BRPI0814129A2 - Dispositivo de codificação de áudio e método de codificação de áudio - Google Patents

Dispositivo de codificação de áudio e método de codificação de áudio

Info

Publication number
BRPI0814129A2
BRPI0814129A2 BRPI0814129-0A2A BRPI0814129A BRPI0814129A2 BR PI0814129 A2 BRPI0814129 A2 BR PI0814129A2 BR PI0814129 A BRPI0814129 A BR PI0814129A BR PI0814129 A2 BRPI0814129 A2 BR PI0814129A2
Authority
BR
Brazil
Prior art keywords
audio coding
coding method
coding device
audio
coding
Prior art date
Application number
BRPI0814129-0A2A
Other languages
English (en)
Inventor
Toshiyuki Morii
Original Assignee
Panasonic Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Panasonic Corp filed Critical Panasonic Corp
Publication of BRPI0814129A2 publication Critical patent/BRPI0814129A2/pt

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)
BRPI0814129-0A2A 2007-07-27 2008-07-25 Dispositivo de codificação de áudio e método de codificação de áudio BRPI0814129A2 (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007196782 2007-07-27
JP2007260426 2007-10-03
JP2008007418 2008-01-16
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

Publications (1)

Publication Number Publication Date
BRPI0814129A2 true BRPI0814129A2 (pt) 2015-02-03

Family

ID=40304060

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0814129-0A2A BRPI0814129A2 (pt) 2007-07-27 2008-07-25 Dispositivo de codificação de áudio e método de codificação de áudio

Country Status (9)

Country Link
US (1) US8620648B2 (pt)
EP (1) EP2172928B1 (pt)
JP (1) JP5388849B2 (pt)
KR (1) KR101369064B1 (pt)
CN (1) CN101765880B (pt)
AU (1) AU2008283697B2 (pt)
BR (1) BRPI0814129A2 (pt)
ES (1) ES2428572T3 (pt)
WO (1) WO2009016816A1 (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5981909B2 (ja) 2011-06-15 2016-08-31 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ パルス位置探索装置、符号帳探索装置、及びこれらの方法
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
CN114023338B (zh) * 2020-07-17 2025-06-03 华为技术有限公司 多声道音频信号的编码方法和装置

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5701392A (en) 1990-02-23 1997-12-23 Universite De Sherbrooke Depth-first algebraic-codebook search for fast coding of speech
JP3285185B2 (ja) * 1995-06-16 2002-05-27 日本電信電話株式会社 音響信号符号化方法
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
JP3579276B2 (ja) 1997-12-24 2004-10-20 株式会社東芝 音声符号化／復号化方法
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
JP3808270B2 (ja) 2000-02-17 2006-08-09 三菱電機株式会社 音声符号化装置、音声復号化装置及び符号語配列方法
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
JP2002366199A (ja) 2001-06-11 2002-12-20 Matsushita Electric Ind Co Ltd Ｃｅｌｐ型音声符号化装置
JP3881946B2 (ja) * 2002-09-12 2007-02-14 松下電器産業株式会社 音響符号化装置及び音響符号化方法
AU2003234763A1 (en) 2002-04-26 2003-11-10 Matsushita Electric Industrial Co., Ltd. Coding device, decoding device, coding method, and decoding method
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
KR100503414B1 (ko) * 2002-11-14 2005-07-22 한국전자통신연구원 고정 코드북의 집중 검색 방법 및 장치
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
EP2116996A4 (en) * 2007-03-02 2011-09-07 Panasonic Corp ENCODING DEVICE AND ENCODING METHOD
US8046214B2 (en) * 2007-06-22 2011-10-25 Microsoft Corporation Low complexity decoder for complex transform coding of multi-channel sound

Also Published As

Publication number Publication date
EP2172928A4 (en) 2011-07-13
EP2172928A1 (en) 2010-04-07
JPWO2009016816A1 (ja) 2010-10-14
KR101369064B1 (ko) 2014-02-28
US20100191526A1 (en) 2010-07-29
US8620648B2 (en) 2013-12-31
ES2428572T3 (es) 2013-11-08
AU2008283697A1 (en) 2009-02-05
WO2009016816A1 (ja) 2009-02-05
KR20100049562A (ko) 2010-05-12
CN101765880B (zh) 2012-09-26
AU2008283697B2 (en) 2012-05-10
JP5388849B2 (ja) 2014-01-15
CN101765880A (zh) 2010-06-30
EP2172928B1 (en) 2013-09-11

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Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AME

B25A Requested transfer of rights approved

Owner name: III HOLDINGS 12, LLC (US)

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 11A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2524 DE 21-05-2019 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.