ATE501505T1 - Audiocodierungseinrichtung, audiodecodierungseinrichtung und verfahren dafür - Google Patents
Audiocodierungseinrichtung, audiodecodierungseinrichtung und verfahren dafürInfo
- Publication number
- ATE501505T1 ATE501505T1 AT07742526T AT07742526T ATE501505T1 AT E501505 T1 ATE501505 T1 AT E501505T1 AT 07742526 T AT07742526 T AT 07742526T AT 07742526 T AT07742526 T AT 07742526T AT E501505 T1 ATE501505 T1 AT E501505T1
- Authority
- AT
- Austria
- Prior art keywords
- unit
- filter
- coefficient
- pitch
- noise characteristic
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 238000001228 spectrum Methods 0.000 abstract 4
- 238000001914 filtration Methods 0.000 abstract 2
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000006731 degradation reaction Methods 0.000 abstract 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
- G10L19/16—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
-
- 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
-
- 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
- G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
Landscapes
- Engineering & Computer Science (AREA)
- Quality & Reliability (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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006124175 | 2006-04-27 | ||
PCT/JP2007/059091 WO2007126015A1 (ja) | 2006-04-27 | 2007-04-26 | 音声符号化装置、音声復号化装置、およびこれらの方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE501505T1 true ATE501505T1 (de) | 2011-03-15 |
Family
ID=38655539
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT07742526T ATE501505T1 (de) | 2006-04-27 | 2007-04-26 | Audiocodierungseinrichtung, audiodecodierungseinrichtung und verfahren dafür |
Country Status (6)
Country | Link |
---|---|
US (1) | US20100161323A1 (de) |
EP (2) | EP2012305B1 (de) |
JP (1) | JP5173800B2 (de) |
AT (1) | ATE501505T1 (de) |
DE (1) | DE602007013026D1 (de) |
WO (1) | WO2007126015A1 (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8032359B2 (en) | 2007-02-14 | 2011-10-04 | Mindspeed Technologies, Inc. | Embedded silence and background noise compression |
EP2214163A4 (de) * | 2007-11-01 | 2011-10-05 | Panasonic Corp | Codierungseinrichtung, decodierungseinrichtung und verfahren dafür |
US8423371B2 (en) * | 2007-12-21 | 2013-04-16 | Panasonic Corporation | Audio encoder, decoder, and encoding method thereof |
CN101971253B (zh) * | 2008-03-14 | 2012-07-18 | 松下电器产业株式会社 | 编码装置、解码装置以及其方法 |
JP5928539B2 (ja) * | 2009-10-07 | 2016-06-01 | ソニー株式会社 | 符号化装置および方法、並びにプログラム |
JP5754899B2 (ja) | 2009-10-07 | 2015-07-29 | ソニー株式会社 | 復号装置および方法、並びにプログラム |
EP2704143B1 (de) * | 2009-10-21 | 2015-01-07 | Panasonic Intellectual Property Corporation of America | Vorrichtung, Verfahren, Computer Programm zur Audiosignalverarbeitung |
JP5598536B2 (ja) * | 2010-03-31 | 2014-10-01 | 富士通株式会社 | 帯域拡張装置および帯域拡張方法 |
JP5850216B2 (ja) | 2010-04-13 | 2016-02-03 | ソニー株式会社 | 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム |
JP5609737B2 (ja) | 2010-04-13 | 2014-10-22 | ソニー株式会社 | 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム |
JP5652658B2 (ja) | 2010-04-13 | 2015-01-14 | ソニー株式会社 | 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム |
KR101696632B1 (ko) | 2010-07-02 | 2017-01-16 | 돌비 인터네셔널 에이비 | 선택적인 베이스 포스트 필터 |
JP6075743B2 (ja) | 2010-08-03 | 2017-02-08 | ソニー株式会社 | 信号処理装置および方法、並びにプログラム |
JP5707842B2 (ja) | 2010-10-15 | 2015-04-30 | ソニー株式会社 | 符号化装置および方法、復号装置および方法、並びにプログラム |
JP5942358B2 (ja) | 2011-08-24 | 2016-06-29 | ソニー株式会社 | 符号化装置および方法、復号装置および方法、並びにプログラム |
US8897352B2 (en) * | 2012-12-20 | 2014-11-25 | Nvidia Corporation | Multipass approach for performing channel equalization training |
