BR112018008874A8 - aparelho e método de decodificação, e, programa. - Google Patents

aparelho e método de decodificação, e, programa.

Info

Publication number
BR112018008874A8
BR112018008874A8 BR112018008874A BR112018008874A BR112018008874A8 BR 112018008874 A8 BR112018008874 A8 BR 112018008874A8 BR 112018008874 A BR112018008874 A BR 112018008874A BR 112018008874 A BR112018008874 A BR 112018008874A BR 112018008874 A8 BR112018008874 A8 BR 112018008874A8
Authority
BR
Brazil
Prior art keywords
decoding
bits
processing unit
audio bits
present
Prior art date
Application number
BR112018008874A
Other languages
English (en)
Other versions
BR112018008874A2 (pt
Inventor
Honma Hiroyuki
Tsuji Minoru
Hatanaka Mitsuyuki
Chinen Toru
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of BR112018008874A2 publication Critical patent/BR112018008874A2/pt
Publication of BR112018008874A8 publication Critical patent/BR112018008874A8/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
    • G10L19/04—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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] 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
    • 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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • 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
    • G10L19/0212—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 orthogonal transformation
    • 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
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

a presente invenção refere-se a um dispositivo de decodificação, a um método de decodificação e a um programa configurados para ser capaz para alternativamente decodificar e transmitir, tão rapidamente quanto possível, uma pluralidade de fluxos contínuos de bits de áudio codificados para os quais a temporização de reprodução é sincronizada. o dispositivo de decodificação, que é um aspecto da presente invenção, é provido com: uma unidade de aquisição para aquisição da pluralidade de fluxos contínuos de bits de áudio codificados; uma unidade de seleção para determinar uma posição limite para comutar a saída da pluralidade de fluxos contínuos de bits de áudio codificados, e seletivamente suprir para uma unidade de processamento de decodificação de acordo com a posição limite um da pluralidade de fluxos contínuos de bits de áudio codificados adquiridos; e a unidade de processamento de decodificação para realizar um processo de decodificação, que inclui processamento imdct, em um fluxo contínuo de bits que foi inserido por meio da unidade de seleção, a unidade de processamento de decodificação eliminando a adição de sobreposição do processo imdct que corresponde a cada um dos quadros que precedem e seguem a posição limite. a presente invenção é aplicável, por exemplo, em um dispositivo de recepção, um dispositivo de reprodução e semelhantes.
BR112018008874A 2015-11-09 2016-10-26 aparelho e método de decodificação, e, programa. BR112018008874A8 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2015-219415 2015-11-09
JP2015219415 2015-11-09
PCT/JP2016/081699 WO2017082050A1 (ja) 2015-11-09 2016-10-26 デコード装置、デコード方法、およびプログラム

Publications (2)

Publication Number Publication Date
BR112018008874A2 BR112018008874A2 (pt) 2018-11-06
BR112018008874A8 true BR112018008874A8 (pt) 2019-02-26

Family

ID=58695167

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018008874A BR112018008874A8 (pt) 2015-11-09 2016-10-26 aparelho e método de decodificação, e, programa.

Country Status (8)

Country Link
US (1) US10553230B2 (pt)
EP (1) EP3376500B1 (pt)
JP (1) JP6807033B2 (pt)
KR (1) KR20180081504A (pt)
CN (1) CN108352165B (pt)
BR (1) BR112018008874A8 (pt)
RU (1) RU2718418C2 (pt)
WO (1) WO2017082050A1 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10424311B2 (en) 2017-01-30 2019-09-24 Cirrus Logic, Inc. Auto-mute audio processing
CN110730408A (zh) * 2019-11-11 2020-01-24 北京达佳互联信息技术有限公司 一种音频参数切换方法、装置、电子设备及存储介质

