EP1989706A2 - Dispositif de ponderation perceptuelle en codage/decodage audio - Google Patents
Dispositif de ponderation perceptuelle en codage/decodage audioInfo
- Publication number
- EP1989706A2 EP1989706A2 EP07731586A EP07731586A EP1989706A2 EP 1989706 A2 EP1989706 A2 EP 1989706A2 EP 07731586 A EP07731586 A EP 07731586A EP 07731586 A EP07731586 A EP 07731586A EP 1989706 A2 EP1989706 A2 EP 1989706A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- perceptual weighting
- filter
- band
- gain compensation
- signal
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
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)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0650538 | 2006-02-14 | ||
PCT/FR2007/050760 WO2007093726A2 (fr) | 2006-02-14 | 2007-02-07 | Dispositif de ponderation perceptuelle en codage/decodage audio |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1989706A2 true EP1989706A2 (fr) | 2008-11-12 |
EP1989706B1 EP1989706B1 (fr) | 2011-10-26 |
Family
ID=36952401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07731586A Not-in-force EP1989706B1 (fr) | 2006-02-14 | 2007-02-07 | Dispositif de ponderation perceptuelle en codage/decodage audio |
Country Status (7)
Country | Link |
---|---|
US (1) | US8260620B2 (fr) |
EP (1) | EP1989706B1 (fr) |
JP (1) | JP5117407B2 (fr) |
KR (1) | KR101366124B1 (fr) |
CN (1) | CN101385079B (fr) |
AT (1) | ATE531037T1 (fr) |
WO (1) | WO2007093726A2 (fr) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
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US7461106B2 (en) * | 2006-09-12 | 2008-12-02 | Motorola, Inc. | Apparatus and method for low complexity combinatorial coding of signals |
GB2448201A (en) * | 2007-04-04 | 2008-10-08 | Zarlink Semiconductor Inc | Cancelling non-linear echo during full duplex communication in a hands free communication system. |
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 |
US20090234642A1 (en) * | 2008-03-13 | 2009-09-17 | Motorola, Inc. | Method and Apparatus for Low Complexity Combinatorial Coding of Signals |
US8639519B2 (en) * | 2008-04-09 | 2014-01-28 | Motorola Mobility Llc | Method and apparatus for selective signal coding based on core encoder performance |
ES2539304T3 (es) * | 2008-07-11 | 2015-06-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Un aparato y un método para generar datos de salida por ampliación de ancho de banda |
MX2011000370A (es) * | 2008-07-11 | 2011-03-15 | Fraunhofer Ges Forschung | Un aparato y un metodo para decodificar una señal de audio codificada. |
KR101170466B1 (ko) | 2008-07-29 | 2012-08-03 | 한국전자통신연구원 | Mdct 영역에서의 후처리 방법, 및 장치 |
ES2671711T3 (es) * | 2008-09-18 | 2018-06-08 | Electronics And Telecommunications Research Institute | Aparato de codificación y aparato de decodificación para transformar entre codificador basado en transformada de coseno discreta modificada y hetero codificador |
FR2938688A1 (fr) * | 2008-11-18 | 2010-05-21 | France Telecom | Codage avec mise en forme du bruit dans un codeur hierarchique |
US8175888B2 (en) * | 2008-12-29 | 2012-05-08 | Motorola Mobility, Inc. | Enhanced layered gain factor balancing within a multiple-channel audio coding system |
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 |
US8200496B2 (en) * | 2008-12-29 | 2012-06-12 | Motorola Mobility, Inc. | Audio signal decoder and method for producing a scaled reconstructed audio signal |