WO2015041070A1 (ja) | 2013-09-19 | 2015-03-26 | ソニー株式会社 | 符号化装置および方法、復号化装置および方法、並びにプログラム |
KR102251833B1 (ko) | 2013-12-16 | 2021-05-13 | 삼성전자주식회사 | 오디오 신호의 부호화, 복호화 방법 및 장치 |
EP3089161B1 (de) | 2013-12-27 | 2019-10-23 | Sony Corporation | Decodierungsvorrichtung, -verfahren und -programm |
CN111312277B (zh) | 2014-03-03 | 2023-08-15 | 三星电子株式会社 | 用于带宽扩展的高频解码的方法及设备 |
JP6616316B2 (ja) | 2014-03-24 | 2019-12-04 | サムスン エレクトロニクス カンパニー リミテッド | 高帯域符号化方法及びその装置、並びに高帯域復号方法及びその装置 |
JP7196993B2 (ja) * | 2018-11-22 | 2022-12-27 | 株式会社Jvcケンウッド | 音声処理条件設定装置、無線通信装置、および音声処理条件設定方法 |
JP7005848B2 (ja) * | 2018-11-22 | 2022-01-24 | 株式会社Jvcケンウッド | 音声処理条件設定装置、無線通信装置、および音声処理条件設定方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2588004B2 (ja) * | 1988-09-19 | 1997-03-05 | 日本電信電話株式会社 | 後処理フィルタ |
US5327520A (en) * | 1992-06-04 | 1994-07-05 | At&T Bell Laboratories | Method of use of voice message coder/decoder |
US6256606B1 (en) * | 1998-11-30 | 2001-07-03 | Conexant Systems, Inc. | Silence description coding for multi-rate speech codecs |
US6691084B2 (en) * | 1998-12-21 | 2004-02-10 | Qualcomm Incorporated | Multiple mode variable rate speech coding |
US6691085B1 (en) * | 2000-10-18 | 2004-02-10 | Nokia Mobile Phones Ltd. | Method and system for estimating artificial high band signal in speech codec using voice activity information |
JP2004302257A (ja) * | 2003-03-31 | 2004-10-28 | Matsushita Electric Ind Co Ltd | 長期ポストフィルタ |
BRPI0510014B1 (pt) * | 2004-05-14 | 2019-03-26 | Panasonic Intellectual Property Corporation Of America | Dispositivo de codificação, dispositivo de decodificação e método do mesmo |
US8010349B2 (en) * | 2004-10-13 | 2011-08-30 | Panasonic Corporation | Scalable encoder, scalable decoder, and scalable encoding method |
ATE534599T1 (de) | 2004-10-14 | 2011-12-15 | Muller Martini Mailroom Systems Inc | Produktzufuhreinrichtung mit beschleunigungs- und bremseinrichtungen |
BRPI0517513A (pt) * | 2004-10-26 | 2008-10-14 | Matsushita Electric Ind Co Ltd | aparelho de codificação de som e processo de sua realização |
CN101044552A (zh) * | 2004-10-27 | 2007-09-26 | 松下电器产业株式会社 | 语音编码装置和语音编码方法 |
EP1798724B1 (de) * | 2004-11-05 | 2014-06-18 | Panasonic Corporation | Kodierer, dekodierer, kodiermethode und dekodiermethode |
US7813931B2 (en) * | 2005-04-20 | 2010-10-12 | QNX Software Systems, Co. | System for improving speech quality and intelligibility with bandwidth compression/expansion |
US7953605B2 (en) * | 2005-10-07 | 2011-05-31 | Deepen Sinha | Method and apparatus for audio encoding and decoding using wideband psychoacoustic modeling and bandwidth extension |
-
2007
- 2007-04-26 JP JP2008513267A patent/JP5173800B2/ja active Active
- 2007-04-26 EP EP07742526A patent/EP2012305B1/de active Active
- 2007-04-26 DE DE602007013026T patent/DE602007013026D1/de active Active
- 2007-04-26 EP EP11150853A patent/EP2323131A1/de not_active Withdrawn
- 2007-04-26 AT AT07742526T patent/ATE501505T1/de not_active IP Right Cessation
- 2007-04-26 WO PCT/JP2007/059091 patent/WO2007126015A1/ja active Application Filing
- 2007-04-26 US US12/298,404 patent/US20100161323A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO2007126015A1 (ja) | 2007-11-08 |
EP2012305A1 (de) | 2009-01-07 |
JP5173800B2 (ja) | 2013-04-03 |
EP2012305A4 (de) | 2010-04-14 |
EP2012305B1 (de) | 2011-03-09 |
JPWO2007126015A1 (ja) | 2009-09-10 |
DE602007013026D1 (de) | 2011-04-21 |
EP2323131A1 (de) | 2011-05-18 |
US20100161323A1 (en) | 2010-06-24 |
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Legal Events
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RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |