FI970553A - Audiokoodausmenetelmä ja -laite - Google Patents

Audiokoodausmenetelmä ja -laite Download PDF

Info

Publication number
FI970553A
FI970553A FI970553A FI970553A FI970553A FI 970553 A FI970553 A FI 970553A FI 970553 A FI970553 A FI 970553A FI 970553 A FI970553 A FI 970553A FI 970553 A FI970553 A FI 970553A
Authority
FI
Finland
Prior art keywords
coding method
audio coding
audio
coding
Prior art date
Application number
FI970553A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI970553A0 (fi
Inventor
Lin Yin
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
Priority to FI970553A priority Critical patent/FI970553A/fi
Publication of FI970553A0 publication Critical patent/FI970553A0/fi
Priority to AU56648/98A priority patent/AU5664898A/en
Priority to PCT/FI1998/000029 priority patent/WO1998035447A2/fr
Priority to SE9800338A priority patent/SE9800338L/xx
Priority to JP2461598A priority patent/JPH10260699A/ja
Priority to DE1998104584 priority patent/DE19804584A1/de
Priority to GB9802611A priority patent/GB2322776B/en
Priority to FR9801430A priority patent/FR2759510A1/fr
Priority to CN 98107058 priority patent/CN1202513C/zh
Publication of FI970553A publication Critical patent/FI970553A/fi

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)
FI970553A 1997-02-07 1997-02-07 Audiokoodausmenetelmä ja -laite FI970553A (fi)

Priority Applications (9)

Application Number Priority Date Filing Date Title
FI970553A FI970553A (fi) 1997-02-07 1997-02-07 Audiokoodausmenetelmä ja -laite
AU56648/98A AU5664898A (en) 1997-02-07 1998-01-15 Audio coding method and apparatus
PCT/FI1998/000029 WO1998035447A2 (fr) 1997-02-07 1998-01-15 Technique de codage audio et appareil correspondant
SE9800338A SE9800338L (sv) 1997-02-07 1998-02-05 Sätt och anordning för audiokodning
JP2461598A JPH10260699A (ja) 1997-02-07 1998-02-05 音声符号化方法および装置
DE1998104584 DE19804584A1 (de) 1997-02-07 1998-02-05 Verfahren und Vorrichtung zum Codieren und Decodieren von Audiosignalen
GB9802611A GB2322776B (en) 1997-02-07 1998-02-06 Audio coding method and apparatus
FR9801430A FR2759510A1 (fr) 1997-02-07 1998-02-06 Methode de codage audio et dispositif
CN 98107058 CN1202513C (zh) 1997-02-07 1998-02-06 音频编码、译码方法和装置及其应用

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FI970553A0 FI970553A0 (fi) 1997-02-07
FI970553A true FI970553A (fi) 1998-08-08

Family

ID=8548146

Family Applications (1)

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

Country Status (9)

Country Link
JP (1) JPH10260699A (fr)
CN (1) CN1202513C (fr)
AU (1) AU5664898A (fr)
DE (1) DE19804584A1 (fr)
FI (1) FI970553A (fr)
FR (1) FR2759510A1 (fr)
GB (1) GB2322776B (fr)
SE (1) SE9800338L (fr)
WO (1) WO1998035447A2 (fr)

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
US8665945B2 (en) * 2009-03-10 2014-03-04 Nippon Telegraph And Telephone Corporation Encoding method, decoding method, encoding device, decoding device, program, and recording medium
CN106409299B (zh) * 2012-03-29 2019-11-05 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
CN1111959C (zh) * 1993-11-09 2003-06-18 索尼公司 量化装置、量化方法、高效率编码装置、高效率编码方法、解码装置和高效率解码装置
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
GB9802611D0 (en) 1998-04-01
GB2322776B (en) 2002-03-13
GB2322776A (en) 1998-09-02
FR2759510A1 (fr) 1998-08-14
CN1202513C (zh) 2005-05-18
JPH10260699A (ja) 1998-09-29
SE9800338L (sv) 1998-08-08
CN1199959A (zh) 1998-11-25
WO1998035447A3 (fr) 1998-11-19
WO1998035447A2 (fr) 1998-08-13
DE19804584A1 (de) 1998-08-13
AU5664898A (en) 1998-08-26
FI970553A0 (fi) 1997-02-07
SE9800338D0 (sv) 1998-02-05

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