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 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
    • 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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
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) CN103594090B (pt)
BR (1) BRPI0816136B1 (pt)
CA (1) CA2698039C (pt)
DK (2) DK3288028T3 (pt)
ES (3) ES2748843T3 (pt)
MX (1) MX2010001763A (pt)
PT (1) PT3550564T (pt)
WO (1) WO2009029032A2 (pt)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK2571024T3 (en) 2007-08-27 2015-01-05 Ericsson Telefon Ab L M Adaptive transition frequency between the noise filling and bandwidth extension
CA2697920C (en) 2007-08-27 2018-01-02 Telefonaktiebolaget L M Ericsson (Publ) Transient detector and method for supporting encoding of an audio signal
US8548815B2 (en) * 2007-09-19 2013-10-01 Qualcomm Incorporated Efficient design of MDCT / IMDCT filterbanks for speech and audio coding applications
US9189250B2 (en) * 2008-01-16 2015-11-17 Honeywell International Inc. Method and system for re-invoking displays
WO2010086461A1 (en) 2009-01-28 2010-08-05 Dolby International Ab Improved harmonic transposition
PL3751570T3 (pl) 2009-01-28 2022-03-07 Dolby International Ab Ulepszona transpozycja harmonicznych
KR101405022B1 (ko) * 2009-09-18 2014-06-10 돌비 인터네셔널 에이비 입력 신호를 전위시키기 위한 시스템 및 방법, 상기 방법을 수행하는 소프트웨어 프로그램 및 컴퓨터 프로그램 제품을 포함하는 저장 매체
EP2372705A1 (en) * 2010-03-24 2011-10-05 Thomson Licensing Method and apparatus for encoding and decoding excitation patterns from which the masking levels for an audio signal encoding and decoding are determined
CN102222505B (zh) * 2010-04-13 2012-12-19 中兴通讯股份有限公司 可分层音频编解码方法系统及瞬态信号可分层编解码方法
EP2619758B1 (en) * 2010-10-15 2015-08-19 Huawei Technologies Co., Ltd. Audio signal transformer and inverse transformer, methods for audio signal analysis and synthesis
BR112013020324B8 (pt) 2011-02-14 2022-02-08 Fraunhofer Ges Forschung Aparelho e método para supressão de erro em fala unificada de baixo atraso e codificação de áudio
AU2012217162B2 (en) 2011-02-14 2015-11-26 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Noise generation in audio codecs
EP2676267B1 (en) 2011-02-14 2017-07-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoding and decoding of pulse positions of tracks of an audio signal
TWI564882B (zh) * 2011-02-14 2017-01-01 弗勞恩霍夫爾協會 利用重疊變換之資訊信號表示技術（一）
TWI479478B (zh) 2011-02-14 2015-04-01 弗勞恩霍夫爾協會 用以使用對齊的預看部分將音訊信號解碼的裝置與方法
KR101699898B1 (ko) 2011-02-14 2017-01-25 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 스펙트럼 영역에서 디코딩된 오디오 신호를 처리하기 위한 방법 및 장치
WO2012110448A1 (en) 2011-02-14 2012-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result
MY165853A (en) 2011-02-14 2018-05-18 Fraunhofer Ges Forschung Linear prediction based coding scheme using spectral domain noise shaping
KR101613673B1 (ko) 2011-02-14 2016-04-29 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 불활성 위상 동안에 잡음 합성을 사용하는 오디오 코덱
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
WO2013183928A1 (ko) * 2012-06-04 2013-12-12 삼성전자 주식회사 오디오 부호화방법 및 장치, 오디오 복호화방법 및 장치, 및 이를 채용하는 멀티미디어 기기
EP2884884A1 (en) 2012-08-16 2015-06-24 École Polytechnique Fédérale de Lausanne (EPFL) Method and apparatus for low complexity spectral analysis of bio-signals
DK2981963T3 (en) 2013-04-05 2017-02-27 Dolby Laboratories Licensing Corp COMPRESSION APPARATUS AND PROCEDURE TO REDUCE QUANTIZATION NOISE USING ADVANCED SPECTRAL EXTENSION
CN104240697A (zh) * 2013-06-24 2014-12-24 浙江大华技术股份有限公司 一种音频数据的特征提取方法及装置
CA2921192C (en) 2013-08-23 2019-04-30 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for processing an audio signal using an aliasing error signal
CN103745726B (zh) * 2013-11-07 2016-08-17 中国电子科技集团公司第四十一研究所 一种自适应的变采样率音频采样方法
US10410645B2 (en) 2014-03-03 2019-09-10 Samsung Electronics Co., Ltd. Method and apparatus for high frequency decoding for bandwidth extension
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
DK3271736T3 (da) 2015-03-17 2019-12-09 Zynaptiq Gmbh Fremgangsmåder til at udstrække frekvenstransformeringer til at opløse egenskaber i det spatiotemporale domæne
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
US9837089B2 (en) * 2015-06-18 2017-12-05 Qualcomm Incorporated High-band signal generation
EP3276620A1 (en) * 2016-07-29 2018-01-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Time domain aliasing reduction for non-uniform filterbanks which use spectral analysis followed by partial synthesis
US10699723B2 (en) * 2017-04-25 2020-06-30 Dts, Inc. Encoding and decoding of digital audio signals using variable alphabet size
KR102632136B1 (ko) * 2017-04-28 2024-01-31 디티에스, 인코포레이티드 오디오 코더 윈도우 사이즈 및 시간-주파수 변환
CN112255456B (zh) * 2020-12-22 2021-03-16 深圳市鼎阳科技股份有限公司 一种用于频谱分析仪的扫频方法和扫频装置
US12483272B2 (en) 2021-02-18 2025-11-25 Telefonaktiebolaget Lm Ericsson (Publ) Encoding and decoding complex data