EP2502229B1 (fr) * | 2009-11-19 | 2017-08-09 | Telefonaktiebolaget LM Ericsson (publ) | Procédés et agencements de compensation du volume et de la netteté dans des codecs audio |
US8423355B2 (en) * | 2010-03-05 | 2013-04-16 | Motorola Mobility Llc | Encoder for audio signal including generic audio and speech frames |
US8428936B2 (en) * | 2010-03-05 | 2013-04-23 | Motorola Mobility Llc | Decoder for audio signal including generic audio and speech frames |
CN102223527B (zh) * | 2010-04-13 | 2013-04-17 | 华为技术有限公司 | 频带加权量化编解码方法和装置 |
KR101747917B1 (ko) | 2010-10-18 | 2017-06-15 | 삼성전자주식회사 | 선형 예측 계수를 양자화하기 위한 저복잡도를 가지는 가중치 함수 결정 장치 및 방법 |
FR2969360A1 (fr) * | 2010-12-16 | 2012-06-22 | France Telecom | Codage perfectionne d'un etage d'amelioration dans un codeur hierarchique |
US9037456B2 (en) * | 2011-07-26 | 2015-05-19 | Google Technology Holdings LLC | Method and apparatus for audio coding and decoding |
JP5737077B2 (ja) * | 2011-08-30 | 2015-06-17 | 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 |
US8712076B2 (en) | 2012-02-08 | 2014-04-29 | Dolby Laboratories Licensing Corporation | Post-processing including median filtering of noise suppression gains |
US9173025B2 (en) | 2012-02-08 | 2015-10-27 | Dolby Laboratories Licensing Corporation | Combined suppression of noise, echo, and out-of-location signals |
US9129600B2 (en) | 2012-09-26 | 2015-09-08 | Google Technology Holdings LLC | Method and apparatus for encoding an audio signal |
FR3008533A1 (fr) * | 2013-07-12 | 2015-01-16 | Orange | Facteur d'echelle optimise pour l'extension de bande de frequence dans un decodeur de signaux audiofrequences |
CN105493182B (zh) * | 2013-08-28 | 2020-01-21 | 杜比实验室特许公司 | 混合波形编码和参数编码语音增强 |
FR3011408A1 (fr) * | 2013-09-30 | 2015-04-03 | Orange | Re-echantillonnage d'un signal audio pour un codage/decodage a bas retard |
CN113206773B (zh) | 2014-12-23 | 2024-01-12 | 杜比实验室特许公司 | 与语音质量估计相关的改进方法和设备 |
WO2017050398A1 (fr) | 2015-09-25 | 2017-03-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codeur, décodeur et procédés pour la commutation avec adaptation au signal du rapport de chevauchement dans le codage audio par transformation |
EP3288031A1 (fr) | 2016-08-23 | 2018-02-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Appareil et procédé pour coder un signal audio à l'aide d'une valeur de compensation |
US20190051286A1 (en) * | 2017-08-14 | 2019-02-14 | Microsoft Technology Licensing, Llc | Normalization of high band signals in network telephony communications |
WO2020146867A1 (fr) * | 2019-01-13 | 2020-07-16 | Huawei Technologies Co., Ltd. | Codage audio à haute résolution |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5371853A (en) * | 1991-10-28 | 1994-12-06 | University Of Maryland At College Park | Method and system for CELP speech coding and codebook for use therewith |
JP3139602B2 (ja) * | 1995-03-24 | 2001-03-05 | 日本電信電話株式会社 | 音響信号符号化方法及び復号化方法 |
FR2734389B1 (fr) * | 1995-05-17 | 1997-07-18 | Proust Stephane | Procede d'adaptation du niveau de masquage du bruit dans un codeur de parole a analyse par synthese utilisant un filtre de ponderation perceptuelle a court terme |
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 |
KR100261253B1 (ko) * | 1997-04-02 | 2000-07-01 | 윤종용 | 비트율 조절이 가능한 오디오 부호화/복호화 방법및 장치 |