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3666021B2 (ja) * 1993-12-18 2005-06-29 ソニー株式会社 データ再生装置
JPH08287610A (ja) * 1995-04-18 1996-11-01 Sony Corp オーディオデータの再生装置
JP3761639B2 (ja) * 1995-09-29 2006-03-29 ユナイテッド・モジュール・コーポレーション オーディオ復号装置
US5867819A (en) 1995-09-29 1999-02-02 Nippon Steel Corporation Audio decoder
DE19861167A1 (de) * 1998-08-19 2000-06-15 Christoph Buskies Verfahren und Vorrichtung zur koartikulationsgerechten Konkatenation von Audiosegmenten sowie Vorrichtungen zur Bereitstellung koartikulationsgerecht konkatenierter Audiodaten
GB9911737D0 (en) * 1999-05-21 1999-07-21 Philips Electronics Nv Audio signal time scale modification
US7792681B2 (en) * 1999-12-17 2010-09-07 Interval Licensing Llc Time-scale modification of data-compressed audio information
JP2002026738A (ja) * 2000-07-11 2002-01-25 Mitsubishi Electric Corp オーディオデータ復号処理装置および方法、ならびにオーディオデータ復号処理プログラムを記録したコンピュータ読取可能な記録媒体
US7113538B1 (en) * 2000-11-01 2006-09-26 Nortel Networks Limited Time diversity searcher and scheduling method
US7069208B2 (en) * 2001-01-24 2006-06-27 Nokia, Corp. System and method for concealment of data loss in digital audio transmission
US7189913B2 (en) * 2003-04-04 2007-03-13 Apple Computer, Inc. Method and apparatus for time compression and expansion of audio data with dynamic tempo change during playback
US7260035B2 (en) * 2003-06-20 2007-08-21 Matsushita Electric Industrial Co., Ltd. Recording/playback device
US20050149973A1 (en) * 2004-01-06 2005-07-07 Fang Henry Y. Television with application/stream-specifiable language selection
CA2457988A1 (en) * 2004-02-18 2005-08-18 Voiceage Corporation Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization
US8326606B2 (en) 2004-10-26 2012-12-04 Panasonic Corporation Sound encoding device and sound encoding method
SG124307A1 (en) * 2005-01-20 2006-08-30 St Microelectronics Asia Method and system for lost packet concealment in high quality audio streaming applications
DE102005014477A1 (de) * 2005-03-30 2006-10-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen eines Datenstroms und zum Erzeugen einer Multikanal-Darstellung
JP5032314B2 (ja) * 2005-06-23 2012-09-26 パナソニック株式会社 オーディオ符号化装置、オーディオ復号化装置およびオーディオ符号化情報伝送装置
CN101026725B (zh) * 2005-07-15 2010-09-29 索尼株式会社 再现设备及再现方法
US8015000B2 (en) * 2006-08-03 2011-09-06 Broadcom Corporation Classification-based frame loss concealment for audio signals
US8010350B2 (en) * 2006-08-03 2011-08-30 Broadcom Corporation Decimated bisectional pitch refinement
DE102007028175A1 (de) * 2007-06-20 2009-01-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Automatisiertes Verfahren zur zeitlichen Segmentierung eines Videos in Szenen unter Berücksichtigung verschiedener Typen von Übergängen zwischen Bildfolgen
US8392197B2 (en) * 2007-08-22 2013-03-05 Nec Corporation Speaker speed conversion system, method for same, and speed conversion device
MY154452A (en) * 2008-07-11 2015-06-15 Fraunhofer Ges Forschung An apparatus and a method for decoding an encoded audio signal
US8577673B2 (en) * 2008-09-15 2013-11-05 Huawei Technologies Co., Ltd. CELP post-processing for music signals
US8185384B2 (en) * 2009-04-21 2012-05-22 Cambridge Silicon Radio Limited Signal pitch period estimation
US9992456B2 (en) * 2010-02-24 2018-06-05 Thomson Licensing Dtv Method and apparatus for hypothetical reference decoder conformance error detection
TWI476761B (zh) * 2011-04-08 2015-03-11 Dolby Lab Licensing Corp 用以產生可由實施不同解碼協定之解碼器所解碼的統一位元流之音頻編碼方法及系統
US20150309844A1 (en) * 2012-03-06 2015-10-29 Sirius Xm Radio Inc. Systems and Methods for Audio Attribute Mapping
EP2849180B1 (en) * 2012-05-11 2020-01-01 Panasonic Corporation Hybrid audio signal encoder, hybrid audio signal decoder, method for encoding audio signal, and method for decoding audio signal
TWI557727B (zh) * 2013-04-05 2016-11-11 杜比國際公司 音訊處理系統、多媒體處理系統、處理音訊位元流的方法以及電腦程式產品
US9685164B2 (en) * 2014-03-31 2017-06-20 Qualcomm Incorporated Systems and methods of switching coding technologies at a device
US20160071524A1 (en) * 2014-09-09 2016-03-10 Nokia Corporation Audio Modification for Multimedia Reversal
US10614609B2 (en) * 2017-07-19 2020-04-07 Mediatek Inc. Method and apparatus for reduction of artifacts at discontinuous boundaries in coded virtual-reality images

Also Published As

Publication number Publication date
CN108352165B (zh) 2023-02-03
RU2018115550A3 (pt) 2020-01-31
US10553230B2 (en) 2020-02-04
RU2718418C2 (ru) 2020-04-02
BR112018008874A2 (pt) 2018-11-06
CN108352165A (zh) 2018-07-31
WO2017082050A1 (ja) 2017-05-18
JP6807033B2 (ja) 2021-01-06
EP3376500A1 (en) 2018-09-19
US20180286419A1 (en) 2018-10-04
EP3376500A4 (en) 2018-09-19
EP3376500B1 (en) 2019-08-21
KR20180081504A (ko) 2018-07-16
RU2018115550A (ru) 2019-10-28
JPWO2017082050A1 (ja) 2018-08-30

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Legal Events

Date Code Title Description
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]
B11D Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time