ATE531038T1 - Nachbearbeitung zur reduzierung des quantifizierungsrauschens eines codierers während der decodierung - Google Patents

Nachbearbeitung zur reduzierung des quantifizierungsrauschens eines codierers während der decodierung

Info

Publication number
ATE531038T1
ATE531038T1 AT08805992T AT08805992T ATE531038T1 AT E531038 T1 ATE531038 T1 AT E531038T1 AT 08805992 T AT08805992 T AT 08805992T AT 08805992 T AT08805992 T AT 08805992T AT E531038 T1 ATE531038 T1 AT E531038T1
Authority
AT
Austria
Prior art keywords
processing
quantification noise
post
quantification
noise
Prior art date
Application number
AT08805992T
Other languages
English (en)
Inventor
Jean-Luc Garcia
Claude Marro
Balazs Kovesi
Original Assignee
France Telecom
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 France Telecom filed Critical France Telecom
Application granted granted Critical
Publication of ATE531038T1 publication Critical patent/ATE531038T1/de

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/26—Pre-filtering or post-filtering
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
AT08805992T 2007-06-14 2008-06-13 Nachbearbeitung zur reduzierung des quantifizierungsrauschens eines codierers während der decodierung ATE531038T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0704242 2007-06-14
PCT/FR2008/051057 WO2009004225A1 (fr) 2007-06-14 2008-06-13 Post-traitement de reduction du bruit de quantification d'un codeur, au decodage

Publications (1)

Publication Number Publication Date
ATE531038T1 true ATE531038T1 (de) 2011-11-15

Family

ID=38990872

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08805992T ATE531038T1 (de) 2007-06-14 2008-06-13 Nachbearbeitung zur reduzierung des quantifizierungsrauschens eines codierers während der decodierung

Country Status (6)

Country Link
US (1) US8175145B2 (de)
EP (1) EP2153438B1 (de)
JP (2) JP2010529511A (de)
AT (1) ATE531038T1 (de)
ES (1) ES2376178T3 (de)
WO (1) WO2009004225A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2252996A4 (de) * 2008-03-05 2012-01-11 Voiceage Corp System und verfahren zur verstärkung eines dekodierten tonsignals
JP5141633B2 (ja) * 2009-04-24 2013-02-13 ソニー株式会社 画像処理方法及びそれを用いた画像情報符号化装置
US8886523B2 (en) 2010-04-14 2014-11-11 Huawei Technologies Co., Ltd. Audio decoding based on audio class with control code for post-processing modes
JP5898515B2 (ja) * 2012-02-15 2016-04-06 ルネサスエレクトロニクス株式会社 半導体装置及び音声通信装置
MX345389B (es) * 2013-03-04 2017-01-26 Voiceage Corp Dispositivo y metodo para la reduccion del ruido de cuantificacion en un decodificador del dominio del tiempo.
FR3007184A1 (fr) * 2013-06-14 2014-12-19 France Telecom Controle du traitement d'attenuation d'un bruit de quantification introduit par un codage en compresssion
JP5816992B2 (ja) * 2013-10-31 2015-11-18 株式会社アクセル フィルタの設計方法及びそのフィルタを備えた音響再生装置
EP2887350B1 (de) * 2013-12-19 2016-10-05 Dolby Laboratories Licensing Corporation Adaptive Quantisierungsrauschen-Filterung von decodierten Audiodaten
US9881630B2 (en) * 2015-12-30 2018-01-30 Google Llc Acoustic keystroke transient canceler for speech communication terminals using a semi-blind adaptive filter model
JP2016105188A (ja) * 2016-01-12 2016-06-09 株式会社アクセル 音声信号圧縮装置及び音声信号圧縮方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0752844B2 (ja) * 1985-11-27 1995-06-05 日本電気株式会社 雑音除去回路
JPH03116197A (ja) * 1989-09-29 1991-05-17 Matsushita Electric Ind Co Ltd 音声復号化装置
JP3024468B2 (ja) * 1993-12-10 2000-03-21 日本電気株式会社 音声復号装置
JP4358221B2 (ja) * 1997-12-08 2009-11-04 三菱電機株式会社 音信号加工方法及び音信号加工装置
US6128346A (en) * 1998-04-14 2000-10-03 Motorola, Inc. Method and apparatus for quantizing a signal in a digital system
US6115689A (en) * 1998-05-27 2000-09-05 Microsoft Corporation Scalable audio coder and decoder
JP2000269821A (ja) * 1999-03-18 2000-09-29 Oki Micro Design Co Ltd 予測符号化信号復号化装置及び雑音除去方法
KR100984637B1 (ko) * 2002-01-25 2010-10-05 엔엑스피 비 브이 양자화 노이즈 제거 방법 및 장치
US7328151B2 (en) * 2002-03-22 2008-02-05 Sound Id Audio decoder with dynamic adjustment of signal modification
KR100477699B1 (ko) * 2003-01-15 2005-03-18 삼성전자주식회사 양자화 잡음 분포 조절 방법 및 장치
AU2003274864A1 (en) * 2003-10-24 2005-05-11 Nokia Corpration Noise-dependent postfiltering
WO2005099243A1 (ja) * 2004-04-09 2005-10-20 Nec Corporation 音声通信方法及び装置
US8315863B2 (en) * 2005-06-17 2012-11-20 Panasonic Corporation Post filter, decoder, and post filtering method

