AR101578A1 - Concepto para el cambio de las tasas de muestreo en los dispositivos de procesamiento de audio - Google Patents

Concepto para el cambio de las tasas de muestreo en los dispositivos de procesamiento de audio

Info

Publication number
AR101578A1
AR101578A1 ARP150102651A ARP150102651A AR101578A1 AR 101578 A1 AR101578 A1 AR 101578A1 AR P150102651 A ARP150102651 A AR P150102651A AR P150102651 A ARP150102651 A AR P150102651A AR 101578 A1 AR101578 A1 AR 101578A1
Authority
AR
Argentina
Prior art keywords
audio
memory
audio frame
memories
decoded
Prior art date
Application number
ARP150102651A
Other languages
English (en)
Spanish (es)
Inventor
Schnell Markus
Ravelli Emmanuel
Pietrzyk Grzegorz
Multrus Markus
Grill Bernhard
Fuchs Guillaume
Doehla Stefan
Original Assignee
Fraunhofer Ges Forschung
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 Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of AR101578A1 publication Critical patent/AR101578A1/es

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/24Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/173Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/20Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/22Mode decision, i.e. based on audio signal content versus external parameters
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/26Pre-filtering or post-filtering
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L2019/0001Codebooks
    • G10L2019/0002Codebook 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)
ARP150102651A 2014-08-18 2015-08-18 Concepto para el cambio de las tasas de muestreo en los dispositivos de procesamiento de audio AR101578A1 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
AR101578A1 true AR101578A1 (es) 2016-12-28

Family

ID=51352467

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP150102651A AR101578A1 (es) 2014-08-18 2015-08-18 Concepto para el cambio de las tasas de muestreo en los dispositivos de procesamiento de audio

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)

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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
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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
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
BR112017002947B1 (pt) 2021-02-17
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

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