AU2110001A - Subband adpcm voice encoding and decoding - Google Patents

Subband adpcm voice encoding and decoding

Info

Publication number
AU2110001A
AU2110001A AU21100/01A AU2110001A AU2110001A AU 2110001 A AU2110001 A AU 2110001A AU 21100/01 A AU21100/01 A AU 21100/01A AU 2110001 A AU2110001 A AU 2110001A AU 2110001 A AU2110001 A AU 2110001A
Authority
AU
Australia
Prior art keywords
decoding
voice encoding
adpcm voice
subband adpcm
subband
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.)
Abandoned
Application number
AU21100/01A
Inventor
Paul Gothard Knutson
Kumar Ramaswamy
John William Richardson
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.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
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 Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of AU2110001A publication Critical patent/AU2110001A/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L25/12—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 prediction coefficients
AU21100/01A 1999-12-31 2000-12-19 Subband adpcm voice encoding and decoding Abandoned AU2110001A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US47594999A 1999-12-31 1999-12-31
US09475949 1999-12-31
PCT/US2000/034410 WO2001050458A1 (en) 1999-12-31 2000-12-19 Subband adpcm voice encoding and decoding

Publications (1)

Publication Number Publication Date
AU2110001A true AU2110001A (en) 2001-07-16

Family

ID=23889858

Family Applications (1)

Application Number Title Priority Date Filing Date
AU21100/01A Abandoned AU2110001A (en) 1999-12-31 2000-12-19 Subband adpcm voice encoding and decoding

Country Status (2)

Country Link
AU (1) AU2110001A (en)
WO (1) WO2001050458A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4245288B2 (en) * 2001-11-13 2009-03-25 パナソニック株式会社 Speech coding apparatus and speech decoding apparatus
US8379740B2 (en) 2008-12-23 2013-02-19 Stmicroelectronics S.A. Wide-band signal processor
US9070361B2 (en) * 2011-06-10 2015-06-30 Google Technology Holdings LLC Method and apparatus for encoding a wideband speech signal utilizing downmixing of a highband component
WO2017050669A1 (en) 2015-09-22 2017-03-30 Koninklijke Philips N.V. Audio signal processing

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4622680A (en) * 1984-10-17 1986-11-11 General Electric Company Hybrid subband coder/decoder method and apparatus

Also Published As

Publication number Publication date
WO2001050458A1 (en) 2001-07-12

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase