WO2009016816A1 - 音声符号化装置および音声符号化方法 - Google Patents
音声符号化装置および音声符号化方法 Download PDFInfo
- Publication number
- WO2009016816A1 WO2009016816A1 PCT/JP2008/001999 JP2008001999W WO2009016816A1 WO 2009016816 A1 WO2009016816 A1 WO 2009016816A1 JP 2008001999 W JP2008001999 W JP 2008001999W WO 2009016816 A1 WO2009016816 A1 WO 2009016816A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- correlation value
- audio encoding
- pulses
- maximum
- unit
- Prior art date
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
- 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
- G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
- G10L19/107—Sparse pulse excitation, e.g. by using algebraic codebook
-
- 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
- G10L2019/0013—Codebook search algorithms
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computational Linguistics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2008283697A AU2008283697B2 (en) | 2007-07-27 | 2008-07-25 | Audio encoding device and audio encoding method |
ES08776896T ES2428572T3 (es) | 2007-07-27 | 2008-07-25 | Dispositivo de codificación de audio y método de codificación de audio |
JP2009525276A JP5388849B2 (ja) | 2007-07-27 | 2008-07-25 | 音声符号化装置および音声符号化方法 |
KR1020107001665A KR101369064B1 (ko) | 2007-07-27 | 2008-07-25 | 음성 부호화 장치 및 음성 부호화 방법 |
BRPI0814129-0A2A BRPI0814129A2 (pt) | 2007-07-27 | 2008-07-25 | Dispositivo de codificação de áudio e método de codificação de áudio |
CN2008801008018A CN101765880B (zh) | 2007-07-27 | 2008-07-25 | 语音编码装置和语音编码方法 |
US12/670,777 US8620648B2 (en) | 2007-07-27 | 2008-07-25 | Audio encoding device and audio encoding method |
EP08776896.6A EP2172928B1 (en) | 2007-07-27 | 2008-07-25 | Audio encoding device and audio encoding method |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007-196782 | 2007-07-27 | ||
JP2007196782 | 2007-07-27 | ||
JP2007260426 | 2007-10-03 | ||
JP2007-260426 | 2007-10-03 | ||
JP2008-007418 | 2008-01-16 | ||
JP2008007418 | 2008-01-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009016816A1 true WO2009016816A1 (ja) | 2009-02-05 |
Family
ID=40304060
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/001999 WO2009016816A1 (ja) | 2007-07-27 | 2008-07-25 | 音声符号化装置および音声符号化方法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US8620648B2 (ja) |
EP (1) | EP2172928B1 (ja) |
JP (1) | JP5388849B2 (ja) |
KR (1) | KR101369064B1 (ja) |
CN (1) | CN101765880B (ja) |
AU (1) | AU2008283697B2 (ja) |
BR (1) | BRPI0814129A2 (ja) |
ES (1) | ES2428572T3 (ja) |
WO (1) | WO2009016816A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012172750A1 (ja) * | 2011-06-15 | 2012-12-20 | パナソニック株式会社 | パルス位置探索装置、符号帳探索装置、及びこれらの方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103377653B (zh) * | 2012-04-20 | 2016-03-16 | 展讯通信(上海)有限公司 | 语音编码中代数码表的搜索方法及装置,语音编码方法 |
US10021130B2 (en) * | 2015-09-28 | 2018-07-10 | Verizon Patent And Licensing Inc. | Network state information correlation to detect anomalous conditions |
CN114023338A (zh) * | 2020-07-17 | 2022-02-08 | 华为技术有限公司 | 多声道音频信号的编码方法和装置 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH096396A (ja) * | 1995-06-16 | 1997-01-10 | Nippon Telegr & Teleph Corp <Ntt> | 音響信号符号化方法及び音響信号復号化方法 |
JPH11501131A (ja) * | 1995-03-10 | 1999-01-26 | ユニバーシテ デ シャーブルク | 会話の急速符号化のためのデプス第1代数コードブック |
JPH11259098A (ja) * | 1997-12-24 | 1999-09-24 | Toshiba Corp | 音声符号化/復号化方法 |
JP2001228888A (ja) * | 2000-02-17 | 2001-08-24 | Mitsubishi Electric Corp | 音声符号化装置、音声復号化装置及び符号語配列方法 |
JP2002366199A (ja) * | 2001-06-11 | 2002-12-20 | Matsushita Electric Ind Co Ltd | Celp型音声符号化装置 |
JP2004102186A (ja) * | 2002-09-12 | 2004-04-02 | Matsushita Electric Ind Co Ltd | 音響符号化装置及び音響符号化方法 |
EP2116996A1 (en) | 2007-03-02 | 2009-11-11 | Panasonic Corporation | Encoding device and encoding method |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6385576B2 (en) | 1997-12-24 | 2002-05-07 | Kabushiki Kaisha Toshiba | Speech encoding/decoding method using reduced subframe pulse positions having density related to pitch |
CA2252170A1 (en) * | 1998-10-27 | 2000-04-27 | Bruno Bessette | A method and device for high quality coding of wideband speech and audio signals |
