DE602007013026D1 - Audiocodierungseinrichtung, audiodecodierungseinrichtung und verfahren dafür - Google Patents
Audiocodierungseinrichtung, audiodecodierungseinrichtung und verfahren dafürInfo
- Publication number
- DE602007013026D1 DE602007013026D1 DE602007013026T DE602007013026T DE602007013026D1 DE 602007013026 D1 DE602007013026 D1 DE 602007013026D1 DE 602007013026 T DE602007013026 T DE 602007013026T DE 602007013026 T DE602007013026 T DE 602007013026T DE 602007013026 D1 DE602007013026 D1 DE 602007013026D1
- Authority
- DE
- Germany
- Prior art keywords
- unit
- filter
- coefficient
- pitch
- noise characteristic
- 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.)
- Active
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 |
|---|---|
| DE602007013026D1 true DE602007013026D1 (de) | 2011-04-21 |
Family
ID=38655539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE602007013026T Active DE602007013026D1 (de) | 2006-04-27 | 2007-04-26 | Audiocodierungseinrichtung, audiodecodierungseinrichtung und verfahren dafür |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20100161323A1 (de) |
| EP (2) | EP2323131A1 (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 |
| US8352249B2 (en) * | 2007-11-01 | 2013-01-08 | Panasonic Corporation | Encoding device, decoding device, and method thereof |
| JP5404418B2 (ja) * | 2007-12-21 | 2014-01-29 | パナソニック株式会社 | 符号化装置、復号装置および符号化方法 |
| US8452588B2 (en) * | 2008-03-14 | 2013-05-28 | Panasonic Corporation | Encoding device, decoding device, and method thereof |
| 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 |
| 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 |
| EP2704143B1 (de) * | 2009-10-21 | 2015-01-07 | Panasonic Intellectual Property Corporation of America | Vorrichtung, Verfahren, Computer Programm zur Audiosignalverarbeitung |
| WO2011121782A1 (ja) * | 2010-03-31 | 2011-10-06 | 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 |
| EP3422346B1 (de) | 2010-07-02 | 2020-04-22 | Dolby International AB | Audiokodierung mit entscheidung über die anwendung eines postfilters bei der dekodierung |
| 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 |
| CN105531762B (zh) | 2013-09-19 | 2019-10-01 | 索尼公司 | 编码装置和方法、解码装置和方法以及程序 |
| KR102251833B1 (ko) * | 2013-12-16 | 2021-05-13 | 삼성전자주식회사 | 오디오 신호의 부호화, 복호화 방법 및 장치 |
| MY188538A (en) | 2013-12-27 | 2021-12-20 | Sony Corp | Decoding device, method, and program |
| CN106463143B (zh) | 2014-03-03 | 2020-03-13 | 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 |
| KR102400016B1 (ko) | 2014-03-24 | 2022-05-19 | 삼성전자주식회사 | 고대역 부호화방법 및 장치와 고대역 복호화 방법 및 장치 |
| 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 |
| EP3336843B1 (de) * | 2004-05-14 | 2021-06-23 | Panasonic Intellectual Property Corporation of America | Sprachcodierungsverfahren und sprachcodierungsvorrichtung |
| EP1801785A4 (de) * | 2004-10-13 | 2010-01-20 | Panasonic Corp | Skalierbarer codierer, skalierbarer decodierer und skalierbares codierungsverfahren |
| JP2006124175A (ja) | 2004-10-14 | 2006-05-18 | Graphic Management Associates Inc | 加速装置及び減速装置を備えた製品フィーダ |
| CN101061533B (zh) * | 2004-10-26 | 2011-05-18 | 松下电器产业株式会社 | 语音编码装置和语音编码方法 |
| EP1806737A4 (de) * | 2004-10-27 | 2010-08-04 | Panasonic Corp | Toncodierer und toncodierungsverfahren |
| CN102184734B (zh) * | 2004-11-05 | 2013-04-03 | 松下电器产业株式会社 | 编码装置、解码装置、编码方法及解码方法 |
| 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 DE DE602007013026T patent/DE602007013026D1/de active Active
- 2007-04-26 JP JP2008513267A patent/JP5173800B2/ja active Active
- 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
- 2007-04-26 EP EP11150853A patent/EP2323131A1/de not_active Withdrawn
- 2007-04-26 EP EP07742526A patent/EP2012305B1/de active Active
- 2007-04-26 AT AT07742526T patent/ATE501505T1/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| WO2007126015A1 (ja) | 2007-11-08 |
| JPWO2007126015A1 (ja) | 2009-09-10 |
| EP2012305A1 (de) | 2009-01-07 |
| ATE501505T1 (de) | 2011-03-15 |
| EP2012305B1 (de) | 2011-03-09 |
| EP2323131A1 (de) | 2011-05-18 |
| US20100161323A1 (en) | 2010-06-24 |
| EP2012305A4 (de) | 2010-04-14 |
| JP5173800B2 (ja) | 2013-04-03 |
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