BR112017002947B1 - conceito para comutação de taxas de amostragem em dispositivos de processamento de áudio - Google Patents

conceito para comutação de taxas de amostragem em dispositivos de processamento de áudio Download PDF

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Publication number
BR112017002947B1
BR112017002947B1 BR112017002947-2A BR112017002947A BR112017002947B1 BR 112017002947 B1 BR112017002947 B1 BR 112017002947B1 BR 112017002947 A BR112017002947 A BR 112017002947A BR 112017002947 B1 BR112017002947 B1 BR 112017002947B1
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Brazil
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audio
memory
previous
decoded audio
memory state
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BR112017002947-2A
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English (en)
Portuguese (pt)
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BR112017002947A2 (pt
Inventor
Stefan DÖHLA
Guillaume Fuchs
Bernhard Grill
Markus Multrus
Grzegorz Pietrzyk
Emmanuel RAVELLI
Markus Schnell
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Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E. V.
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Publication of BR112017002947A2 publication Critical patent/BR112017002947A2/pt
Publication of BR112017002947B1 publication Critical patent/BR112017002947B1/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
    • G10L19/04—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
    • 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
    • G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
    • 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
    • G10L19/04—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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
    • 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
    • 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
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0002—Codebook adaptations

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  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
BR112017002947-2A 2014-08-18 2015-08-14 conceito para comutação de taxas de amostragem em dispositivos de processamento de áudio BR112017002947B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP14181307.1 2014-08-18
EP14181307.1A EP2988300A1 (en) 2014-08-18 2014-08-18 Switching of sampling rates at audio processing devices
PCT/EP2015/068778 WO2016026788A1 (en) 2014-08-18 2015-08-14 Concept for switching of sampling rates at audio processing devices

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BR112017002947A2 BR112017002947A2 (pt) 2017-12-05
BR112017002947B1 true BR112017002947B1 (pt) 2021-02-17

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US (3) US10783898B2 (cg-RX-API-DMAC7.html)
EP (4) EP2988300A1 (cg-RX-API-DMAC7.html)
JP (1) JP6349458B2 (cg-RX-API-DMAC7.html)
KR (1) KR102120355B1 (cg-RX-API-DMAC7.html)
CN (2) CN113724719B (cg-RX-API-DMAC7.html)
AR (1) AR101578A1 (cg-RX-API-DMAC7.html)
AU (1) AU2015306260B2 (cg-RX-API-DMAC7.html)
BR (1) BR112017002947B1 (cg-RX-API-DMAC7.html)
CA (1) CA2957855C (cg-RX-API-DMAC7.html)
ES (3) ES3049391T3 (cg-RX-API-DMAC7.html)
MX (1) MX360557B (cg-RX-API-DMAC7.html)
MY (1) MY187283A (cg-RX-API-DMAC7.html)
PL (3) PL4328908T3 (cg-RX-API-DMAC7.html)
PT (1) PT3183729T (cg-RX-API-DMAC7.html)
RU (1) RU2690754C2 (cg-RX-API-DMAC7.html)
SG (1) SG11201701267XA (cg-RX-API-DMAC7.html)
TW (1) TWI587291B (cg-RX-API-DMAC7.html)
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Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR122020015614B1 (pt) 2014-04-17 2022-06-07 Voiceage Evs Llc Método e dispositivo para interpolar parâmetros de filtro de predição linear em um quadro de processamento de sinal sonoro atual seguindo um quadro de processamento de sinal sonoro anterior
EP2988300A1 (en) * 2014-08-18 2016-02-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Switching of sampling rates at audio processing devices
EP3483882A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Controlling bandwidth in encoders and/or decoders
EP3483883A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio coding and decoding with selective postfiltering
WO2019091576A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits
EP3483884A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signal filtering
WO2019091573A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters
EP3483880A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Temporal noise shaping
EP3483878A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder supporting a set of different loss concealment tools
EP3483879A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Analysis/synthesis windowing function for modulated lapped transformation
EP3483886A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Selecting pitch lag
US11601483B2 (en) * 2018-02-14 2023-03-07 Genband Us Llc System, methods, and computer program products for selecting codec parameters