US7389227B2 (en) * | 2000-01-14 | 2008-06-17 | C & S Technology Co., Ltd. | High-speed search method for LSP quantizer using split VQ and fixed codebook of G.729 speech encoder |
CA2327041A1 (en) * | 2000-11-22 | 2002-05-22 | Voiceage Corporation | A method for indexing pulse positions and signs in algebraic codebooks for efficient coding of wideband signals |
AU2003234763A1 (en) | 2002-04-26 | 2003-11-10 | Matsushita Electric Industrial Co., Ltd. | Coding device, decoding device, coding method, and decoding method |
KR100503414B1 (ko) * | 2002-11-14 | 2005-07-22 | 한국전자통신연구원 | 고정 코드북의 집중 검색 방법 및 장치 |
JP3887598B2 (ja) * | 2002-11-14 | 2007-02-28 | 松下電器産業株式会社 | 確率的符号帳の音源の符号化方法及び復号化方法 |
CA2457988A1 (en) * | 2004-02-18 | 2005-08-18 | Voiceage Corporation | Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization |
US20050256702A1 (en) * | 2004-05-13 | 2005-11-17 | Ittiam Systems (P) Ltd. | Algebraic codebook search implementation on processors with multiple data paths |
JP4871501B2 (ja) * | 2004-11-04 | 2012-02-08 | パナソニック株式会社 | ベクトル変換装置及びベクトル変換方法 |
SG123639A1 (en) * | 2004-12-31 | 2006-07-26 | St Microelectronics Asia | A system and method for supporting dual speech codecs |
CN100498934C (zh) | 2005-10-31 | 2009-06-10 | 连展科技(天津)有限公司 | 一种新型的快速固定码本搜索方法 |
CN101000768B (zh) * | 2006-06-21 | 2010-12-08 | 北京工业大学 | 嵌入式语音编解码的方法及编解码器 |
US8046214B2 (en) * | 2007-06-22 | 2011-10-25 | Microsoft Corporation | Low complexity decoder for complex transform coding of multi-channel sound |
-
2008
- 2008-07-25 WO PCT/JP2008/001999 patent/WO2009016816A1/ja active Application Filing
- 2008-07-25 JP JP2009525276A patent/JP5388849B2/ja not_active Expired - Fee Related
- 2008-07-25 CN CN2008801008018A patent/CN101765880B/zh not_active Expired - Fee Related
- 2008-07-25 EP EP08776896.6A patent/EP2172928B1/en not_active Not-in-force
- 2008-07-25 US US12/670,777 patent/US8620648B2/en active Active
- 2008-07-25 BR BRPI0814129-0A2A patent/BRPI0814129A2/pt not_active IP Right Cessation
- 2008-07-25 KR KR1020107001665A patent/KR101369064B1/ko active IP Right Grant
- 2008-07-25 AU AU2008283697A patent/AU2008283697B2/en not_active Ceased
- 2008-07-25 ES ES08776896T patent/ES2428572T3/es active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11501131A (ja) * | 1995-03-10 | 1999-01-26 | ユニバーシテ デ シャーブルク | 会話の急速符号化のためのデプス第1代数コードブック |
JPH096396A (ja) * | 1995-06-16 | 1997-01-10 | Nippon Telegr & Teleph Corp <Ntt> | 音響信号符号化方法及び音響信号復号化方法 |
JPH11259098A (ja) * | 1997-12-24 | 1999-09-24 | Toshiba Corp | 音声符号化/復号化方法 |
JP2001228888A (ja) * | 2000-02-17 | 2001-08-24 | Mitsubishi Electric Corp | 音声符号化装置、音声復号化装置及び符号語配列方法 |
JP2002366199A (ja) * | 2001-06-11 | 2002-12-20 | Matsushita Electric Ind Co Ltd | Celp型音声符号化装置 |
JP2004102186A (ja) * | 2002-09-12 | 2004-04-02 | Matsushita Electric Ind Co Ltd | 音響符号化装置及び音響符号化方法 |
EP2116996A1 (en) | 2007-03-02 | 2009-11-11 | Panasonic Corporation | Encoding device and encoding method |
Non-Patent Citations (3)
Title |
---|
PROC. OF THE 1996 SPRING MEETING OF THE ACOUSTIC SOCIETY OF JAPAN. 2-P-5, March 1996 (1996-03-01), pages 311 - 312 |
SALAMI; LAFLAMME; ADOUL: "8kbit/s ACELP Coding of Speech with 10ms Speech-Frame: a Candidate for r CCITT Standardization", IEEE PROC. ICASSP94, pages 11 - 97N |
See also references of EP2172928A4 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012172750A1 (ja) * | 2011-06-15 | 2012-12-20 | パナソニック株式会社 | パルス位置探索装置、符号帳探索装置、及びこれらの方法 |
CN103098128A (zh) * | 2011-06-15 | 2013-05-08 | 松下电器产业株式会社 | 脉冲位置搜索装置、码本搜索装置及其方法 |
US9230553B2 (en) | 2011-06-15 | 2016-01-05 | Panasonic Intellectual Property Corporation Of America | Fixed codebook searching by closed-loop search using multiplexed loop |
Also Published As
Publication number | Publication date |
---|---|
CN101765880B (zh) | 2012-09-26 |
EP2172928B1 (en) | 2013-09-11 |
ES2428572T3 (es) | 2013-11-08 |
KR101369064B1 (ko) | 2014-02-28 |
KR20100049562A (ko) | 2010-05-12 |
US8620648B2 (en) | 2013-12-31 |
EP2172928A4 (en) | 2011-07-13 |
JP5388849B2 (ja) | 2014-01-15 |
EP2172928A1 (en) | 2010-04-07 |
AU2008283697A1 (en) | 2009-02-05 |
BRPI0814129A2 (pt) | 2015-02-03 |
AU2008283697B2 (en) | 2012-05-10 |
JPWO2009016816A1 (ja) | 2010-10-14 |
US20100191526A1 (en) | 2010-07-29 |
CN101765880A (zh) | 2010-06-30 |
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