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FR2857552B1 - METHOD FOR DECODING A SIGNAL FOR RECONSTITUTING A LOW-COMPLEXITY TIME-FREQUENCY-BASED SOUND SCENE AND CORRESPONDING DEVICE - Google Patents

METHOD FOR DECODING A SIGNAL FOR RECONSTITUTING A LOW-COMPLEXITY TIME-FREQUENCY-BASED SOUND SCENE AND CORRESPONDING DEVICE

Info

Publication number
FR2857552B1
FR2857552B1 FR0308579A FR0308579A FR2857552B1 FR 2857552 B1 FR2857552 B1 FR 2857552B1 FR 0308579 A FR0308579 A FR 0308579A FR 0308579 A FR0308579 A FR 0308579A FR 2857552 B1 FR2857552 B1 FR 2857552B1
Authority
FR
France
Prior art keywords
reconstituting
decoding
frequency
signal
low
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
FR0308579A
Other languages
French (fr)
Other versions
FR2857552A1 (en
Inventor
Jean Bernard Rault
Pierrick Philippe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Orange SA
Original Assignee
France Telecom SA
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 France Telecom SA filed Critical France Telecom SA
Priority to FR0308579A priority Critical patent/FR2857552B1/en
Publication of FR2857552A1 publication Critical patent/FR2857552A1/en
Application granted granted Critical
Publication of FR2857552B1 publication Critical patent/FR2857552B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/86—Arrangements characterised by the broadcast information itself
    • H04H20/88—Stereophonic broadcast systems
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Stereophonic System (AREA)
FR0308579A 2003-07-11 2003-07-11 METHOD FOR DECODING A SIGNAL FOR RECONSTITUTING A LOW-COMPLEXITY TIME-FREQUENCY-BASED SOUND SCENE AND CORRESPONDING DEVICE Expired - Fee Related FR2857552B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0308579A FR2857552B1 (en) 2003-07-11 2003-07-11 METHOD FOR DECODING A SIGNAL FOR RECONSTITUTING A LOW-COMPLEXITY TIME-FREQUENCY-BASED SOUND SCENE AND CORRESPONDING DEVICE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0308579A FR2857552B1 (en) 2003-07-11 2003-07-11 METHOD FOR DECODING A SIGNAL FOR RECONSTITUTING A LOW-COMPLEXITY TIME-FREQUENCY-BASED SOUND SCENE AND CORRESPONDING DEVICE

Publications (2)

Publication Number Publication Date
FR2857552A1 FR2857552A1 (en) 2005-01-14
FR2857552B1 true FR2857552B1 (en) 2006-05-05

Family

ID=33522995

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0308579A Expired - Fee Related FR2857552B1 (en) 2003-07-11 2003-07-11 METHOD FOR DECODING A SIGNAL FOR RECONSTITUTING A LOW-COMPLEXITY TIME-FREQUENCY-BASED SOUND SCENE AND CORRESPONDING DEVICE

Country Status (1)

Country Link
FR (1) FR2857552B1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2821475B1 (en) * 2001-02-23 2003-05-09 France Telecom METHOD AND DEVICE FOR SPECTRALLY RECONSTRUCTING MULTI-CHANNEL SIGNALS, ESPECIALLY STEREOPHONIC SIGNALS
SE0202159D0 (en) * 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications

Also Published As

Publication number Publication date
FR2857552A1 (en) 2005-01-14

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20130329