ATE501505T1 - Audiocodierungseinrichtung, audiodecodierungseinrichtung und verfahren dafür - Google Patents

Audiocodierungseinrichtung, audiodecodierungseinrichtung und verfahren dafür

Info

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
Application number
AT07742526T
Other languages
English (en)
Inventor
Masahiro Oshikiri
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
Application granted granted Critical
Publication of ATE501505T1 publication Critical patent/ATE501505T1/de

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
    • G10L19/16—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)
AT07742526T 2006-04-27 2007-04-26 Audiocodierungseinrichtung, audiodecodierungseinrichtung und verfahren dafür ATE501505T1 (de)

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)

* Cited by examiner, † Cited by third party
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
KR101570550B1 (ko) * 2008-03-14 2015-11-19 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 부호화 장치, 복호 장치 및 이러한 방법
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
CN102257567B (zh) * 2009-10-21 2014-05-07 松下电器产业株式会社 音响信号处理装置、音响编码装置及音响解码装置
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
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
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
EP3079152B1 (de) * 2010-07-02 2018-06-06 Dolby International AB Audiodekodierung mit selektiver nachfilterung
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
JP6531649B2 (ja) 2013-09-19 2019-06-19 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
BR112016014476B1 (pt) 2013-12-27 2021-11-23 Sony Corporation Aparelho e método de decodificação, e, meio de armazenamento legível por computador
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
KR102865245B1 (ko) 2014-03-24 2025-09-25 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)

* Cited by examiner, † Cited by third party
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
JP4606418B2 (ja) * 2004-10-13 2011-01-05 パナソニック株式会社 スケーラブル符号化装置、スケーラブル復号装置及びスケーラブル符号化方法
DK1780155T3 (da) 2004-10-14 2012-01-23 Muller Martini Mailroom Systems Inc Produkttilførselsapparat med accelerator- og decelerationsindretninger
EP1793372B1 (de) * 2004-10-26 2011-12-14 Panasonic Corporation Sprachkodierungsvorrichtung und sprachkodierungsverfahren
WO2006046547A1 (ja) * 2004-10-27 2006-05-04 Matsushita Electric Industrial Co., Ltd. 音声符号化装置および音声符号化方法
RU2387024C2 (ru) * 2004-11-05 2010-04-20 Панасоник Корпорэйшн Кодер, декодер, способ кодирования и способ декодирования
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

Also Published As

Publication number Publication date
WO2007126015A1 (ja) 2007-11-08
DE602007013026D1 (de) 2011-04-21
EP2012305A4 (de) 2010-04-14
JPWO2007126015A1 (ja) 2009-09-10
US20100161323A1 (en) 2010-06-24
EP2323131A1 (de) 2011-05-18
JP5173800B2 (ja) 2013-04-03
EP2012305A1 (de) 2009-01-07
EP2012305B1 (de) 2011-03-09

Similar Documents

Publication Publication Date Title
ATE501505T1 (de) Audiocodierungseinrichtung, audiodecodierungseinrichtung und verfahren dafür
DE602008005250D1 (de) Audiokodierer und -dekodierer
ATE420431T1 (de) Grundfrequenzextraktion mit adaptivem filter
US20220157328A1 (en) Method and apparatus for processing an audio signal, audio decoder, and audio encoder
EP1742202A4 (de) Kodierungs-, dekodierungsvorrichtung und methode dafür
DE60218206D1 (de) Einrichtung und verfahren zur beschränkung des wertes von filterkoeffizienten im rückwärtsfilter eines entscheidungrückgekoppelten entzerrers
US9576590B2 (en) Noise adaptive post filtering
WO2009067155A3 (en) System and method for encoding video
RU2015136792A (ru) Аудиокодер, аудиодекодер, способ обеспечения кодированной аудиоинформации, способ обеспечения декодированной аудиоинформации, компьютерная программа и кодированное представление с использованием сигнально-адаптивного расширения полосы пропускания
SG130962A1 (en) A method and system for adaptive pre-filtering for digital video signals
ATE471557T1 (de) Spektrum-codierungseinrichtung, spektrum- decodierungseinrichtung, übertragungseinrichtung für akustische signale, empfangseinrichtung für akustische signale und verfahren dafür
ATE540398T1 (de) Sprachaktivitätsdetektionseinrichtung und verfahren
EP4583104A3 (de) Verfahren zur codierung eines signals
CA2727883A1 (en) Audio encoding/decoding scheme having a switchable bypass
WO2005055197A3 (en) Noise suppressor for speech coding and speech recognition
US11694701B2 (en) Low-complexity tonality-adaptive audio signal quantization
DE602005017831D1 (de) Höhrapparat mit verbesserte hochfrequenzwiedergabe und verfahren zur bearbeitung eines tonsignal
ATE540400T1 (de) Verfahren und vorrichtung zur parametrischen stereo-audiodekodierung
DE602007005630D1 (de) Codierungseinrichtung und codierungsverfahren
RU2015136223A (ru) Низкочастотное акцентирование для основанного на lpc кодирования в частотной области
DE502005002489D1 (de) Audiocodierung
DE502007006264D1 (de) Vorrichtung zur geräuschunterdrückung bei einem audiosignal
ATE396582T1 (de) Verringerung der rückkopplung von kommunikationssystemen
WO2006019555A3 (en) Music detection with low-complexity pitch correlation algorithm
DE602006000109D1 (de) Verfahren und Vorrichtung zur Verringerung von Geräuschbeeinträchtigung eines alternativen Sensorsignals während multisensorischer Sprachverstärkung

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties