an audio signal
|
ES2950794T3
(es)
*
|
2011-12-21 |
2023-10-13 |
Huawei Tech Co Ltd |
Detección y codificación de altura tonal muy débil
|
US9263053B2
(en)
*
|
2012-04-04 |
2016-02-16 |
Google Technology Holdings LLC |
Method and apparatus for generating a candidate code-vector to code an informational signal
|
US9070356B2
(en)
*
|
2012-04-04 |
2015-06-30 |
Google Technology Holdings LLC |
Method and apparatus for generating a candidate code-vector to code an informational signal
|
EP3444818B1
(en)
|
2012-10-05 |
2023-04-19 |
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. |
An apparatus for encoding a speech signal employing acelp in the autocorrelation domain
|
CN103928031B
(zh)
|
2013-01-15 |
2016-03-30 |
华为技术有限公司 |
编码方法、解码方法、编码装置和解码装置
|
WO2014207752A1
(en)
*
|
2013-06-27 |
2014-12-31 |
Hewlett-Packard Development Company, L.P. |
Authenticating user by correlating speech and corresponding lip shape
|