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3982070A (en) * 1974-06-05 1976-09-21 Bell Telephone Laboratories, Incorporated Phase vocoder speech synthesis system
JPS60224341A (ja) * 1984-04-20 1985-11-08 Nippon Telegr & Teleph Corp <Ntt> 音声符号化方法
US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
JP3134817B2 (ja) * 1997-07-11 2001-02-13 日本電気株式会社 音声符号化復号装置
US7446774B1 (en) * 1998-11-09 2008-11-04 Broadcom Corporation Video and graphics system with an integrated system bridge controller
TW479220B (en) * 1998-11-10 2002-03-11 Tdk Corp Digital audio recording and reproducing apparatus
MXPA01010913A (es) 1999-04-30 2002-05-06 Thomson Licensing Sa Metodo y aparato para procesar datos de audio digitalmente codificados.
US6829579B2 (en) 2002-01-08 2004-12-07 Dilithium Networks, Inc. Transcoding method and system between CELP-based speech codes
JP2004023598A (ja) * 2002-06-19 2004-01-22 Matsushita Electric Ind Co Ltd 音声データ記録再生装置
JP3947191B2 (ja) * 2004-10-26 2007-07-18 ソニー株式会社 予測係数生成装置及び予測係数生成方法
JP4639073B2 (ja) * 2004-11-18 2011-02-23 キヤノン株式会社 オーディオ信号符号化装置および方法
US7489259B2 (en) * 2006-08-01 2009-02-10 Creative Technology Ltd. Sample rate converter and method to perform sample rate conversion
CN101361113B (zh) * 2006-08-15 2011-11-30 美国博通公司 丢包后的约束和受控解码
DE602006013359D1 (de) * 2006-09-13 2010-05-12 Ericsson Telefon Ab L M Ender und empfänger
CN101025918B (zh) * 2007-01-19 2011-06-29 清华大学 一种语音/音乐双模编解码无缝切换方法
GB2455526A (en) * 2007-12-11 2009-06-17 Sony Corp Generating water marked copies of audio signals and detecting them using a shuffle data store
WO2010003532A1 (en) * 2008-07-11 2010-01-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme
KR101325335B1 (ko) * 2008-07-11 2013-11-08 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 오디오 샘플 인코드 및 디코드용 오디오 인코더 및 디코더
US8140342B2 (en) 2008-12-29 2012-03-20 Motorola Mobility, Inc. Selective scaling mask computation based on peak detection
EP4362014B1 (en) * 2009-10-20 2025-04-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio signal decoder, corresponding method and computer program
GB2476041B (en) * 2009-12-08 2017-03-01 Skype Encoding and decoding speech signals
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
CN102783034B (zh) * 2011-02-01 2014-12-17 华为技术有限公司 用于提供信号处理系数的方法和设备
US9037456B2 (en) * 2011-07-26 2015-05-19 Google Technology Holdings LLC Method and apparatus for audio coding and decoding
US9594536B2 (en) * 2011-12-29 2017-03-14 Ati Technologies Ulc Method and apparatus for electronic device communication
US9043201B2 (en) * 2012-01-03 2015-05-26 Google Technology Holdings LLC Method and apparatus for processing audio frames to transition between different codecs
FR3013496A1 (fr) * 2013-11-15 2015-05-22 Orange Transition d'un codage/decodage par transformee vers un codage/decodage predictif
BR122020015614B1 (pt) * 2014-04-17 2022-06-07 Voiceage Evs Llc Método e dispositivo para interpolar parâmetros de filtro de predição linear em um quadro de processamento de sinal sonoro atual seguindo um quadro de processamento de sinal sonoro anterior
FR3023646A1 (fr) * 2014-07-11 2016-01-15 Orange Mise a jour des etats d'un post-traitement a une frequence d'echantillonnage variable selon la trame
EP2988300A1 (en) * 2014-08-18 2016-02-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Switching of sampling rates at audio processing devices

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PL3739580T3 (pl) 2024-09-02
TW201612896A (en) 2016-04-01
JP2017528759A (ja) 2017-09-28
EP3739580A1 (en) 2020-11-18
ES2828949T3 (es) 2021-05-28
PL3183729T3 (pl) 2021-03-08
SG11201701267XA (en) 2017-03-30
JP6349458B2 (ja) 2018-06-27
AU2015306260B2 (en) 2018-10-18
US20200381001A1 (en) 2020-12-03
US11443754B2 (en) 2022-09-13
EP2988300A1 (en) 2016-02-24
KR102120355B1 (ko) 2020-06-08
AR101578A1 (es) 2016-12-28
TWI587291B (zh) 2017-06-11
MY187283A (en) 2021-09-19
EP4328908B1 (en) 2025-09-17
US20170154635A1 (en) 2017-06-01
EP3183729A1 (en) 2017-06-28
WO2016026788A1 (en) 2016-02-25
US11830511B2 (en) 2023-11-28
PT3183729T (pt) 2020-12-04
EP4328908C0 (en) 2025-09-17
BR112017002947A2 (pt) 2017-12-05
RU2017108839A (ru) 2018-09-20
CN113724719A (zh) 2021-11-30
AU2015306260A1 (en) 2017-03-09
PL4328908T3 (pl) 2026-02-02
RU2690754C2 (ru) 2019-06-05
CA2957855A1 (en) 2016-02-25
CN106663443B (zh) 2021-06-29
RU2017108839A3 (cg-RX-API-DMAC7.html) 2018-09-20
CN113724719B (zh) 2023-08-08
CA2957855C (en) 2020-05-12
EP3739580C0 (en) 2024-04-17
EP3739580B1 (en) 2024-04-17
US20230022258A1 (en) 2023-01-26
US10783898B2 (en) 2020-09-22
ES3049391T3 (en) 2025-12-16
EP4328908A2 (en) 2024-02-28
CN106663443A (zh) 2017-05-10
MX2017002108A (es) 2017-05-12
ES2980944T3 (es) 2024-10-03
MX360557B (es) 2018-11-07
EP4328908A3 (en) 2024-03-13
EP3183729B1 (en) 2020-09-02
KR20170041827A (ko) 2017-04-17

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