BR112015000247B1 - Decodificador, método de decodificação, codificador, método de codificação, e sistema de codificação e decodificação. - Google Patents

Decodificador, método de decodificação, codificador, método de codificação, e sistema de codificação e decodificação. Download PDF

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Publication number
BR112015000247B1
BR112015000247B1 BR112015000247-1A BR112015000247A BR112015000247B1 BR 112015000247 B1 BR112015000247 B1 BR 112015000247B1 BR 112015000247 A BR112015000247 A BR 112015000247A BR 112015000247 B1 BR112015000247 B1 BR 112015000247B1
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BR
Brazil
Prior art keywords
frequency
downmix
time
audio
time slices
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BR112015000247-1A
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English (en)
Portuguese (pt)
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BR112015000247A2 (pt
Inventor
Arnoldus Werner Johannes Oomen
Jeroen Gerardus Henricus Koppens
Erik Gosuinus Petrus Schuijers
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Koninklijke Philips N.V.
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Publication of BR112015000247A2 publication Critical patent/BR112015000247A2/pt
Publication of BR112015000247B1 publication Critical patent/BR112015000247B1/pt

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    • 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • 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
    • 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
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • 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
    • G10L19/26—Pre-filtering or post-filtering
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding

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  • 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)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
BR112015000247-1A 2012-07-09 2013-07-09 Decodificador, método de decodificação, codificador, método de codificação, e sistema de codificação e decodificação. BR112015000247B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261669197P 2012-07-09 2012-07-09
US61/669,197 2012-07-09
PCT/IB2013/055628 WO2014009878A2 (en) 2012-07-09 2013-07-09 Encoding and decoding of audio signals

Publications (2)

Publication Number Publication Date
BR112015000247A2 BR112015000247A2 (pt) 2017-06-27
BR112015000247B1 true BR112015000247B1 (pt) 2021-08-03

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BR112015000247-1A BR112015000247B1 (pt) 2012-07-09 2013-07-09 Decodificador, método de decodificação, codificador, método de codificação, e sistema de codificação e decodificação.

Country Status (9)

Country Link
US (1) US9478228B2 (enExample)
EP (2) EP3748632A1 (enExample)
JP (1) JP6231093B2 (enExample)
CN (1) CN104428835B (enExample)
BR (1) BR112015000247B1 (enExample)
MX (1) MX342150B (enExample)
RU (1) RU2643644C2 (enExample)
WO (1) WO2014009878A2 (enExample)
ZA (1) ZA201500888B (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9674587B2 (en) * 2012-06-26 2017-06-06 Sonos, Inc. Systems and methods for networked music playback including remote add to queue
US9489954B2 (en) * 2012-08-07 2016-11-08 Dolby Laboratories Licensing Corporation Encoding and rendering of object based audio indicative of game audio content
BR112015029031B1 (pt) 2013-05-24 2021-02-23 Dolby International Ab Método e codificador para codificar um vetor de parâmetros em umsistema de codificação de áudio, método e decodificador para decodificar umvetor de símbolos codificados por entropia em um sistema de decodificação deáudio, e meio de armazenamento legível por computador
US9774974B2 (en) 2014-09-24 2017-09-26 Electronics And Telecommunications Research Institute Audio metadata providing apparatus and method, and multichannel audio data playback apparatus and method to support dynamic format conversion
TWI587286B (zh) 2014-10-31 2017-06-11 杜比國際公司 音頻訊號之解碼和編碼的方法及系統、電腦程式產品、與電腦可讀取媒體
AU2016269886B2 (en) * 2015-06-02 2020-11-12 Sony Corporation Transmission device, transmission method, media processing device, media processing method, and reception device
US10693936B2 (en) * 2015-08-25 2020-06-23 Qualcomm Incorporated Transporting coded audio data
US9961467B2 (en) * 2015-10-08 2018-05-01 Qualcomm Incorporated Conversion from channel-based audio to HOA
US9854375B2 (en) * 2015-12-01 2017-12-26 Qualcomm Incorporated Selection of coded next generation audio data for transport
KR102261905B1 (ko) * 2016-03-15 2021-06-08 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 음장 기술을 생성하기 위한 장치, 방법, 또는 컴퓨터 프로그램
CN113242508B (zh) 2017-03-06 2022-12-06 杜比国际公司 基于音频数据流渲染音频输出的方法、解码器系统和介质
US9820073B1 (en) 2017-05-10 2017-11-14 Tls Corp. Extracting a common signal from multiple audio signals
BR112021009306A2 (pt) 2018-11-20 2021-08-10 Sony Group Corporation dispositivo e método de processamento de informações, e, programa.
GB2587614A (en) * 2019-09-26 2021-04-07 Nokia Technologies Oy Audio encoding and audio decoding
US11930349B2 (en) * 2020-11-24 2024-03-12 Naver Corporation Computer system for producing audio content for realizing customized being-there and method thereof
KR102500694B1 (ko) * 2020-11-24 2023-02-16 네이버 주식회사 사용자 맞춤형 현장감 실현을 위한 오디오 콘텐츠를 제작하는 컴퓨터 시스템 및 그의 방법
JP7536733B2 (ja) * 2020-11-24 2024-08-20 ネイバー コーポレーション オーディオと関連してユーザカスタム型臨場感を実現するためのコンピュータシステムおよびその方法
EP4320876A4 (en) * 2021-04-08 2024-11-06 Nokia Technologies Oy SEPARATION OF SPATIAL AUDIO OBJECTS
CN115497485B (zh) * 2021-06-18 2024-10-18 华为技术有限公司 三维音频信号编码方法、装置、编码器和系统
JP7745100B2 (ja) * 2021-11-02 2025-09-26 北京小米移動軟件有限公司 信号の符号化および復号化方法、装置、ユーザイクイップメント、ネットワーク側デバイス並びに記憶媒体

