ZA200101666B - An adaptive criterion for speech coding. - Google Patents
An adaptive criterion for speech coding.Info
- Publication number
- ZA200101666B ZA200101666B ZA200101666A ZA200101666A ZA200101666B ZA 200101666 B ZA200101666 B ZA 200101666B ZA 200101666 A ZA200101666 A ZA 200101666A ZA 200101666 A ZA200101666 A ZA 200101666A ZA 200101666 B ZA200101666 B ZA 200101666B
- Authority
- ZA
- South Africa
- Prior art keywords
- speech coding
- adaptive criterion
- adaptive
- criterion
- speech
- Prior art date
Links
- 230000003044 adaptive 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
- 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
- G10L19/04—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 predictive techniques
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] 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
- G10L19/04—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 predictive techniques
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/083—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being an excitation gain
-
- 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
- G10L2019/0001—Codebooks
- G10L2019/0003—Backward prediction of gain
-
- 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
- G10L25/93—Discriminating between voiced and unvoiced parts of speech signals
- G10L2025/935—Mixed voiced class; Transitions
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/144,961 US6192335B1 (en) | 1998-09-01 | 1998-09-01 | Adaptive combining of multi-mode coding for voiced speech and noise-like signals |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA200101666B true ZA200101666B (en) | 2001-09-25 |
Family
ID=22510960
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA200101666A ZA200101666B (en) | 1998-09-01 | 2001-02-28 | An adaptive criterion for speech coding. |
Country Status (15)
Country | Link |
---|---|
US (1) | US6192335B1 (zh) |
EP (1) | EP1114414B1 (zh) |
JP (1) | JP3483853B2 (zh) |
KR (1) | KR100421648B1 (zh) |
CN (1) | CN1192357C (zh) |
AR (1) | AR027812A1 (zh) |
AU (1) | AU774998B2 (zh) |
BR (1) | BR9913292B1 (zh) |
CA (1) | CA2342353C (zh) |
DE (1) | DE69906330T2 (zh) |
MY (1) | MY123316A (zh) |
RU (1) | RU2223555C2 (zh) |
TW (1) | TW440812B (zh) |
WO (1) | WO2000013174A1 (zh) |
ZA (1) | ZA200101666B (zh) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0005515D0 (en) * | 2000-03-08 | 2000-04-26 | Univ Glasgow | Improved vector quantization of images |
WO2001084536A1 (de) | 2000-04-28 | 2001-11-08 | Deutsche Telekom Ag | Verfahren zur berechnung einer sprachaktivitätsentscheidung (voice activity detector) |
DE10026904A1 (de) * | 2000-04-28 | 2002-01-03 | Deutsche Telekom Ag | Verfahren zur Berechnung des die Lautstärke mitbestimmenden Verstärkungsfaktors für ein codiert übertragenes Sprachsignal |
US20030028386A1 (en) * | 2001-04-02 | 2003-02-06 | Zinser Richard L. | Compressed domain universal transcoder |
DE10124420C1 (de) * | 2001-05-18 | 2002-11-28 | Siemens Ag | Verfahren zur Codierung und zur Übertragung von Sprachsignalen |
FR2867649A1 (fr) * | 2003-12-10 | 2005-09-16 | France Telecom | Procede de codage multiple optimise |
CN100358534C (zh) * | 2005-11-21 | 2008-01-02 | 北京百林康源生物技术有限责任公司 | 错位双链寡核苷酸在制备治疗禽流感病毒感染的药物中的应用 |
US8532984B2 (en) | 2006-07-31 | 2013-09-10 | Qualcomm Incorporated | Systems, methods, and apparatus for wideband encoding and decoding of active frames |