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5297236A (en) * 1989-01-27 1994-03-22 Dolby Laboratories Licensing Corporation Low computational-complexity digital filter bank for encoder, decoder, and encoder/decoder
CN1062963C (zh) * 1990-04-12 2001-03-07 多尔拜实验特许公司 用于产生高质量声音信号的解码器和编码器
US6115689A (en) 1998-05-27 2000-09-05 Microsoft Corporation Scalable audio coder and decoder
CN1146130C (zh) * 1998-05-27 2004-04-14 微软公司 输入信号处理系统的编码器和屏蔽频信号量化噪声方法
JP2000134105A (ja) * 1998-10-29 2000-05-12 Matsushita Electric Ind Co Ltd オーディオ変換符号化に用いられるブロックサイズを決定し適応させる方法
US6233549B1 (en) * 1998-11-23 2001-05-15 Qualcomm, Inc. Low frequency spectral enhancement system and method
US6226608B1 (en) * 1999-01-28 2001-05-01 Dolby Laboratories Licensing Corporation Data framing for adaptive-block-length coding system
US6430529B1 (en) * 1999-02-26 2002-08-06 Sony Corporation System and method for efficient time-domain aliasing cancellation
US6978236B1 (en) * 1999-10-01 2005-12-20 Coding Technologies Ab Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching
JP3753956B2 (ja) * 2001-06-21 2006-03-08 シャープ株式会社 符号化装置
JP3815323B2 (ja) * 2001-12-28 2006-08-30 日本ビクター株式会社 周波数変換ブロック長適応変換装置及びプログラム
US7275036B2 (en) * 2002-04-18 2007-09-25 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for coding a time-discrete audio signal to obtain coded audio data and for decoding coded audio data
DE10217297A1 (de) * 2002-04-18 2003-11-06 Fraunhofer Ges Forschung Vorrichtung und Verfahren zum Codieren eines zeitdiskreten Audiosignals und Vorrichtung und Verfahren zum Decodieren von codierten Audiodaten
CN1460992A (zh) * 2003-07-01 2003-12-10 北京阜国数字技术有限公司 用于感知音频编/解码的低延时、自适应的多分辨率滤波器组
US7516064B2 (en) * 2004-02-19 2009-04-07 Dolby Laboratories Licensing Corporation Adaptive hybrid transform for signal analysis and synthesis
US7630902B2 (en) * 2004-09-17 2009-12-08 Digital Rise Technology Co., Ltd. Apparatus and methods for digital audio coding using codebook application ranges
US7974837B2 (en) * 2005-06-23 2011-07-05 Panasonic Corporation Audio encoding apparatus, audio decoding apparatus, and audio encoded information transmitting apparatus
EP2015293A1 (en) * 2007-06-14 2009-01-14 Deutsche Thomson OHG Method and apparatus for encoding and decoding an audio signal using adaptively switched temporal resolution in the spectral domain

Also Published As

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

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Legal Events

Date Code Title Description
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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