NO174868C - Fremgangsmåte ved overföring av et audiosignal - Google Patents

Fremgangsmåte ved overföring av et audiosignal

Info

Publication number
NO174868C
NO174868C NO860718A NO860718A NO174868C NO 174868 C NO174868 C NO 174868C NO 860718 A NO860718 A NO 860718A NO 860718 A NO860718 A NO 860718A NO 174868 C NO174868 C NO 174868C
Authority
NO
Norway
Prior art keywords
transmitting
audio signal
signal
irrelevant
suppressed
Prior art date
Application number
NO860718A
Other languages
English (en)
Norwegian (no)
Other versions
NO174868B (no
NO860718L (no
Inventor
Detlef Krahe
Original Assignee
Telefunken Fernseh & Rundfunk
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 Telefunken Fernseh & Rundfunk filed Critical Telefunken Fernseh & Rundfunk
Publication of NO860718L publication Critical patent/NO860718L/no
Publication of NO174868B publication Critical patent/NO174868B/no
Publication of NO174868C publication Critical patent/NO174868C/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • 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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Telephone Function (AREA)
  • Analogue/Digital Conversion (AREA)
  • Transmitters (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Stereophonic System (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
NO860718A 1985-02-27 1986-02-26 Fremgangsmåte ved overföring av et audiosignal NO174868C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853506912 DE3506912A1 (de) 1985-02-27 1985-02-27 Verfahren zur uebertragung eines audiosignals

Publications (3)

Publication Number Publication Date
NO860718L NO860718L (no) 1986-08-28
NO174868B NO174868B (no) 1994-04-11
NO174868C true NO174868C (no) 1994-07-20

Family

ID=6263711

Family Applications (1)

Application Number Title Priority Date Filing Date
NO860718A NO174868C (no) 1985-02-27 1986-02-26 Fremgangsmåte ved overföring av et audiosignal

Country Status (9)

