BR112013031796A2 - método e equipamento para codificação de um sinal - Google Patents

método e equipamento para codificação de um sinal

Info

Publication number
BR112013031796A2
BR112013031796A2 BR112013031796A BR112013031796A BR112013031796A2 BR 112013031796 A2 BR112013031796 A2 BR 112013031796A2 BR 112013031796 A BR112013031796 A BR 112013031796A BR 112013031796 A BR112013031796 A BR 112013031796A BR 112013031796 A2 BR112013031796 A2 BR 112013031796A2
Authority
BR
Brazil
Prior art keywords
coding
equipment
signal
avaible
abstract
Prior art date
Application number
BR112013031796A
Other languages
English (en)
Other versions
BR112013031796B1 (pt
Inventor
Jonathan A Gibbs
Original Assignee
Motorola Mobility Llc
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 Motorola Mobility Llc filed Critical Motorola Mobility Llc
Publication of BR112013031796A2 publication Critical patent/BR112013031796A2/pt
Publication of BR112013031796B1 publication Critical patent/BR112013031796B1/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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • G10L19/0208—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
    • 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
    • G10L21/00—Speech or voice signal processing techniques 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
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

abstract not avaible
BR112013031796-5A 2011-06-10 2012-06-05 método e equipamento para codificação de um sinal BR112013031796B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/157,371 US9070361B2 (en) 2011-06-10 2011-06-10 Method and apparatus for encoding a wideband speech signal utilizing downmixing of a highband component
US13/157,371 2011-06-10
PCT/US2012/040844 WO2012170385A1 (en) 2011-06-10 2012-06-05 Method and apparatus for encoding a signal

Publications (2)

Publication Number Publication Date
BR112013031796A2 true BR112013031796A2 (pt) 2016-12-20
BR112013031796B1 BR112013031796B1 (pt) 2021-03-09

Family

ID=46246278

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013031796-5A BR112013031796B1 (pt) 2011-06-10 2012-06-05 método e equipamento para codificação de um sinal

Country Status (8)

Country Link
US (1) US9070361B2 (pt)
EP (1) EP2718926B1 (pt)
KR (1) KR101613345B1 (pt)
CN (1) CN103608860B (pt)
BR (1) BR112013031796B1 (pt)
CA (1) CA2838201C (pt)
MX (1) MX2013014493A (pt)
WO (1) WO2012170385A1 (pt)

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JP6179122B2 (ja) * 2013-02-20 2017-08-16 富士通株式会社 オーディオ符号化装置、オーディオ符号化方法、オーディオ符号化プログラム
EP2830051A3 (en) 2013-07-22 2015-03-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals
US10083708B2 (en) 2013-10-11 2018-09-25 Qualcomm Incorporated Estimation of mixing factors to generate high-band excitation signal
US10803877B2 (en) 2015-09-04 2020-10-13 Samsung Electronics Co., Ltd. Signal processing methods and apparatuses for enhancing sound quality
US10573326B2 (en) * 2017-04-05 2020-02-25 Qualcomm Incorporated Inter-channel bandwidth extension
US11388408B2 (en) * 2018-12-03 2022-07-12 Dolby Laboratories Licensing Corporation Interpolation of reshaping functions
WO2021026314A1 (en) * 2019-08-08 2021-02-11 Boomcloud 360, Inc. Nonlinear adaptive filterbanks for psychoacoustic frequency range extension

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Publication number Priority date Publication date Assignee Title
KR920010633A (ko) 1990-11-30 1992-06-26 김광호 반도체 메모리 장치의 기준전압 발생회로
WO1997014266A2 (en) * 1995-10-10 1997-04-17 Audiologic, Inc. Digital signal processing hearing aid with processing strategy selection
TW321810B (pt) * 1995-10-26 1997-12-01 Sony Co Ltd
SE512719C2 (sv) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
US6182031B1 (en) * 1998-09-15 2001-01-30 Intel Corp. Scalable audio coding system
US6947509B1 (en) 1999-11-30 2005-09-20 Verance Corporation Oversampled filter bank for subband processing
AU2110001A (en) 1999-12-31 2001-07-16 Thomson Licensing S.A. Subband adpcm voice encoding and decoding
US6732070B1 (en) * 2000-02-16 2004-05-04 Nokia Mobile Phones, Ltd. Wideband speech codec using a higher sampling rate in analysis and synthesis filtering than in excitation searching
US20050004803A1 (en) * 2001-11-23 2005-01-06 Jo Smeets Audio signal bandwidth extension
US7403577B2 (en) * 2004-06-09 2008-07-22 The Aerospace Corporation Generalized polyphase channelization system
BRPI0608269B8 (pt) * 2005-04-01 2019-09-03 Qualcomm Inc método e aparelho para quantização vetorial de uma representação de envelope espectral
ES2358125T3 (es) * 2005-04-01 2011-05-05 Qualcomm Incorporated Procedimiento y aparato para un filtrado de antidispersión de una señal ensanchada de excitación de predicción de velocidad de ancho de banda.
BRPI0707135A2 (pt) * 2006-01-18 2011-04-19 Lg Electronics Inc. aparelho e método para codificação e decodificação de sinal
KR100848324B1 (ko) 2006-12-08 2008-07-24 한국전자통신연구원 음성 부호화 장치 및 그 방법
US8015368B2 (en) * 2007-04-20 2011-09-06 Siport, Inc. Processor extensions for accelerating spectral band replication
JP4337913B2 (ja) * 2007-06-04 2009-09-30 ソニー株式会社 受信装置、プログラム、および受信方法
JP5083884B2 (ja) 2007-11-15 2012-11-28 独立行政法人産業技術総合研究所 周波数変換装置
RU2010125221A (ru) 2007-11-21 2011-12-27 ЭлДжи ЭЛЕКТРОНИКС ИНК. (KR) Способ и устройство для обработки сигнала
KR101397058B1 (ko) * 2009-11-12 2014-05-20 엘지전자 주식회사 신호 처리 방법 및 이의 장치
CN102667920B (zh) * 2009-12-16 2014-03-12 杜比国际公司 Sbr比特流参数缩混
US8600737B2 (en) * 2010-06-01 2013-12-03 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for wideband speech coding

Also Published As

Publication number Publication date
EP2718926A1 (en) 2014-04-16
BR112013031796B1 (pt) 2021-03-09
CN103608860B (zh) 2016-06-22
WO2012170385A1 (en) 2012-12-13
CA2838201A1 (en) 2012-12-13
US9070361B2 (en) 2015-06-30
KR101613345B1 (ko) 2016-04-18
US20120316885A1 (en) 2012-12-13
KR20140009560A (ko) 2014-01-22
CN103608860A (zh) 2014-02-26
EP2718926B1 (en) 2017-09-13
CA2838201C (en) 2016-10-18
MX2013014493A (es) 2014-03-27

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Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: GOOGLE TECHNOLOGY HOLDINGS LLC (US)

B06F Objections, documents and/or translations needed after an examination request according art. 34 industrial property law
B06U Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure
B09A Decision: intention to grant
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 05/06/2012, OBSERVADAS AS CONDICOES LEGAIS.