AU2014211583B2 - Apparatus and method for selecting one of a first audio encoding algorithm and a second audio encoding algorithm - Google Patents

Apparatus and method for selecting one of a first audio encoding algorithm and a second audio encoding algorithm Download PDF

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AU2014211583B2
AU2014211583B2 AU2014211583A AU2014211583A AU2014211583B2 AU 2014211583 B2 AU2014211583 B2 AU 2014211583B2 AU 2014211583 A AU2014211583 A AU 2014211583A AU 2014211583 A AU2014211583 A AU 2014211583A AU 2014211583 B2 AU2014211583 B2 AU 2014211583B2
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audio signal
estimated
adaptive codebook
weighted
encoding
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AU2014211583A1 (en
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Stefan Doehla
Eleni FOTOPOULOU
Guillaume Fuchs
Christian Helmrich
Emmanuel Ravelli
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Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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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
    • 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
    • G10L19/08—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
    • G10L19/125—Pitch excitation, e.g. pitch synchronous innovation CELP [PSI-CELP]
    • 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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
AU2014211583A 2013-01-29 2014-01-28 Apparatus and method for selecting one of a first audio encoding algorithm and a second audio encoding algorithm Active AU2014211583B2 (en)

Applications Claiming Priority (3)

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US201361758100P 2013-01-29 2013-01-29
US61/758,100 2013-01-29
PCT/EP2014/051557 WO2014118136A1 (en) 2013-01-29 2014-01-28 Apparatus and method for selecting one of a first audio encoding algorithm and a second audio encoding algorithm

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AU2014211583A1 AU2014211583A1 (en) 2015-09-17
AU2014211583B2 true AU2014211583B2 (en) 2017-01-05

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WO2017050398A1 (en) * 2015-09-25 2017-03-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder, decoder and methods for signal-adaptive switching of the overlap ratio in audio transform coding
US10225730B2 (en) * 2016-06-24 2019-03-05 The Nielsen Company (Us), Llc Methods and apparatus to perform audio sensor selection in an audience measurement device
CN112105902B (zh) * 2018-04-11 2022-07-22 杜比实验室特许公司 基于机器学习的用于音频编码和解码的基于感知的损失函数

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RU2618848C2 (ru) 2017-05-12
PL2951820T3 (pl) 2017-06-30
CN105229736A (zh) 2016-01-06
BR112015018021B1 (pt) 2022-10-11
JP2016505902A (ja) 2016-02-25
EP2951820B1 (en) 2016-12-07
CN110517700B (zh) 2023-06-09
SG11201505947XA (en) 2015-09-29
AR094676A1 (es) 2015-08-19
HK1218461A1 (en) 2017-02-17
KR101701081B1 (ko) 2017-01-31
US20230079574A1 (en) 2023-03-16
PT2951820T (pt) 2017-03-02
US20190103121A1 (en) 2019-04-04
CA2899013C (en) 2017-11-07
CA2899013A1 (en) 2014-08-07
CN105229736B (zh) 2019-07-19
MX347410B (es) 2017-04-26
TWI549120B (zh) 2016-09-11
KR20150108848A (ko) 2015-09-30
JP6148810B2 (ja) 2017-06-14
US11908485B2 (en) 2024-02-20
US10622000B2 (en) 2020-04-14
BR112015018021A2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 2017-07-11
MY189267A (en) 2022-01-31
WO2014118136A1 (en) 2014-08-07
US11521631B2 (en) 2022-12-06
US20150332698A1 (en) 2015-11-19
ES2616434T3 (es) 2017-06-13
MX2015009745A (es) 2015-11-06
CN110517700A (zh) 2019-11-29
AU2014211583A1 (en) 2015-09-17
TW201434037A (zh) 2014-09-01
EP2951820A1 (en) 2015-12-09
US20200227059A1 (en) 2020-07-16
RU2015136467A (ru) 2017-03-07

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