US6182031B1 (en) * | 1998-09-15 | 2001-01-30 | Intel Corp. | Scalable audio coding system |
EP1052622B1 (fr) * | 1999-05-11 | 2007-07-11 | Nippon Telegraph and Telephone Corporation | Sélection d'un filtre de synthèse pour le codage de type CELP de signaux audio à large bande passante |
US6691082B1 (en) | 1999-08-03 | 2004-02-10 | Lucent Technologies Inc | Method and system for sub-band hybrid coding |
US6446037B1 (en) * | 1999-08-09 | 2002-09-03 | Dolby Laboratories Licensing Corporation | Scalable coding method for high quality audio |
CA2290037A1 (fr) * | 1999-11-18 | 2001-05-18 | Voiceage Corporation | Dispositif amplificateur a lissage du gain et methode pour codecs de signaux audio et de parole a large bande |
US20010047310A1 (en) | 2000-03-27 | 2001-11-29 | Russell Randall A. | School commerce system and method |
AU2001245418A1 (en) | 2000-03-28 | 2001-10-08 | Tellabs Operations, Inc. | Perceptual spectral weighting of frequency bands for adaptive noise cancellation |
US6523003B1 (en) * | 2000-03-28 | 2003-02-18 | Tellabs Operations, Inc. | Spectrally interdependent gain adjustment techniques |
EP1467350B1 (fr) * | 2001-12-25 | 2009-01-14 | NTT DoCoMo, Inc. | Codage de signaux |
US7283966B2 (en) * | 2002-03-07 | 2007-10-16 | Microsoft Corporation | Scalable audio communications utilizing rate-distortion based end-to-end bit allocation |
KR100711989B1 (ko) * | 2002-03-12 | 2007-05-02 | 노키아 코포레이션 | 효율적으로 개선된 스케일러블 오디오 부호화 |
US7502743B2 (en) * | 2002-09-04 | 2009-03-10 | Microsoft Corporation | Multi-channel audio encoding and decoding with multi-channel transform selection |
US20040098255A1 (en) * | 2002-11-14 | 2004-05-20 | France Telecom | Generalized analysis-by-synthesis speech coding method, and coder implementing such method |
US7392195B2 (en) * | 2004-03-25 | 2008-06-24 | Dts, Inc. | Lossless multi-channel audio codec |
US7676043B1 (en) * | 2005-02-28 | 2010-03-09 | Texas Instruments Incorporated | Audio bandwidth expansion |
US7177804B2 (en) * | 2005-05-31 | 2007-02-13 | Microsoft Corporation | Sub-band voice codec with multi-stage codebooks and redundant coding |
-
2007
- 2007-02-07 KR KR1020087021500A patent/KR101366124B1/ko active IP Right Grant
- 2007-02-07 US US12/279,493 patent/US8260620B2/en not_active Expired - Fee Related
- 2007-02-07 AT AT07731586T patent/ATE531037T1/de not_active IP Right Cessation
- 2007-02-07 WO PCT/FR2007/050760 patent/WO2007093726A2/fr active Application Filing
- 2007-02-07 JP JP2008554819A patent/JP5117407B2/ja not_active Expired - Fee Related
- 2007-02-07 CN CN200780005513XA patent/CN101385079B/zh not_active Expired - Fee Related
- 2007-02-07 EP EP07731586A patent/EP1989706B1/fr not_active Not-in-force
Non-Patent Citations (1)
Title |
---|
See references of WO2007093726A2 * |
Also Published As
Publication number | Publication date |
---|---|
WO2007093726A2 (fr) | 2007-08-23 |
KR20080093450A (ko) | 2008-10-21 |
ATE531037T1 (de) | 2011-11-15 |
US20090076829A1 (en) | 2009-03-19 |
CN101385079A (zh) | 2009-03-11 |
EP1989706B1 (fr) | 2011-10-26 |
WO2007093726A3 (fr) | 2007-10-18 |
US8260620B2 (en) | 2012-09-04 |
JP5117407B2 (ja) | 2013-01-16 |
CN101385079B (zh) | 2012-08-29 |
JP2009527017A (ja) | 2009-07-23 |
KR101366124B1 (ko) | 2014-02-21 |
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