Country Link
EP (1) EP0193143B1 (ja)
JP (1) JPS61201526A (ja)
KR (1) KR910001428B1 (ja)
AT (1) ATE75890T1 (ja)
DE (2) DE3506912A1 (ja)
DK (1) DK166933B1 (ja)
ES (1) ES8707045A1 (ja)
HK (1) HK42996A (ja)
NO (1) NO174868C (ja)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
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DE3610398A1 (de) * 1986-03-27 1987-10-01 Thomson Brandt Gmbh Digitales signaluebertragungssystem
DE3639753A1 (de) * 1986-11-21 1988-06-01 Inst Rundfunktechnik Gmbh Verfahren zum uebertragen digitalisierter tonsignale
DE3642982A1 (de) * 1986-12-17 1988-06-30 Thomson Brandt Gmbh System zur uebertragung
DE3703143A1 (de) * 1987-02-03 1988-08-11 Thomson Brandt Gmbh Verfahren zur uebertragung eines audiosignals
DE3721478A1 (de) * 1987-06-30 1989-01-12 Thomson Brandt Gmbh Verfahren zur uebertragung und/oder aufzeichnung und wiedergabe von digitalisierten audiosignalen
JP2839521B2 (ja) * 1987-09-30 1998-12-16 ドイチエ トムソン‐ブラント ゲゼルシヤフト ミツト ベシユレンクテル ハフツング オーデイオ信号の伝送方法
IL89672A (en) * 1988-04-29 1994-04-12 Motorola Inc Spectral efficient method of transmitting information signal
DE3817864A1 (de) * 1988-05-26 1989-12-07 Telefunken Fernseh & Rundfunk Verfahren zur uebertragung eines audiosignals
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
USRE40280E1 (en) 1988-12-30 2008-04-29 Lucent Technologies Inc. Rate loop processor for perceptual encoder/decoder
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
US5222189A (en) * 1989-01-27 1993-06-22 Dolby Laboratories Licensing Corporation Low time-delay transform coder, decoder, and encoder/decoder for high-quality audio
DE69026278T3 (de) † 1989-01-27 2002-08-08 Dolby Laboratories Licensing Corp., San Francisco Adaptiv Bitzuordnung für Audio-Koder und Dekoder
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
DE3902948A1 (de) * 1989-02-01 1990-08-09 Telefunken Fernseh & Rundfunk Verfahren zur uebertragung eines signals
WO1990014719A1 (de) * 1989-05-17 1990-11-29 Telefunken Fernseh Und Rundfunk Gmbh Verfahren zur übertragung eines signals
KR0160526B1 (ko) * 1989-10-06 1998-12-01 헤르메스 보르드만 신호전송방법
AU7041791A (en) * 1989-10-06 1991-04-28 Telefunken Fernseh Und Rundfunk Gmbh Process for transmitting a signal
JP2913731B2 (ja) * 1990-03-07 1999-06-28 ソニー株式会社 ディジタルデータの高能率符号化方法
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
JP3185214B2 (ja) 1990-06-12 2001-07-09 日本電気株式会社 改良ｄｃｔの順変換計算装置および逆変換計算装置
DE4020656A1 (de) * 1990-06-29 1992-01-02 Thomson Brandt Gmbh Verfahren zur uebertragung eines signals
JP3033156B2 (ja) * 1990-08-24 2000-04-17 ソニー株式会社 ディジタル信号符号化装置
US5559900A (en) * 1991-03-12 1996-09-24 Lucent Technologies Inc. Compression of signals for perceptual quality by selecting frequency bands having relatively high energy
DE69217590T2 (de) * 1991-07-31 1997-06-12 Matsushita Electric Ind Co Ltd Verfahren und Einrichtung zur Kodierung eines digitalen Audiosignals
DE4202140A1 (de) * 1992-01-27 1993-07-29 Thomson Brandt Gmbh Verfahren zur uebertragung digitaler audio-signale
EP0559348A3 (en) 1992-03-02 1993-11-03 AT&T Corp. Rate control loop processor for perceptual encoder/decoder
CA2090052C (en) * 1992-03-02 1998-11-24 Anibal Joao De Sousa Ferreira Method and apparatus for the perceptual coding of audio signals
DE4211945C1 (ja) * 1992-04-09 1993-05-19 Institut Fuer Rundfunktechnik Gmbh, 8000 Muenchen, De
JPH0775339B2 (ja) * 1992-11-16 1995-08-09 株式会社小電力高速通信研究所 音声符号化方法及び装置
EP0649137A4 (en) * 1993-04-14 1998-10-21 Sony Corp SIGNAL TRANSFORMATION METHOD AND APPARATUS AND RECORDING MEDIUM.
PL173718B1 (pl) * 1993-06-30 1998-04-30 Sony Corp Sposób i urządzenie do kodowania sygnałów cyfrowych
US5451954A (en) * 1993-08-04 1995-09-19 Dolby Laboratories Licensing Corporation Quantization noise suppression for encoder/decoder system
US5581653A (en) * 1993-08-31 1996-12-03 Dolby Laboratories Licensing Corporation Low bit-rate high-resolution spectral envelope coding for audio encoder and decoder
TW327223B (en) * 1993-09-28 1998-02-21 Sony Co Ltd Methods and apparatus for encoding an input signal broken into frequency components, methods and apparatus for decoding such encoded signal
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
NZ331166A (en) * 1994-03-31 2000-07-28 Ceridian Corp Hiding audio frequency codes in audio frequency program signals
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
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
TW384434B (en) 1997-03-31 2000-03-11 Sony Corp Encoding method, device therefor, decoding method, device therefor and recording medium
US6718217B1 (en) * 1997-12-02 2004-04-06 Jsr Corporation Digital audio tone evaluating system
US6591100B1 (en) * 1998-11-19 2003-07-08 Ericsson Inc. Cellular communication device with scanning receiver and continuous mobile communication system employing same
DE102004007191B3 (de) 2004-02-13 2005-09-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierung
DE102004007184B3 (de) 2004-02-13 2005-09-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtung zum Quantisieren eines Informationssignals
KR102000188B1 (ko) * 2017-08-04 2019-07-15 국방과학연구소 다채널 통신신호 탐지를 통한 통신정보 생성 장치

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4330689A (en) * 1980-01-28 1982-05-18 The United States Of America As Represented By The Secretary Of The Navy Multirate digital voice communication processor
CH649181A5 (de) * 1980-02-01 1985-04-30 Schweiz Eidgenossenschaft Verfahren und schaltungsanordnung zur gesicherten uebertragung von sprachsignalen.
DE3102822C2 (de) * 1981-01-28 1984-02-16 Siemens AG, 1000 Berlin und 8000 München Verfahren zur frequenzbandkomprimierten Sprachübertragung
SE430739B (sv) * 1982-04-27 1983-12-05 Tore Torstensson Fjellbrant Anordning for omvandling, overforing och ateromvandling av en samplad signal
DE3310480C2 (de) * 1983-03-23 1986-02-13 Seitzer, Dieter, Prof. Dr.-Ing., 8520 Erlangen Digitales Codierverfahren für Audiosignale

Also Published As

Publication number Publication date
DK89786D0 (da) 1986-02-27
NO174868B (no) 1994-04-11
JPS61201526A (ja) 1986-09-06
DE3685134D1 (de) 1992-06-11
DK89786A (da) 1986-08-28
EP0193143A2 (de) 1986-09-03
ATE75890T1 (de) 1992-05-15
EP0193143B1 (de) 1992-05-06
EP0193143A3 (en) 1988-07-20
DE3506912A1 (de) 1986-08-28
KR860006885A (ko) 1986-09-15
JPH0523653B2 (ja) 1993-04-05
HK42996A (en) 1996-03-22
DK166933B1 (da) 1993-08-02
ES552325A0 (es) 1987-07-01
KR910001428B1 (ko) 1991-03-05
NO860718L (no) 1986-08-28
DE3506912C2 (ja) 1993-07-29
ES8707045A1 (es) 1987-07-01

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