ATE340400T1 - Tragbares informationsteminal, verfahren zur verarbeitung von audiodaten, aufzeichnungsmedium und programm - Google Patents

Tragbares informationsteminal, verfahren zur verarbeitung von audiodaten, aufzeichnungsmedium und programm

Info

Publication number
ATE340400T1
ATE340400T1 AT00944374T AT00944374T ATE340400T1 AT E340400 T1 ATE340400 T1 AT E340400T1 AT 00944374 T AT00944374 T AT 00944374T AT 00944374 T AT00944374 T AT 00944374T AT E340400 T1 ATE340400 T1 AT E340400T1
Authority
AT
Austria
Prior art keywords
audio data
buffer
processor
data
defining
Prior art date
Application number
AT00944374T
Other languages
English (en)
Inventor
Takayuki Wakimura
Original Assignee
Sony Computer Entertainment Inc
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 Sony Computer Entertainment Inc filed Critical Sony Computer Entertainment Inc
Application granted granted Critical
Publication of ATE340400T1 publication Critical patent/ATE340400T1/de

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00007—Time or data compression or expansion
    • 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
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10037—A/D conversion, D/A conversion, sampling, slicing and digital quantisation or adjusting parameters thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/665—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using psychoacoustic properties of the ear, e.g. masking effect
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/60—Solid state media
    • G11B2220/65—Solid state media wherein solid state memory is used for storing indexing information or metadata

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
AT00944374T 1999-07-12 2000-07-10 Tragbares informationsteminal, verfahren zur verarbeitung von audiodaten, aufzeichnungsmedium und programm ATE340400T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19812199A JP3594514B2 (ja) 1999-07-12 1999-07-12 エンコーダ、デコーダ、音声データ処理装置、音声データ処理システム、音声データ圧縮方法、音声データ伸張方法、音声データ処理方法及び記録媒体

Publications (1)

Publication Number Publication Date
ATE340400T1 true ATE340400T1 (de) 2006-10-15

Family

ID=16385813

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00944374T ATE340400T1 (de) 1999-07-12 2000-07-10 Tragbares informationsteminal, verfahren zur verarbeitung von audiodaten, aufzeichnungsmedium und programm

Country Status (14)

Country Link
US (1) US6567782B1 (de)
EP (1) EP1110137B1 (de)
JP (1) JP3594514B2 (de)
KR (1) KR20010087357A (de)
CN (1) CN1199174C (de)
AT (1) ATE340400T1 (de)
AU (1) AU5851700A (de)
BR (1) BR0006912A (de)
CA (1) CA2343374A1 (de)
DE (1) DE60030827D1 (de)
NZ (1) NZ510652A (de)
RU (1) RU2001106991A (de)
TW (1) TW579624B (de)
WO (1) WO2001004734A2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7730401B2 (en) * 2001-05-16 2010-06-01 Synaptics Incorporated Touch screen with user interface enhancement
US7006001B2 (en) * 2002-06-04 2006-02-28 Estrada Mark A Speech-emitting celebration device
WO2006080149A1 (ja) * 2005-01-25 2006-08-03 Matsushita Electric Industrial Co., Ltd. 音復元装置および音復元方法
CN100561582C (zh) * 2006-05-22 2009-11-18 上海奇码数字信息有限公司 音频解码器和音频解码方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4357489A (en) * 1980-02-04 1982-11-02 Texas Instruments Incorporated Low voltage speech synthesis system with pulse width digital-to-analog converter
US5206884A (en) * 1990-10-25 1993-04-27 Comsat Transform domain quantization technique for adaptive predictive coding
JP3153933B2 (ja) 1992-06-16 2001-04-09 ソニー株式会社 データ符号化装置及び方法並びにデータ復号化装置及び方法
WO1994012629A1 (en) * 1992-12-02 1994-06-09 Baylor College Of Medicine Episomal vectors for gene therapy
US5717394A (en) * 1993-02-10 1998-02-10 Ricoh Company Ltd. Method and apparatus for encoding and decoding data
JP3123290B2 (ja) * 1993-03-09 2001-01-09 ソニー株式会社 圧縮データ記録装置及び方法、圧縮データ再生方法、記録媒体
US5508949A (en) * 1993-12-29 1996-04-16 Hewlett-Packard Company Fast subband filtering in digital signal coding
US5784532A (en) * 1994-02-16 1998-07-21 Qualcomm Incorporated Application specific integrated circuit (ASIC) for performing rapid speech compression in a mobile telephone system
US5742694A (en) * 1996-07-12 1998-04-21 Eatwell; Graham P. Noise reduction filter
CN1150456C (zh) * 1996-10-15 2004-05-19 松下电器产业株式会社 图象编码方法和编码设备
SG87837A1 (en) * 1998-10-08 2002-04-16 Sony Computer Entertainment Inc Portable toy, portable information terminal, intertainment system, and recording medium

Also Published As

Publication number Publication date
EP1110137A1 (de) 2001-06-27
BR0006912A (pt) 2001-07-31
WO2001004734A3 (en) 2001-03-29
US6567782B1 (en) 2003-05-20
NZ510652A (en) 2003-04-29
CN1319229A (zh) 2001-10-24
WO2001004734A2 (en) 2001-01-18
EP1110137B1 (de) 2006-09-20
AU5851700A (en) 2001-01-30
CN1199174C (zh) 2005-04-27
CA2343374A1 (en) 2001-01-18
JP2001028547A (ja) 2001-01-30
RU2001106991A (ru) 2003-03-10
KR20010087357A (ko) 2001-09-15
JP3594514B2 (ja) 2004-12-02
TW579624B (en) 2004-03-11
DE60030827D1 (de) 2006-11-02

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Westwater Digital audio presentation and compression

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