DK2102619T3 (en) * | 2006-10-24 | 2017-05-15 | Voiceage Corp | METHOD AND DEVICE FOR CODING TRANSITION FRAMEWORK IN SPEECH SIGNALS |
CN101192411B (zh) * | 2007-12-27 | 2010-06-02 | 北京中星微电子有限公司 | 大距离麦克风阵列噪声消除的方法和噪声消除系统 |
JP5425067B2 (ja) * | 2008-06-27 | 2014-02-26 | パナソニック株式会社 | 音響信号復号装置および音響信号復号装置におけるバランス調整方法 |
JP5701299B2 (ja) * | 2009-09-02 | 2015-04-15 | アップル インコーポレイテッド | コードワードのインデックスを送信する方法及び装置 |
JP6073215B2 (ja) * | 2010-04-14 | 2017-02-01 | ヴォイスエイジ・コーポレーション | Celp符号器および復号器で使用するための柔軟で拡張性のある複合革新コードブック |
EP3058568B1 (en) | 2013-10-18 | 2021-01-13 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung E.V. | Concept for encoding an audio signal and decoding an audio signal using speech related spectral shaping information |
SG11201603041YA (en) | 2013-10-18 | 2016-05-30 | Fraunhofer Ges Forschung | Concept for encoding an audio signal and decoding an audio signal using deterministic and noise like information |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4969193A (en) * | 1985-08-29 | 1990-11-06 | Scott Instruments Corporation | Method and apparatus for generating a signal transformation and the use thereof in signal processing |
US5060269A (en) | 1989-05-18 | 1991-10-22 | General Electric Company | Hybrid switched multi-pulse/stochastic speech coding technique |
US5255339A (en) | 1991-07-19 | 1993-10-19 | Motorola, Inc. | Low bit rate vocoder means and method |
US5657418A (en) | 1991-09-05 | 1997-08-12 | Motorola, Inc. | Provision of speech coder gain information using multiple coding modes |
WO1994025959A1 (en) | 1993-04-29 | 1994-11-10 | Unisearch Limited | Use of an auditory model to improve quality or lower the bit rate of speech synthesis systems |
DE69430872T2 (de) * | 1993-12-16 | 2003-02-20 | Voice Compression Technologies | System und verfahren zur sprachkompression |
US5517595A (en) * | 1994-02-08 | 1996-05-14 | At&T Corp. | Decomposition in noise and periodic signal waveforms in waveform interpolation |
US5715365A (en) * | 1994-04-04 | 1998-02-03 | Digital Voice Systems, Inc. | Estimation of excitation parameters |
US5602959A (en) * | 1994-12-05 | 1997-02-11 | Motorola, Inc. | Method and apparatus for characterization and reconstruction of speech excitation waveforms |
FR2729247A1 (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 |
FR2729246A1 (fr) * | 1995-01-06 | 1996-07-12 | Matra Communication | Procede de codage de parole a analyse par synthese |
AU696092B2 (en) * | 1995-01-12 | 1998-09-03 | Digital Voice Systems, Inc. | Estimation of excitation parameters |
US5649051A (en) * | 1995-06-01 | 1997-07-15 | Rothweiler; Joseph Harvey | Constant data rate speech encoder for limited bandwidth path |
US5668925A (en) * | 1995-06-01 | 1997-09-16 | Martin Marietta Corporation | Low data rate speech encoder with mixed excitation |
FR2739995B1 (fr) | 1995-10-13 | 1997-12-12 | Massaloux Dominique | Procede et dispositif de creation d'un bruit de confort dans un systeme de transmission numerique de parole |
US5819224A (en) * | 1996-04-01 | 1998-10-06 | The Victoria University Of Manchester | Split matrix quantization |
JPH10105195A (ja) * | 1996-09-27 | 1998-04-24 | Sony Corp | ピッチ検出方法、音声信号符号化方法および装置 |
US6148282A (en) | 1997-01-02 | 2000-11-14 | Texas Instruments Incorporated | Multimodal code-excited linear prediction (CELP) coder and method using peakiness measure |
