NO300708B1 - Fremgangsmåte ved overföring og mottaker for mottaking av et lydsignal - Google Patents

Fremgangsmåte ved overföring og mottaker for mottaking av et lydsignal Download PDF

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Publication number
NO300708B1
NO300708B1 NO872692A NO872692A NO300708B1 NO 300708 B1 NO300708 B1 NO 300708B1 NO 872692 A NO872692 A NO 872692A NO 872692 A NO872692 A NO 872692A NO 300708 B1 NO300708 B1 NO 300708B1
Authority
NO
Norway
Prior art keywords
signal
threshold
frequency
transformed
analogue
Prior art date
Application number
NO872692A
Other languages
English (en)
Norwegian (no)
Other versions
NO872692D0 (no
NO872692L (no
Inventor
Detlef Krahe
Klaus Beckmann
Original Assignee
Thomson Consumer Electronics
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
Priority claimed from DE3621513A external-priority patent/DE3621513C2/de
Application filed by Thomson Consumer Electronics filed Critical Thomson Consumer Electronics
Publication of NO872692D0 publication Critical patent/NO872692D0/no
Publication of NO872692L publication Critical patent/NO872692L/no
Publication of NO300708B1 publication Critical patent/NO300708B1/no

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)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Analogue/Digital Conversion (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Toys (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Television Systems (AREA)
  • Circuit For Audible Band Transducer (AREA)
NO872692A 1986-06-27 1987-06-26 Fremgangsmåte ved overföring og mottaker for mottaking av et lydsignal NO300708B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3621513A DE3621513C2 (de) 1985-02-27 1986-06-27 Verfahren zur Übertragung eines Audiosignales

Publications (3)

Publication Number Publication Date
NO872692D0 NO872692D0 (no) 1987-06-26
NO872692L NO872692L (no) 1987-12-28
NO300708B1 true NO300708B1 (no) 1997-07-07

Family

ID=6303804

Family Applications (1)

Application Number Title Priority Date Filing Date
NO872692A NO300708B1 (no) 1986-06-27 1987-06-26 Fremgangsmåte ved overföring og mottaker for mottaking av et lydsignal

Country Status (10)

Country Link
EP (1) EP0251028B1 (ja)
JP (1) JP2792853B2 (ja)
KR (1) KR910005908B1 (ja)
AT (1) ATE103438T1 (ja)
DE (1) DE3789404D1 (ja)
DK (1) DK174447B1 (ja)
ES (1) ES2051264T3 (ja)
HK (1) HK7896A (ja)
HU (1) HU197135B (ja)
NO (1) NO300708B1 (ja)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3703143A1 (de) * 1987-02-03 1988-08-11 Thomson Brandt Gmbh Verfahren zur uebertragung eines audiosignals
JP3171840B2 (ja) * 1988-05-26 2001-06-04 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 オーデイオ信号の伝送方法及びデコーディング装置
USRE40280E1 (en) 1988-12-30 2008-04-29 Lucent Technologies Inc. Rate loop processor for perceptual encoder/decoder
US5142656A (en) * 1989-01-27 1992-08-25 Dolby Laboratories Licensing Corporation Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio
US5109417A (en) * 1989-01-27 1992-04-28 Dolby Laboratories Licensing Corporation Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio
DE3902948A1 (de) * 1989-02-01 1990-08-09 Telefunken Fernseh & Rundfunk Verfahren zur uebertragung eines signals
US5361278A (en) * 1989-10-06 1994-11-01 Telefunken Fernseh Und Rundfunk Gmbh Process for transmitting a signal
WO1991005412A1 (de) * 1989-10-06 1991-04-18 Telefunken Fernseh Und Rundfunk Gmbh Verfahren zur übertragung eines signals
CN1062963C (zh) * 1990-04-12 2001-03-07 多尔拜实验特许公司 用于产生高质量声音信号的解码器和编码器
EP0559348A3 (en) 1992-03-02 1993-11-03 AT&T Corp. Rate control loop processor for perceptual encoder/decoder
US5451954A (en) * 1993-08-04 1995-09-19 Dolby Laboratories Licensing Corporation Quantization noise suppression for encoder/decoder system
US5731767A (en) * 1994-02-04 1998-03-24 Sony Corporation Information encoding method and apparatus, information decoding method and apparatus, information recording medium, and information transmission method
JP3186412B2 (ja) * 1994-04-01 2001-07-11 ソニー株式会社 情報符号化方法、情報復号化方法、及び情報伝送方法
JPH08223049A (ja) * 1995-02-14 1996-08-30 Sony Corp 信号符号化方法及び装置、信号復号化方法及び装置、情報記録媒体並びに情報伝送方法
JP3307138B2 (ja) * 1995-02-27 2002-07-24 ソニー株式会社 信号符号化方法及び装置、並びに信号復号化方法及び装置
DE19515805C2 (de) * 1995-04-29 1997-08-07 Inst Rundfunktechnik Gmbh Verfahren zur Datenreduktion eines digitalisierten Tonsignals
US5960390A (en) * 1995-10-05 1999-09-28 Sony Corporation Coding method for using multi channel audio signals
US5825320A (en) * 1996-03-19 1998-10-20 Sony Corporation Gain control method for audio encoding device
US5848391A (en) * 1996-07-11 1998-12-08 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Method subband of coding and decoding audio signals using variable length windows
JP5435204B2 (ja) * 2006-07-03 2014-03-05 日本電気株式会社 雑音抑圧の方法、装置、及びプログラム
JP4941106B2 (ja) * 2007-05-30 2012-05-30 カシオ計算機株式会社 共鳴音付加装置および共鳴音付加プログラム
JP4877076B2 (ja) * 2007-05-30 2012-02-15 カシオ計算機株式会社 共鳴音付加装置および共鳴音付加プログラム

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986003873A1 (en) * 1984-12-20 1986-07-03 Gte Laboratories Incorporated Method and apparatus for encoding speech

Also Published As

Publication number Publication date
ES2051264T3 (es) 1994-06-16
EP0251028B1 (de) 1994-03-23
JPS637023A (ja) 1988-01-12
EP0251028A3 (en) 1988-12-07
KR910005908B1 (ko) 1991-08-06
DK327287A (da) 1987-12-28
DK174447B1 (da) 2003-03-17
HU197135B (en) 1989-02-28
EP0251028A2 (de) 1988-01-07
NO872692D0 (no) 1987-06-26
ATE103438T1 (de) 1994-04-15
NO872692L (no) 1987-12-28
DK327287D0 (da) 1987-06-26
DE3789404D1 (de) 1994-04-28
KR880001117A (ko) 1988-03-31
HUT44880A (en) 1988-04-28
HK7896A (en) 1996-01-26
JP2792853B2 (ja) 1998-09-03

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