ATE548728T1 - Nichtkausales nachfilter - Google Patents

Nichtkausales nachfilter

Info

Publication number
ATE548728T1
ATE548728T1 AT07852271T AT07852271T ATE548728T1 AT E548728 T1 ATE548728 T1 AT E548728T1 AT 07852271 T AT07852271 T AT 07852271T AT 07852271 T AT07852271 T AT 07852271T AT E548728 T1 ATE548728 T1 AT E548728T1
Authority
AT
Austria
Prior art keywords
decoder
frame
parameters
receiver input
decoded audio
Prior art date
Application number
AT07852271T
Other languages
English (en)
Inventor
Stefan Bruhn
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE548728T1 publication Critical patent/ATE548728T1/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
AT07852271T 2007-03-02 2007-12-14 Nichtkausales nachfilter ATE548728T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US89266707P 2007-03-02 2007-03-02
PCT/SE2007/051000 WO2008108702A1 (en) 2007-03-02 2007-12-14 Non-causal postfilter

Publications (1)

Publication Number Publication Date
ATE548728T1 true ATE548728T1 (de) 2012-03-15

Family

ID=39738489

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07852271T ATE548728T1 (de) 2007-03-02 2007-12-14 Nichtkausales nachfilter

Country Status (7)

Country Link
US (1) US8620645B2 (de)
EP (1) EP2132733B1 (de)
JP (1) JP5097219B2 (de)
CN (1) CN101622666B (de)
AT (1) ATE548728T1 (de)
ES (1) ES2383365T3 (de)
WO (1) WO2008108702A1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101770776B (zh) * 2008-12-29 2011-06-08 华为技术有限公司 瞬态信号的编码方法和装置、解码方法和装置及处理系统
IL311020A (en) * 2010-07-02 2024-04-01 Dolby Int Ab After–selective bass filter
EP2761616A4 (de) * 2011-10-18 2015-06-24 Ericsson Telefon Ab L M Verbessertes verfahren und vorrichtung für einen adaptiven multiraten-codec
EP2936484B1 (de) * 2013-01-29 2018-01-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und verfahren zur verarbeitung eines codierten signals sowie codierer und verfahren zur erzeugung eines codierten signals
ES2844223T3 (es) * 2013-02-22 2021-07-21 Ericsson Telefon Ab L M Métodos y aparatos para retención DTX en codificación de audio
KR102329309B1 (ko) * 2013-09-12 2021-11-19 돌비 인터네셔널 에이비 Qmf 기반 처리 데이터의 시간 정렬
EP2980799A1 (de) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Verarbeitung eines Audiosignals mit Verwendung einer harmonischen Nachfilterung
US10310910B1 (en) * 2014-12-09 2019-06-04 Cloud & Stream Gears Llc Iterative autocorrelation calculation for big data using components
US10313249B1 (en) * 2014-12-09 2019-06-04 Cloud & Stream Gears Llc Incremental autocorrelation calculation for big data using components
US10492085B2 (en) * 2016-01-15 2019-11-26 Qualcomm Incorporated Real-time transport protocol congestion control techniques in video telephony

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CA2142391C (en) * 1994-03-14 2001-05-29 Juin-Hwey Chen Computational complexity reduction during frame erasure or packet loss
US5544278A (en) * 1994-04-29 1996-08-06 Audio Codes Ltd. Pitch post-filter
US5664055A (en) * 1995-06-07 1997-09-02 Lucent Technologies Inc. CS-ACELP speech compression system with adaptive pitch prediction filter gain based on a measure of periodicity
JP3747492B2 (ja) * 1995-06-20 2006-02-22 ソニー株式会社 音声信号の再生方法及び再生装置
SE9700772D0 (sv) * 1997-03-03 1997-03-03 Ericsson Telefon Ab L M A high resolution post processing method for a speech decoder
IL120788A (en) * 1997-05-06 2000-07-16 Audiocodes Ltd Systems and methods for encoding and decoding speech for lossy transmission networks
JP3206497B2 (ja) * 1997-06-16 2001-09-10 日本電気株式会社 インデックスによる信号生成型適応符号帳
JP3022462B2 (ja) * 1998-01-13 2000-03-21 興和株式会社 振動波の符号化方法及び復号化方法
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Also Published As

Publication number Publication date
ES2383365T3 (es) 2012-06-20
EP2132733A4 (de) 2010-12-15
WO2008108702A1 (en) 2008-09-12
JP5097219B2 (ja) 2012-12-12
CN101622666A (zh) 2010-01-06
US8620645B2 (en) 2013-12-31
EP2132733B1 (de) 2012-03-07
CN101622666B (zh) 2012-08-15
EP2132733A1 (de) 2009-12-16
JP2010520505A (ja) 2010-06-10
US20100063805A1 (en) 2010-03-11

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