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

Info

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
Authority
BR
Brazil
Prior art keywords
audio
memory
previous
decoded audio
memory state
Prior art date
Application number
BR112017002947-2A
Other languages
English (en)
Portuguese (pt)
Other versions
BR112017002947A2 (pt
Inventor
Stefan DÖHLA
Guillaume Fuchs
Bernhard Grill
Markus Multrus
Grzegorz Pietrzyk
Emmanuel RAVELLI
Markus Schnell
Original Assignee
Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E. V.
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 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E. V. filed Critical Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E. V.
Publication of BR112017002947A2 publication Critical patent/BR112017002947A2/pt
Publication of BR112017002947B1 publication Critical patent/BR112017002947B1/pt

Links

Images

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
    • 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

Landscapes

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

Publications (2)

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

Family

ID=51352467

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017002947-2A BR112017002947B1 (pt) 2014-08-18 2015-08-14 conceito para comutação de taxas de amostragem em dispositivos de processamento de áudio

Country Status (18)

Country Link
US (3) US10783898B2 (enExample)
EP (4) EP2988300A1 (enExample)
JP (1) JP6349458B2 (enExample)
KR (1) KR102120355B1 (enExample)
CN (2) CN113724719B (enExample)
AR (1) AR101578A1 (enExample)
AU (1) AU2015306260B2 (enExample)
BR (1) BR112017002947B1 (enExample)
CA (1) CA2957855C (enExample)
ES (2) ES2980944T3 (enExample)
MX (1) MX360557B (enExample)
MY (1) MY187283A (enExample)
PL (2) PL3183729T3 (enExample)
PT (1) PT3183729T (enExample)
RU (1) RU2690754C2 (enExample)
SG (1) SG11201701267XA (enExample)
TW (1) TWI587291B (enExample)
WO (1) WO2016026788A1 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112016022466B1 (pt) 2014-04-17 2020-12-08 Voiceage Evs Llc método para codificar um sinal sonoro, método para decodificar um sinal sonoro, dispositivo para codificar um sinal sonoro e dispositivo para decodificar um sinal sonoro
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
EP3483886A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Selecting pitch lag
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
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
EP3483882A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Controlling bandwidth in encoders and/or decoders
EP3483880A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Temporal noise shaping
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
EP3483883A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio coding and decoding with selective postfiltering
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
EP3483884A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signal filtering
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
EP1001428A3 (en) * 1998-11-10 2000-11-29 TDK Corporation Digital audio recording and reproducing apparatus
WO2000067258A1 (en) 1999-04-30 2000-11-09 Thomson Licensing S.A. Method and apparatus for processing digitally encoded audio data
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
CN101375330B (zh) * 2006-08-15 2012-02-08 美国博通公司 丢包后解码音频信号的时间扭曲的方法
ES2343862T3 (es) * 2006-09-13 2010-08-11 Telefonaktiebolaget Lm Ericsson (Publ) Metodos y disposiciones para un emisor y receptor de conversacion/audio.
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
EP2301020B1 (en) * 2008-07-11 2013-01-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme
ES2564400T3 (es) * 2008-07-11 2016-03-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificador y descodificador de audio para codificar y descodificar muestras de audio
US8140342B2 (en) * 2008-12-29 2012-03-20 Motorola Mobility, Inc. Selective scaling mask computation based on peak detection
PL2491556T3 (pl) * 2009-10-20 2024-08-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Dekoder sygnału audio, odpowiadający mu sposób oraz program komputerowy
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
BR112016022466B1 (pt) * 2014-04-17 2020-12-08 Voiceage Evs Llc método para codificar um sinal sonoro, método para decodificar um sinal sonoro, dispositivo para codificar um sinal sonoro e dispositivo para decodificar um sinal sonoro
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

Also Published As

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

Similar Documents

Publication Publication Date Title
BR112017002947B1 (pt) conceito para comutação de taxas de amostragem em dispositivos de processamento de áudio
ES2671006T3 (es) Reconstrucción de una trama de voz
BR112013020239A2 (pt) geração de ruído em codecs de áudio
BR112013016267B1 (pt) processos de codificação e decodificação de um sinal não numérico, codificador e decodificador de sinal som numérico
BR112015014217B1 (pt) Adição de ruído de conforto para modelagem do ruído de fundo em baixas taxas de bits
BR112015018017B1 (pt) Descodificador para a geração de um sinal áudio de frequência melhorada, método de descodificação, codificador para a geração de um sinal codificado e método de codificação com informação lateral de seleção compacta
JP2021103325A (ja) 改善されたピッチラグ推定を採用するａｃｅｌｐ型封じ込めにおける適応型コードブックの改善された封じ込めのための装置および方法
BR112016012689B1 (pt) aparelho e método para decodificar um sinal de áudio codificado com baixos recursos computacionais
BR112015008505B1 (pt) Método e dispositivo para codificação de áudio e método e dispositivo para decodificação de áudio
JP6607921B2 (ja) Ｌｐｄ／ｆｄ移行フレームエンコードのためのバジェットの決定
HK1233758B (en) Switching of sampling rates at audio processing devices
HK1233758A1 (en) Switching of sampling rates at audio processing devices
BR122023014005B1 (pt) Decodificador de áudio e método utilizando uma resposta de entrada zero para obter uma transição suave
BR122020018257B1 (pt) Descodificador para a geração de um sinal áudio de frequência melhorada, método de descodificação, codificador para a geração de um sinal codificado e método de codificação com informação lateral de seleção compacta

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]
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 14/08/2015, OBSERVADAS AS CONDICOES LEGAIS.