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SG11201502691QA - Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping - Google Patents

Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping

Info

Publication number
SG11201502691QA
SG11201502691QA SG11201502691QA SG11201502691QA SG11201502691QA SG 11201502691Q A SG11201502691Q A SG 11201502691QA SG 11201502691Q A SG11201502691Q A SG 11201502691QA SG 11201502691Q A SG11201502691Q A SG 11201502691QA SG 11201502691Q A SG11201502691Q A SG 11201502691QA
Authority
SG
Singapore
Prior art keywords
decoding
encoding
audio signal
encoded audio
temporal noise
Prior art date
Application number
SG11201502691QA
Other languages
English (en)
Inventor
Sascha Disch
Frederik Nagel
Ralf Geiger
Balaji Nagendran Thoshkahna
Konstantin Schmidt
Stefan Bayer
Christian Neukam
Bernd Edler
Christian Helmrich
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 SG11201502691QA publication Critical patent/SG11201502691QA/en

Links

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
    • G10L19/008—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
    • G10L19/02—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
    • G10L19/0208—Subband vocoders
    • 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
    • G10L19/02—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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • G—PHYSICS
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    • 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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • G10L19/025—Detection of transients or attacks for time/frequency resolution switching
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    • 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
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    • 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
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    • 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
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    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
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    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
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    • G—PHYSICS
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    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • G10L21/0388—Details of processing therefor
    • G—PHYSICS
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    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/21—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being power information
    • 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
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    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
SG11201502691QA 2013-07-22 2014-07-15 Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping SG11201502691QA (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
EP13177346 2013-07-22
EP13177348 2013-07-22
EP13177353 2013-07-22
EP13177350 2013-07-22
EP13189358.8A EP2830061A1 (en) 2013-07-22 2013-10-18 Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping
PCT/EP2014/065123 WO2015010954A1 (en) 2013-07-22 2014-07-15 Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping

Publications (1)

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SG11201502691QA true SG11201502691QA (en) 2015-05-28

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Family Applications (7)

Application Number Title Priority Date Filing Date
SG11201600506VA SG11201600506VA (en) 2013-07-22 2014-07-15 Apparatus and method for decoding or encoding an audio signal using energy information values for a reconstruction band
SG11201600496XA SG11201600496XA (en) 2013-07-22 2014-07-15 Apparatus, method and computer program for decoding an encoded audio signal
SG11201502691QA SG11201502691QA (en) 2013-07-22 2014-07-15 Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping
SG11201600494UA SG11201600494UA (en) 2013-07-22 2014-07-15 Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework
SG11201600401RA SG11201600401RA (en) 2013-07-22 2014-07-15 Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection
SG11201600464WA SG11201600464WA (en) 2013-07-22 2014-07-15 Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domain
SG11201600422SA SG11201600422SA (en) 2013-07-22 2014-07-15 Apparatus and method for decoding an encoded audio signal using a cross-over filter around a transition frequency

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SG11201600506VA SG11201600506VA (en) 2013-07-22 2014-07-15 Apparatus and method for decoding or encoding an audio signal using energy information values for a reconstruction band
SG11201600496XA SG11201600496XA (en) 2013-07-22 2014-07-15 Apparatus, method and computer program for decoding an encoded audio signal

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SG11201600494UA SG11201600494UA (en) 2013-07-22 2014-07-15 Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework
SG11201600401RA SG11201600401RA (en) 2013-07-22 2014-07-15 Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection
SG11201600464WA SG11201600464WA (en) 2013-07-22 2014-07-15 Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domain
SG11201600422SA SG11201600422SA (en) 2013-07-22 2014-07-15 Apparatus and method for decoding an encoded audio signal using a cross-over filter around a transition frequency

Country Status (19)

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US (24) US10332539B2 (es)
EP (20) EP2830061A1 (es)
JP (12) JP6144773B2 (es)
KR (7) KR101681253B1 (es)
CN (12) CN105556603B (es)
AU (7) AU2014295301B2 (es)
BR (12) BR122022010960B1 (es)
CA (8) CA2918807C (es)
ES (9) ES2827774T3 (es)
MX (7) MX353999B (es)
MY (5) MY175978A (es)
PL (8) PL3407350T3 (es)
PT (7) PT3017448T (es)
RU (7) RU2607263C2 (es)
SG (7) SG11201600506VA (es)
TR (1) TR201816157T4 (es)
TW (7) TWI541797B (es)
WO (7) WO2015010947A1 (es)
ZA (5) ZA201502262B (es)

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