Also Published As

Publication number Publication date
US8175145B2 (en) 2012-05-08
WO2009004225A1 (fr) 2009-01-08
JP2010529511A (ja) 2010-08-26
EP2153438A1 (de) 2010-02-17
JP2015007805A (ja) 2015-01-15
US20100183067A1 (en) 2010-07-22
JP5881791B2 (ja) 2016-03-09
ES2376178T3 (es) 2012-03-09
EP2153438B1 (de) 2011-10-26

Similar Documents

Publication Publication Date Title
ATE531038T1 (de) Nachbearbeitung zur reduzierung des quantifizierungsrauschens eines codierers während der decodierung
ATE383641T1 (de) Audiocodierung
MX2007012191A (es) Metodos y aparatos para codificar y descodificar una porcion de banda alta de una senal vocal.
JP2021064009A (ja) 高調波ポストフィルタを使用してオーディオ信号を処理するための装置および方法
RU2009133417A (ru) Кодирование аудиосигнала
TWI536369B (zh) 用以基於線性預測編碼之於頻域中編碼的低頻率增強技術
TW200746052A (en) Apparatus and method for encoding and decoding signal
WO2008100385A3 (en) Embedded silence and background noise compression
WO2008011501A3 (en) Video coding considering postprocessing to be performed in the decoder
JP2008527881A5 (de)
ATE288617T1 (de) Wiederherstellung von hochfrequenzkomponenten
MX2011011399A (es) Aparato para suministrar uno o más parámetros ajustados para un suministro de una representación de señal de mezcla ascendente sobre la base de una representación de señal de mezcla descendete, decodificador de señal de audio, transcodificador de señal de audio, codificador de señal de audio, flujo de bits de audio, método y programa de computación que utiliza información paramétrica relacionada con el objeto.
WO2010083438A8 (en) Filter prediction based on activity metrics in video coding
RU2011140533A (ru) Способ кодирования аудиосигнала, способ декодирования аудиосигнала, устройство кодирования, устройство декодирования, система обработки аудиосигнала, программа кодирования аудиосигнала и программа декодирования аудиосигнала
SE0004187D0 (sv) Enhancing the performance of coding systems that use high frequency reconstruction methods
WO2008052007A3 (en) Signalling of maximum dynamic range of inverse discrete cosine transform
CA2645911A1 (en) Method for encoding and decoding object-based audio signal and apparatus thereof
WO2008016935A3 (en) Systems, methods, and apparatus for wideband encoding and decoding of inactive frames
ATE486346T1 (de) Audiodekodierung
WO2008026145A3 (en) Device and method for coding a data signal and device and method for decoding a data signal
MX2010009307A (es) Dispositivo de codificacion, dispositivo de decodificacion y metodo de los mismos.
RU2010138563A (ru) Способ и средство для кодирования информации фонового шума
EP2453437A3 (de) Verfahren und Vorrichtung für verlustfreie Kodierung eines Quellensignals unter Verwendung eines verlustbehafteten kodierten Datenstroms und eines verlustfreien Erweiterungsdatenstroms
JP2015184470A5 (de)
RU2006132739A (ru) Кодирование звука

Legal Events

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