BR9506263A - Processo e aparelho codificador e decodificador de sinais suporte de gravação e processo de transmissão de sinais - Google Patents

Processo e aparelho codificador e decodificador de sinais suporte de gravação e processo de transmissão de sinais

Info

Publication number
BR9506263A
BR9506263A BR9506263A BR9506263A BR9506263A BR 9506263 A BR9506263 A BR 9506263A BR 9506263 A BR9506263 A BR 9506263A BR 9506263 A BR9506263 A BR 9506263A BR 9506263 A BR9506263 A BR 9506263A
Authority
BR
Brazil
Prior art keywords
noise components
signal
apparatus support
channels
signal transmission
Prior art date
Application number
BR9506263A
Other languages
English (en)
Inventor
Yoshiaki Oikawa
Kyoya Tsutsui
Shinji Miyamori
Masatoshi Ueno
Original Assignee
Sony Corp
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 Corp filed Critical Sony Corp
Publication of BR9506263A publication Critical patent/BR9506263A/pt

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
    • G10L19/012—Comfort noise or silence coding
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • 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
    • G11B20/24—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing noise
    • 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
    • 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
    • H04B1/667—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 a division in frequency subbands
    • 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
    • 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
    • G11B2020/10537—Audio or video recording
    • G11B2020/10592—Audio or video recording specifically adapted for recording or reproducing multichannel signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BR9506263A 1994-06-13 1995-06-12 Processo e aparelho codificador e decodificador de sinais suporte de gravação e processo de transmissão de sinais BR9506263A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP13069594 1994-06-13
PCT/JP1995/001172 WO1995034956A1 (fr) 1994-06-13 1995-06-12 Procede et dispositif de codage de signal, procede et dispositif de decodage de signal, support d'enregistrement et dispositif de transmission de signaux

Publications (1)

Publication Number Publication Date
BR9506263A true BR9506263A (pt) 1997-08-12

Family

ID=15040418

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9506263A BR9506263A (pt) 1994-06-13 1995-06-12 Processo e aparelho codificador e decodificador de sinais suporte de gravação e processo de transmissão de sinais

Country Status (14)

Country Link
US (1) US6061649A (pt)
EP (1) EP0714173B1 (pt)
JP (1) JP3428024B2 (pt)
KR (1) KR100419546B1 (pt)
CN (1) CN1101087C (pt)
AT (1) ATE293276T1 (pt)
BR (1) BR9506263A (pt)
CA (1) CA2169366A1 (pt)
DE (1) DE69534140T2 (pt)
ES (1) ES2236708T3 (pt)
MX (1) MX9600574A (pt)
PL (1) PL184295B1 (pt)
TW (1) TW295747B (pt)
WO (1) WO1995034956A1 (pt)

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WO2008084688A1 (ja) * 2006-12-27 2008-07-17 Panasonic Corporation 符号化装置、復号装置及びこれらの方法
KR101261524B1 (ko) * 2007-03-14 2013-05-06 삼성전자주식회사 노이즈를 포함하는 오디오 신호를 저비트율로부호화/복호화하는 방법 및 이를 위한 장치
JPWO2008132850A1 (ja) * 2007-04-25 2010-07-22 パナソニック株式会社 ステレオ音声符号化装置、ステレオ音声復号装置、およびこれらの方法
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Also Published As

Publication number Publication date
EP0714173A1 (en) 1996-05-29
JP3428024B2 (ja) 2003-07-22
EP0714173B1 (en) 2005-04-13
MX9600574A (es) 1997-04-30
PL312947A1 (en) 1996-05-27
ES2236708T3 (es) 2005-07-16
US6061649A (en) 2000-05-09
CN1101087C (zh) 2003-02-05
DE69534140D1 (de) 2005-05-19
CN1130961A (zh) 1996-09-11
DE69534140T2 (de) 2006-02-16
KR100419546B1 (ko) 2004-05-27
CA2169366A1 (en) 1995-12-21
ATE293276T1 (de) 2005-04-15
WO1995034956A1 (fr) 1995-12-21
EP0714173A4 (en) 2002-05-02
TW295747B (pt) 1997-01-11
PL184295B1 (pl) 2002-09-30

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law
B15K Others concerning applications: alteration of classification

Free format text: PROCEDIMENTO AUTOMATICO DE RECLASSIFICACAO. AS CLASSIFICACOES IPC ANTERIORES ERAM: H03M 7/30; G11B 20/10; G10L 7/04; G10L 9/18; H04B 14/04.

Ipc: H04H 20/88 (2008.01), G10L 19/012 (2013.01), G10L

Ipc: H04H 20/88 (2008.01), G10L 19/012 (2013.01), G10L