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JPH10260699A - 音声符号化方法および装置 - Google Patents

音声符号化方法および装置

Info

Publication number
JPH10260699A
JPH10260699A JP10024615A JP2461598A JPH10260699A JP H10260699 A JPH10260699 A JP H10260699A JP 10024615 A JP10024615 A JP 10024615A JP 2461598 A JP2461598 A JP 2461598A JP H10260699 A JPH10260699 A JP H10260699A
Authority
JP
Japan
Prior art keywords
spectral
value
error
values
prediction
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.)
Withdrawn
Application number
JP10024615A
Other languages
English (en)
Japanese (ja)
Inventor
Lin Yin
イーン リン
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.)
Nokia Oyj
Original Assignee
Nokia Mobile Phones Ltd
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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Publication of JPH10260699A publication Critical patent/JPH10260699A/ja
Withdrawn legal-status Critical Current

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
    • G10L19/02—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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
JP10024615A 1997-02-07 1998-02-05 音声符号化方法および装置 Withdrawn JPH10260699A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI970553A FI970553L (fi) 1997-02-07 1997-02-07 Audiokoodausmenetelmä ja -laite
FI970553 1997-02-07

Publications (1)

Publication Number Publication Date
JPH10260699A true JPH10260699A (ja) 1998-09-29

Family

ID=8548146

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10024615A Withdrawn JPH10260699A (ja) 1997-02-07 1998-02-05 音声符号化方法および装置

Country Status (9)

Country Link
JP (1) JPH10260699A (zh)
CN (1) CN1202513C (zh)
AU (1) AU5664898A (zh)
DE (1) DE19804584A1 (zh)
FI (1) FI970553L (zh)
FR (1) FR2759510A1 (zh)
GB (1) GB2322776B (zh)
SE (1) SE9800338L (zh)
WO (1) WO1998035447A2 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8332216B2 (en) 2006-01-12 2012-12-11 Stmicroelectronics Asia Pacific Pte., Ltd. System and method for low power stereo perceptual audio coding using adaptive masking threshold
US7610195B2 (en) * 2006-06-01 2009-10-27 Nokia Corporation Decoding of predictively coded data using buffer adaptation
CN102341844B (zh) * 2009-03-10 2013-10-16 日本电信电话株式会社 编码方法、解码方法、编码装置、解码装置
CN103368682B (zh) * 2012-03-29 2016-12-07 华为技术有限公司 信号编码和解码的方法和设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02131038A (ja) * 1988-11-10 1990-05-18 Pioneer Electron Corp 信号伝送装置
JP3343965B2 (ja) * 1992-10-31 2002-11-11 ソニー株式会社 音声符号化方法及び復号化方法
US5774844A (en) * 1993-11-09 1998-06-30 Sony Corporation Methods and apparatus for quantizing, encoding and decoding and recording media therefor
US5684920A (en) * 1994-03-17 1997-11-04 Nippon Telegraph And Telephone Acoustic signal transform coding method and decoding method having a high efficiency envelope flattening method therein
DE19526366A1 (de) * 1995-07-20 1997-01-23 Bosch Gmbh Robert Verfahren zur Redundanzreduktion bei der Codierung von mehrkanaligen Signalen und Vorrichtung zur Dekodierung von redundanzreduzierten, mehrkanaligen Signalen
GB2318029B (en) * 1996-10-01 2000-11-08 Nokia Mobile Phones Ltd Audio coding method and apparatus

Also Published As

Publication number Publication date
SE9800338D0 (sv) 1998-02-05
CN1199959A (zh) 1998-11-25
FI970553A0 (fi) 1997-02-07
SE9800338L (sv) 1998-08-08
WO1998035447A2 (en) 1998-08-13
FR2759510A1 (fr) 1998-08-14
FI970553L (fi) 1998-08-08
GB9802611D0 (en) 1998-04-01
DE19804584A1 (de) 1998-08-13
GB2322776B (en) 2002-03-13
CN1202513C (zh) 2005-05-18
GB2322776A (en) 1998-09-02
WO1998035447A3 (en) 1998-11-19
AU5664898A (en) 1998-08-26

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Legal Events

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Effective date: 20050405