HK7796A - Audio signal transmission method - Google Patents

Audio signal transmission method

Info

Publication number
HK7796A
HK7796A HK7796A HK7796A HK7796A HK 7796 A HK7796 A HK 7796A HK 7796 A HK7796 A HK 7796A HK 7796 A HK7796 A HK 7796A HK 7796 A HK7796 A HK 7796A
Authority
HK
Hong Kong
Prior art keywords
signal
consideration
transmission
audio signal
psycho
Prior art date
Application number
HK7796A
Other languages
English (en)
Inventor
Ernst Dipl-Ing Schroeder
Walter Dipl-Ing Voessing
Original Assignee
Thomson Brandt Gmbh
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 Brandt Gmbh filed Critical Thomson Brandt Gmbh
Publication of HK7796A publication Critical patent/HK7796A/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Control Of Transmission Device (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
HK7796A 1987-02-03 1996-01-18 Audio signal transmission method HK7796A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873703143 DE3703143A1 (de) 1987-02-03 1987-02-03 Verfahren zur uebertragung eines audiosignals

Publications (1)

Publication Number Publication Date
HK7796A true HK7796A (en) 1996-01-26

Family

ID=6320103

Family Applications (1)

Application Number Title Priority Date Filing Date
HK7796A HK7796A (en) 1987-02-03 1996-01-18 Audio signal transmission method

Country Status (8)

Country Link
US (1) US4942607A (ko)
EP (1) EP0277613B1 (ko)
JP (1) JP2801197B2 (ko)
KR (1) KR950012980B1 (ko)
AT (1) ATE114899T1 (ko)
DE (2) DE3703143A1 (ko)
ES (1) ES2065893T3 (ko)
HK (1) HK7796A (ko)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8700985A (nl) * 1987-04-27 1988-11-16 Philips Nv Systeem voor sub-band codering van een digitaal audiosignaal.
US5179623A (en) * 1988-05-26 1993-01-12 Telefunken Fernseh und Rudfunk GmbH Method for transmitting an audio signal with an improved signal to noise ratio
DE3902948A1 (de) * 1989-02-01 1990-08-09 Telefunken Fernseh & Rundfunk Verfahren zur uebertragung eines signals
KR0160526B1 (ko) * 1989-10-06 1998-12-01 헤르메스 보르드만 신호전송방법
JPH03132700A (ja) * 1989-10-18 1991-06-06 Victor Co Of Japan Ltd 音声の適応直交変換符号化方法
JPH03139700A (ja) 1989-10-25 1991-06-13 Sony Corp オーディオ信号再生装置
US6695477B1 (en) * 1989-10-25 2004-02-24 Sony Corporation Audio signal reproducing apparatus
JP2861238B2 (ja) * 1990-04-20 1999-02-24 ソニー株式会社 ディジタル信号符号化方法
US5367608A (en) * 1990-05-14 1994-11-22 U.S. Philips Corporation Transmitter, encoding system and method employing use of a bit allocation unit for subband coding a digital signal
DE4020656A1 (de) * 1990-06-29 1992-01-02 Thomson Brandt Gmbh Verfahren zur uebertragung eines signals
JP2906646B2 (ja) * 1990-11-09 1999-06-21 松下電器産業株式会社 音声帯域分割符号化装置
US5365553A (en) * 1990-11-30 1994-11-15 U.S. Philips Corporation Transmitter, encoding system and method employing use of a bit need determiner for subband coding a digital signal
CA2090052C (en) * 1992-03-02 1998-11-24 Anibal Joao De Sousa Ferreira Method and apparatus for the perceptual coding of audio signals
DE4211945C1 (ko) * 1992-04-09 1993-05-19 Institut Fuer Rundfunktechnik Gmbh, 8000 Muenchen, De
US5703999A (en) * 1992-05-25 1997-12-30 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Process for reducing data in the transmission and/or storage of digital signals from several interdependent channels
JP2976701B2 (ja) * 1992-06-24 1999-11-10 日本電気株式会社 量子化ビット数割当方法
EP0649137A4 (en) * 1993-04-14 1998-10-21 Sony Corp SIGNAL TRANSFORMATION METHOD AND APPARATUS AND RECORDING MEDIUM.
NZ331166A (en) * 1994-03-31 2000-07-28 Ceridian Corp Hiding audio frequency codes in audio frequency program signals
FR2723493B1 (fr) * 1994-08-05 1997-01-10 France Telecom Procede et dispositif de codage et de decodage sonore par compression frequentielle, notamment pour application a une memoire de masse sonore.
US5696879A (en) * 1995-05-31 1997-12-09 International Business Machines Corporation Method and apparatus for improved voice transmission
US5963899A (en) * 1996-08-07 1999-10-05 U S West, Inc. Method and system for region based filtering of speech
US5806025A (en) * 1996-08-07 1998-09-08 U S West, Inc. Method and system for adaptive filtering of speech signals using signal-to-noise ratio to choose subband filter bank
US6098038A (en) * 1996-09-27 2000-08-01 Oregon Graduate Institute Of Science & Technology Method and system for adaptive speech enhancement using frequency specific signal-to-noise ratio estimates
GB2325823B (en) * 1997-04-05 2002-02-20 Univ Nottingham Signal compression
US6871180B1 (en) 1999-05-25 2005-03-22 Arbitron Inc. Decoding of information in audio signals
US20020068986A1 (en) * 1999-12-01 2002-06-06 Ali Mouline Adaptation of audio data files based on personal hearing profiles
US6654827B2 (en) 2000-12-29 2003-11-25 Hewlett-Packard Development Company, L.P. Portable computer system with an operating system-independent digital data player
US6845360B2 (en) 2002-11-22 2005-01-18 Arbitron Inc. Encoding multiple messages in audio data and detecting same
DE102005026602B3 (de) * 2005-06-09 2006-11-30 Man B & W Diesel Ag Brennkraftmaschine
JP5098271B2 (ja) * 2006-09-27 2012-12-12 カシオ計算機株式会社 音声符号化装置、音声符号化方法、及び、プログラム
FR3058013B1 (fr) * 2016-10-21 2020-11-13 Worldcast Systems Procede et dispositif d'optimisation de la puissance radiofrequence d'un emetteur de radiodiffusion fm

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3875341A (en) * 1972-02-24 1975-04-01 Int Standard Electric Corp System for transferring wideband sound signals
US3894190A (en) * 1973-02-28 1975-07-08 Int Standard Electric Corp System for transferring wide-band sound signals
JPS5857758B2 (ja) * 1979-09-28 1983-12-21 株式会社日立製作所 音声ピッチ周期抽出装置
DE3310480C2 (de) * 1983-03-23 1986-02-13 Seitzer, Dieter, Prof. Dr.-Ing., 8520 Erlangen Digitales Codierverfahren für Audiosignale
GB8330885D0 (en) * 1983-11-18 1983-12-29 British Telecomm Data transmission
DE3621513C2 (de) * 1985-02-27 1994-10-27 Telefunken Fernseh & Rundfunk Verfahren zur Übertragung eines Audiosignales
DE3506912A1 (de) * 1985-02-27 1986-08-28 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Verfahren zur uebertragung eines audiosignals
US4747143A (en) * 1985-07-12 1988-05-24 Westinghouse Electric Corp. Speech enhancement system having dynamic gain control
JP2792853B2 (ja) * 1986-06-27 1998-09-03 トムソン コンシューマー エレクトロニクス セイルズ ゲゼルシャフト ミット ベシュレンクテル ハフツング オーディオ信号の伝送方法及び装置
US4759071A (en) * 1986-08-14 1988-07-19 Richards Medical Company Automatic noise eliminator for hearing aids

Also Published As

Publication number Publication date
KR950012980B1 (ko) 1995-10-24
EP0277613B1 (de) 1994-11-30
JPS63200633A (ja) 1988-08-18
ES2065893T3 (es) 1995-03-01
EP0277613A2 (de) 1988-08-10
JP2801197B2 (ja) 1998-09-21
DE3703143A1 (de) 1988-08-11
ATE114899T1 (de) 1994-12-15
DE3852183D1 (de) 1995-01-12
EP0277613A3 (en) 1990-07-18
KR880010582A (ko) 1988-10-10
US4942607A (en) 1990-07-17

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Legal Events

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PF Patent in force
PE Patent expired

Effective date: 20080129