DE60134966D1 - Breitband-sprach-codec mit verschiedenen abtastraten - Google Patents
Breitband-sprach-codec mit verschiedenen abtastratenInfo
- Publication number
- DE60134966D1 DE60134966D1 DE60134966T DE60134966T DE60134966D1 DE 60134966 D1 DE60134966 D1 DE 60134966D1 DE 60134966 T DE60134966 T DE 60134966T DE 60134966 T DE60134966 T DE 60134966T DE 60134966 D1 DE60134966 D1 DE 60134966D1
- Authority
- DE
- Germany
- Prior art keywords
- abstrates
- various
- language codec
- broadband
- broadband language
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
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
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
-
- 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
- G10L19/04—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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/505,411 US6732070B1 (en) | 2000-02-16 | 2000-02-16 | Wideband speech codec using a higher sampling rate in analysis and synthesis filtering than in excitation searching |
PCT/IB2001/000134 WO2001061687A1 (en) | 2000-02-16 | 2001-02-02 | Wideband speech codec using different sampling rates |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60134966D1 true DE60134966D1 (de) | 2008-09-04 |
Family
ID=24010193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60134966T Expired - Lifetime DE60134966D1 (de) | 2000-02-16 | 2001-02-02 | Breitband-sprach-codec mit verschiedenen abtastraten |
Country Status (5)
Country | Link |
---|---|
US (1) | US6732070B1 (de) |
EP (1) | EP1273005B1 (de) |
AU (1) | AU2001228741A1 (de) |
DE (1) | DE60134966D1 (de) |
WO (1) | WO2001061687A1 (de) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7315815B1 (en) | 1999-09-22 | 2008-01-01 | Microsoft Corporation | LPC-harmonic vocoder with superframe structure |
EP1303857A1 (de) * | 2000-07-05 | 2003-04-23 | Koninklijke Philips Electronics N.V. | Verfahren zur rücktransformation von spektralen frequenzlinien nach linearer prädiktion koeffizienten |
JP3467469B2 (ja) * | 2000-10-31 | 2003-11-17 | Necエレクトロニクス株式会社 | 音声復号装置および音声復号プログラムを記録した記録媒体 |
SE0004818D0 (sv) * | 2000-12-22 | 2000-12-22 | Coding Technologies Sweden Ab | Enhancing source coding systems by adaptive transposition |
US6996522B2 (en) * | 2001-03-13 | 2006-02-07 | Industrial Technology Research Institute | Celp-Based speech coding for fine grain scalability by altering sub-frame pitch-pulse |
US6879955B2 (en) * | 2001-06-29 | 2005-04-12 | Microsoft Corporation | Signal modification based on continuous time warping for low bit rate CELP coding |
US7272555B2 (en) * | 2001-09-13 | 2007-09-18 | Industrial Technology Research Institute | Fine granularity scalability speech coding for multi-pulses CELP-based algorithm |
US6985857B2 (en) * | 2001-09-27 | 2006-01-10 | Motorola, Inc. | Method and apparatus for speech coding using training and quantizing |
ES2237706T3 (es) | 2001-11-29 | 2005-08-01 | Coding Technologies Ab | Reconstruccion de componentes de alta frecuencia. |
US7184951B2 (en) * | 2002-02-15 | 2007-02-27 | Radiodetection Limted | Methods and systems for generating phase-derivative sound |
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 |
US8879432B2 (en) * | 2002-09-27 | 2014-11-04 | Broadcom Corporation | Splitter and combiner for multiple data rate communication system |
US7283585B2 (en) | 2002-09-27 | 2007-10-16 | Broadcom Corporation | Multiple data rate communication system |
US7889783B2 (en) | 2002-12-06 | 2011-02-15 | Broadcom Corporation | Multiple data rate communication system |
EP1482482A1 (de) * | 2003-05-27 | 2004-12-01 | Siemens Aktiengesellschaft | Frequenzerweiterung für Synthesizer |
US7668712B2 (en) * | 2004-03-31 | 2010-02-23 | Microsoft Corporation | Audio encoding and decoding with intra frames and adaptive forward error correction |
BRPI0514940A (pt) * | 2004-09-06 | 2008-07-01 | Matsushita Electric Ind Co Ltd | dispositivo de codificação escalável e método de codificação escalável |
US8219391B2 (en) * | 2005-02-15 | 2012-07-10 | Raytheon Bbn Technologies Corp. | Speech analyzing system with speech codebook |
US7797156B2 (en) * | 2005-02-15 | 2010-09-14 | Raytheon Bbn Technologies Corp. | Speech analyzing system with adaptive noise codebook |
JP5129115B2 (ja) * | 2005-04-01 | 2013-01-23 | クゥアルコム・インコーポレイテッド | 高帯域バーストの抑制のためのシステム、方法、および装置 |
UA91853C2 (ru) * | 2005-04-01 | 2010-09-10 | Квелкомм Инкорпорейтед | Способ и устройство для векторного квантования спектрального представления огибающей |
TWI324336B (en) * | 2005-04-22 | 2010-05-01 | Qualcomm Inc | Method of signal processing and apparatus for gain factor smoothing |
US7831421B2 (en) * | 2005-05-31 | 2010-11-09 | Microsoft Corporation | Robust decoder |
US7177804B2 (en) * | 2005-05-31 | 2007-02-13 | Microsoft Corporation | Sub-band voice codec with multi-stage codebooks and redundant coding |
US7707034B2 (en) * | 2005-05-31 | 2010-04-27 | Microsoft Corporation | Audio codec post-filter |
JP4976381B2 (ja) * | 2006-03-31 | 2012-07-18 | パナソニック株式会社 | 音声符号化装置、音声復号化装置、およびこれらの方法 |
US7633417B1 (en) * | 2006-06-03 | 2009-12-15 | Alcatel Lucent | Device and method for enhancing the human perceptual quality of a multimedia signal |
US9454974B2 (en) * | 2006-07-31 | 2016-09-27 | Qualcomm Incorporated | Systems, methods, and apparatus for gain factor limiting |
US8005671B2 (en) * | 2006-12-04 | 2011-08-23 | Qualcomm Incorporated | Systems and methods for dynamic normalization to reduce loss in precision for low-level signals |
EP2246845A1 (de) * | 2009-04-21 | 2010-11-03 | Siemens Medical Instruments Pte. Ltd. | Verfahren und akustische Signalverarbeitungsvorrichtung zur Schätzung von linearen prädiktiven Kodierungskoeffizienten |
US8655101B2 (en) * | 2009-06-04 | 2014-02-18 | Sharp Kabushiki Kaisha | Signal processing device, control method for signal processing device, control program, and computer-readable storage medium having the control program recorded therein |
CN102598668B (zh) | 2009-11-17 | 2014-11-12 | 夏普株式会社 | 编码装置、解码装置、编码装置的控制方法、解码装置的控制方法、传送系统 |
US8824825B2 (en) | 2009-11-17 | 2014-09-02 | Sharp Kabushiki Kaisha | Decoding device with nonlinear process section, control method for the decoding device, transmission system, and computer-readable recording medium having a control program recorded thereon |
US9070361B2 (en) * | 2011-06-10 | 2015-06-30 | Google Technology Holdings LLC | Method and apparatus for encoding a wideband speech signal utilizing downmixing of a highband component |
BR112016022466B1 (pt) * | 2014-04-17 | 2020-12-08 | Voiceage Evs Llc | método para codificar um sinal sonoro, método para decodificar um sinal sonoro, dispositivo para codificar um sinal sonoro e dispositivo para decodificar um sinal sonoro |
JP6611042B2 (ja) * | 2015-12-02 | 2019-11-27 | パナソニックIpマネジメント株式会社 | 音声信号復号装置及び音声信号復号方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3715512A (en) * | 1971-12-20 | 1973-02-06 | Bell Telephone Labor Inc | Adaptive predictive speech signal coding system |
US4022974A (en) * | 1976-06-03 | 1977-05-10 | Bell Telephone Laboratories, Incorporated | Adaptive linear prediction speech synthesizer |
US4330689A (en) * | 1980-01-28 | 1982-05-18 | The United States Of America As Represented By The Secretary Of The Navy | Multirate digital voice communication processor |
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 |
TW235392B (de) * | 1992-06-02 | 1994-12-01 | Philips Electronics Nv | |
JP2779886B2 (ja) * | 1992-10-05 | 1998-07-23 | 日本電信電話株式会社 | 広帯域音声信号復元方法 |
US5455888A (en) * | 1992-12-04 | 1995-10-03 | Northern Telecom Limited | Speech bandwidth extension method and apparatus |
EP0764939B1 (de) * | 1995-09-19 | 2002-05-02 | AT&T Corp. | Synthese von Sprachsignalen in Abwesenheit kodierter Parameter |
TW307960B (en) * | 1996-02-15 | 1997-06-11 | Philips Electronics Nv | Reduced complexity signal transmission system |
US5778335A (en) * | 1996-02-26 | 1998-07-07 | The Regents Of The University Of California | Method and apparatus for efficient multiband celp wideband speech and music coding and decoding |
JP3092653B2 (ja) * | 1996-06-21 | 2000-09-25 | 日本電気株式会社 | 広帯域音声符号化装置及び音声復号装置並びに音声符号化復号装置 |
JPH10124088A (ja) * | 1996-10-24 | 1998-05-15 | Sony Corp | 音声帯域幅拡張装置及び方法 |
JP4132154B2 (ja) * | 1997-10-23 | 2008-08-13 | ソニー株式会社 | 音声合成方法及び装置、並びに帯域幅拡張方法及び装置 |
JP3199020B2 (ja) | 1998-02-27 | 2001-08-13 | 日本電気株式会社 | 音声音楽信号の符号化装置および復号装置 |
KR20000047944A (ko) | 1998-12-11 | 2000-07-25 | 이데이 노부유끼 | 수신장치 및 방법과 통신장치 및 방법 |
-
2000
- 2000-02-16 US US09/505,411 patent/US6732070B1/en not_active Expired - Fee Related
-
2001
- 2001-02-02 DE DE60134966T patent/DE60134966D1/de not_active Expired - Lifetime
- 2001-02-02 AU AU2001228741A patent/AU2001228741A1/en not_active Abandoned
- 2001-02-02 WO PCT/IB2001/000134 patent/WO2001061687A1/en active IP Right Grant
- 2001-02-02 EP EP01953037A patent/EP1273005B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1273005B1 (de) | 2008-07-23 |
EP1273005A1 (de) | 2003-01-08 |
WO2001061687A1 (en) | 2001-08-23 |
US6732070B1 (en) | 2004-05-04 |
AU2001228741A1 (en) | 2001-08-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |