BRPI0816136A2 - Método e dispositivo para processamento de sinal, codificador de áudio, e, decodificador de áudio - Google Patents

Método e dispositivo para processamento de sinal, codificador de áudio, e, decodificador de áudio

Info

Publication number
BRPI0816136A2
BRPI0816136A2 BRPI0816136-4A2A BRPI0816136A BRPI0816136A2 BR PI0816136 A2 BRPI0816136 A2 BR PI0816136A2 BR PI0816136 A BRPI0816136 A BR PI0816136A BR PI0816136 A2 BRPI0816136 A2 BR PI0816136A2
Authority
BR
Brazil
Prior art keywords
audio
signal processing
audio decoder
encoder
audio encoder
Prior art date
Application number
BRPI0816136-4A2A
Other languages
English (en)
Inventor
Anisse Taleb
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
Publication of BRPI0816136A2 publication Critical patent/BRPI0816136A2/pt
Publication of BRPI0816136B1 publication Critical patent/BRPI0816136B1/pt

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
    • G10L19/02—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
    • 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
    • G10L19/02—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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
BRPI0816136-4A 2007-08-27 2008-08-25 Método e dispositivo para processamento de sinal BRPI0816136B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US96812507P 2007-08-27 2007-08-27
US60/968125 2007-08-27
PCT/SE2008/050959 WO2009029032A2 (en) 2007-08-27 2008-08-25 Low-complexity spectral analysis/synthesis using selectable time resolution

Publications (2)

Publication Number Publication Date
BRPI0816136A2 true BRPI0816136A2 (pt) 2015-02-24
BRPI0816136B1 BRPI0816136B1 (pt) 2020-03-03

Family

ID=40388070

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0816136-4A BRPI0816136B1 (pt) 2007-08-27 2008-08-25 Método e dispositivo para processamento de sinal

Country Status (11)

Country Link
US (2) US8392202B2 (pt)
EP (3) EP3288028B1 (pt)
JP (1) JP5140730B2 (pt)
CN (2) CN101878504B (pt)
BR (1) BRPI0816136B1 (pt)
CA (1) CA2698039C (pt)
DK (2) DK3288028T3 (pt)
ES (3) ES2658942T3 (pt)
MX (1) MX2010001763A (pt)
PT (1) PT3550564T (pt)
WO (1) WO2009029032A2 (pt)

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PL3239978T3 (pl) 2011-02-14 2019-07-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Kodowanie i dekodowanie pozycji impulsów ścieżek sygnału audio
CA2827249C (en) 2011-02-14 2016-08-23 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for processing a decoded audio signal in a spectral domain
TWI488176B (zh) 2011-02-14 2015-06-11 Fraunhofer Ges Forschung 音訊信號音軌脈衝位置之編碼與解碼技術
CN103534754B (zh) 2011-02-14 2015-09-30 弗兰霍菲尔运输应用研究公司 在不活动阶段期间利用噪声合成的音频编解码器
WO2013183928A1 (ko) * 2012-06-04 2013-12-12 삼성전자 주식회사 오디오 부호화방법 및 장치, 오디오 복호화방법 및 장치, 및 이를 채용하는 멀티미디어 기기
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KR102653849B1 (ko) 2014-03-24 2024-04-02 삼성전자주식회사 고대역 부호화방법 및 장치와 고대역 복호화 방법 및 장치
CN105336336B (zh) 2014-06-12 2016-12-28 华为技术有限公司 一种音频信号的时域包络处理方法及装置、编码器
CN107004417B (zh) * 2014-12-09 2021-05-07 杜比国际公司 Mdct域错误掩盖
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US9837089B2 (en) * 2015-06-18 2017-12-05 Qualcomm Incorporated High-band signal generation
US10847170B2 (en) 2015-06-18 2020-11-24 Qualcomm Incorporated Device and method for generating a high-band signal from non-linearly processed sub-ranges
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JP6486978B2 (ja) * 2017-02-10 2019-03-20 三菱重工業株式会社 積層部材、並びに、これを用いた羽根車、圧縮機及びエンジン
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Also Published As

Publication number Publication date
CN103594090B (zh) 2017-10-10
EP2186088A2 (en) 2010-05-19
PT3550564T (pt) 2020-08-18
US8392202B2 (en) 2013-03-05
EP2186088B1 (en) 2017-11-15
EP3288028A1 (en) 2018-02-28
JP2010538314A (ja) 2010-12-09
WO2009029032A3 (en) 2009-04-23
CN101878504A (zh) 2010-11-03
DK2186088T3 (en) 2018-01-15
CN103594090A (zh) 2014-02-19
CA2698039A1 (en) 2009-03-05
EP2186088A4 (en) 2015-05-06
ES2823560T3 (es) 2021-05-07
US8706511B2 (en) 2014-04-22
EP3550564B1 (en) 2020-07-22
DK3288028T3 (da) 2019-09-02
EP3550564A1 (en) 2019-10-09
US20130246074A1 (en) 2013-09-19
US20100250265A1 (en) 2010-09-30
WO2009029032A2 (en) 2009-03-05
EP3288028B1 (en) 2019-07-03
ES2748843T3 (es) 2020-03-18
ES2658942T3 (es) 2018-03-13
JP5140730B2 (ja) 2013-02-13
CN101878504B (zh) 2013-12-04
MX2010001763A (es) 2010-03-10
CA2698039C (en) 2016-05-17
BRPI0816136B1 (pt) 2020-03-03

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B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

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