-
1998
- 1998-09-01 US US09/144,961 patent/US6192335B1/en not_active Expired - Lifetime
-
1999
- 1999-08-06 RU RU2001108584/09A patent/RU2223555C2/ru active
- 1999-08-06 CN CNB99812785XA patent/CN1192357C/zh not_active Expired - Lifetime
- 1999-08-06 EP EP99946485A patent/EP1114414B1/en not_active Expired - Lifetime
- 1999-08-06 WO PCT/SE1999/001350 patent/WO2000013174A1/en active IP Right Grant
- 1999-08-06 BR BRPI9913292-3A patent/BR9913292B1/pt active IP Right Grant
- 1999-08-06 DE DE69906330T patent/DE69906330T2/de not_active Expired - Lifetime
- 1999-08-06 JP JP2000568079A patent/JP3483853B2/ja not_active Expired - Lifetime
- 1999-08-06 AU AU58887/99A patent/AU774998B2/en not_active Expired
- 1999-08-06 KR KR10-2001-7002609A patent/KR100421648B1/ko not_active IP Right Cessation
- 1999-08-06 CA CA002342353A patent/CA2342353C/en not_active Expired - Lifetime
- 1999-08-16 TW TW088113965A patent/TW440812B/zh not_active IP Right Cessation
- 1999-08-19 MY MYPI99003552A patent/MY123316A/en unknown
- 1999-08-31 AR ARP990104361A patent/AR027812A1/es active IP Right Grant
-
2001
- 2001-02-28 ZA ZA200101666A patent/ZA200101666B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
AU774998B2 (en) | 2004-07-15 |
BR9913292B1 (pt) | 2013-04-09 |
BR9913292A (pt) | 2001-09-25 |
TW440812B (en) | 2001-06-16 |
US6192335B1 (en) | 2001-02-20 |
RU2223555C2 (ru) | 2004-02-10 |
JP3483853B2 (ja) | 2004-01-06 |
DE69906330D1 (de) | 2003-04-30 |
CN1325529A (zh) | 2001-12-05 |
MY123316A (en) | 2006-05-31 |
EP1114414B1 (en) | 2003-03-26 |
CN1192357C (zh) | 2005-03-09 |
AR027812A1 (es) | 2003-04-16 |
JP2002524760A (ja) | 2002-08-06 |
KR20010073069A (ko) | 2001-07-31 |
CA2342353C (en) | 2009-10-20 |
WO2000013174A1 (en) | 2000-03-09 |
DE69906330T2 (de) | 2003-11-27 |
AU5888799A (en) | 2000-03-21 |
EP1114414A1 (en) | 2001-07-11 |
CA2342353A1 (en) | 2000-03-09 |
KR100421648B1 (ko) | 2004-03-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU2001287972A1 (en) | System for speech encoding having an adaptive encoding arrangement | |
US6032979C1 (en) | Adaptive output inflator | |
IL134122A0 (en) | Speech coders | |
AU2427099A (en) | Speech coding | |
AU3122900A (en) | Adaptive pre-emphasis technique | |
ZA200006011B (en) | Object recognition method. | |
GB9921422D0 (en) | Speech recognition system | |
ZA996185B (en) | Sulfanylsilanes. | |
EP1116224A4 (en) | NOISE CANCELING FOR LOW BIT RATE VOICE ENCODER | |
ZA200005136B (en) | Dihydropyrimides. | |
ZA995673B (en) | Fungicidal trifluoromethylalkylamino-triazolopyrimidines. | |
HK1032682A1 (en) | Switching regulator. | |
AU2756299A (en) | Speech coding including soft adaptability feature | |
DK33698A (da) | Adaptiv kodningsfremgangsmåde | |
MXPA01002514A (es) | Reconocedor de voz. | |
AU9164998A (en) | Speech coding | |
ZA200101666B (en) | An adaptive criterion for speech coding. | |
HK1117629A1 (en) | Speech decoding | |
AU2001267602A1 (en) | Speech coding | |
ZA972071B (en) | Underwater installation. | |
AU1537899A (en) | Method for speech coding under background noise conditions | |
ZA992443B (en) | Hydroxy-methyl-hexanones. | |
DE69620586T2 (de) | Adaptive Konturenkodierung | |
GB2340703B (en) | Adaptive coding with adaptive speed | |
GB9822573D0 (en) | Block adaptive quantisation |