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7644003B2 (en) * 2001-05-04 2010-01-05 Agere Systems Inc. Cue-based audio coding/decoding
ES2307160T3 (es) * 2004-04-05 2008-11-16 Koninklijke Philips Electronics N.V. Codificador multicanal.
US7831434B2 (en) 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding
US9014377B2 (en) * 2006-05-17 2015-04-21 Creative Technology Ltd Multichannel surround format conversion and generalized upmix
US8345899B2 (en) * 2006-05-17 2013-01-01 Creative Technology Ltd Phase-amplitude matrixed surround decoder
UA94117C2 (ru) * 2006-10-16 2011-04-11 Долби Свиден Ав Усовершенстованное кодирование и отображение параметров многоканального кодирования микшированных объектов
KR101102401B1 (ko) * 2006-11-24 2012-01-05 엘지전자 주식회사 오브젝트 기반 오디오 신호의 부호화 및 복호화 방법과 그 장치
CN101490745B (zh) * 2006-11-24 2013-02-27 Lg电子株式会社 用于编码和解码基于对象的音频信号的方法和装置
JP2008252834A (ja) * 2007-03-30 2008-10-16 Toshiba Corp 音声再生装置
US8612237B2 (en) * 2007-04-04 2013-12-17 Apple Inc. Method and apparatus for determining audio spatial quality
CA2702986C (en) * 2007-10-17 2016-08-16 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio coding using downmix
CA2710560C (en) * 2008-01-01 2015-10-27 Lg Electronics Inc. A method and an apparatus for processing an audio signal
KR101596504B1 (ko) * 2008-04-23 2016-02-23 한국전자통신연구원 객체기반 오디오 컨텐츠의 생성/재생 방법 및 객체기반 오디오 서비스를 위한 파일 포맷 구조를 가진 데이터를 기록한 컴퓨터 판독 가능 기록 매체
JPWO2010005050A1 (ja) * 2008-07-11 2012-01-05 日本電気株式会社 信号分析装置、信号制御装置及びその方法と、プログラム
US8504184B2 (en) * 2009-02-04 2013-08-06 Panasonic Corporation Combination device, telecommunication system, and combining method
KR101387902B1 (ko) * 2009-06-10 2014-04-22 한국전자통신연구원 다객체 오디오 신호를 부호화하는 방법 및 부호화 장치, 복호화 방법 및 복호화 장치, 그리고 트랜스코딩 방법 및 트랜스코더
SG177277A1 (en) * 2009-06-24 2012-02-28 Fraunhofer Ges Forschung Audio signal decoder, method for decoding an audio signal and computer program using cascaded audio object processing stages
KR101615262B1 (ko) * 2009-08-12 2016-04-26 삼성전자주식회사 시멘틱 정보를 이용한 멀티 채널 오디오 인코딩 및 디코딩 방법 및 장치
BR112012007138B1 (pt) * 2009-09-29 2021-11-30 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Decodificador de sinal de áudio, codificador de sinal de áudio, método para prover uma representação de mescla ascendente de sinal, método para prover uma representação de mescla descendente de sinal e fluxo de bits usando um valor de parâmetro comum de correlação intra- objetos
KR101666465B1 (ko) * 2010-07-22 2016-10-17 삼성전자주식회사 다채널 오디오 신호 부호화/복호화 장치 및 방법
EP2686654A4 (en) * 2011-03-16 2015-03-11 Dts Inc CODING AND PLAYING THREE-DIMENSIONAL AUDIOSPURES
KR20130093798A (ko) * 2012-01-02 2013-08-23 한국전자통신연구원 다채널 신호 부호화 및 복호화 장치 및 방법

Also Published As

Publication number Publication date
WO2014009878A3 (en) 2014-03-13
BR112015000247A2 (pt) 2017-06-27
MX2015000113A (es) 2015-08-10
RU2015104074A (ru) 2016-08-27
JP6231093B2 (ja) 2017-11-15
EP2870603B1 (en) 2020-09-30
CN104428835B (zh) 2017-10-31
US9478228B2 (en) 2016-10-25
EP2870603A2 (en) 2015-05-13
EP3748632A1 (en) 2020-12-09
US20150142453A1 (en) 2015-05-21
CN104428835A (zh) 2015-03-18
WO2014009878A2 (en) 2014-01-16
MX342150B (es) 2016-09-15
RU2643644C2 (ru) 2018-02-02
ZA201500888B (en) 2017-01-25
JP2015527609A (ja) 2015-09-17

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Legal Events

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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]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 09/07/2013, OBSERVADAS AS CONDICOES LEGAIS.