DK166933B1 - Fremgangsmaade til overfoering af et audiosignal - Google Patents

Fremgangsmaade til overfoering af et audiosignal Download PDF

Info

Publication number
DK166933B1
DK166933B1 DK089786A DK89786A DK166933B1 DK 166933 B1 DK166933 B1 DK 166933B1 DK 089786 A DK089786 A DK 089786A DK 89786 A DK89786 A DK 89786A DK 166933 B1 DK166933 B1 DK 166933B1
Authority
DK
Denmark
Prior art keywords
signal
amplitude
value
values
time
Prior art date
Application number
DK089786A
Other languages
Danish (da)
English (en)
Other versions
DK89786D0 (da
DK89786A (da
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 DK89786D0 publication Critical patent/DK89786D0/da
Publication of DK89786A publication Critical patent/DK89786A/da
Application granted granted Critical
Publication of DK166933B1 publication Critical patent/DK166933B1/da

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

  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Telephone Function (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)
  • Transmitters (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Analogue/Digital Conversion (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Stereophonic System (AREA)
DK089786A 1985-02-27 1986-02-27 Fremgangsmaade til overfoering af et audiosignal DK166933B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853506912 DE3506912A1 (de) 1985-02-27 1985-02-27 Verfahren zur uebertragung eines audiosignals
DE3506912 1985-02-27

Publications (3)

Publication Number Publication Date
DK89786D0 DK89786D0 (da) 1986-02-27
DK89786A DK89786A (da) 1986-08-28
DK166933B1 true DK166933B1 (da) 1993-08-02

Family

ID=6263711

Family Applications (1)

Application Number Title Priority Date Filing Date
DK089786A DK166933B1 (da) 1985-02-27 1986-02-27 Fremgangsmaade til overfoering af et audiosignal

Country Status (9)

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

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
KR890702346A (ko) * 1987-09-30 1989-12-23 로베르트 아인젤 가청신호의 전송방법
IL89672A (en) * 1988-04-29 1994-04-12 Motorola Inc Spectral efficient method of transmitting information signal
ATE111271T1 (de) * 1988-05-26 1994-09-15 Telefunken Fernseh & Rundfunk Verfahren zur übertragung eines audiosignals.
DE3817864A1 (de) * 1988-05-26 1989-12-07 Telefunken Fernseh & Rundfunk Verfahren zur uebertragung eines audiosignals
USRE40280E1 (en) 1988-12-30 2008-04-29 Lucent Technologies Inc. Rate loop processor for perceptual encoder/decoder
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
ES2085680T5 (es) † 1989-01-27 2002-10-16 Dolby Lab Licensing Corp Asignacion adaptativa de bits para un codificador y un descodificador de 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
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
HU214139B (en) * 1989-05-17 1997-12-29 Thomson Consumer Electronics Process for transmitting a signal
US5384811A (en) * 1989-10-06 1995-01-24 Telefunken Method for the transmission of a signal
AU645039B2 (en) * 1989-10-06 1994-01-06 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
US5353375A (en) * 1991-07-31 1994-10-04 Matsushita Electric Industrial Co., Ltd. Digital audio signal coding method through allocation of quantization bits to sub-band samples split from the audio signal
DE4202140A1 (de) * 1992-01-27 1993-07-29 Thomson Brandt Gmbh Verfahren zur uebertragung digitaler audio-signale
CA2090052C (en) * 1992-03-02 1998-11-24 Anibal Joao De Sousa Ferreira Method and apparatus for the perceptual coding of audio signals
EP0559348A3 (en) 1992-03-02 1993-11-03 AT&T Corp. Rate control loop processor for perceptual encoder/decoder
DE4211945C1 (ko) * 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.
CN1099777C (zh) * 1993-06-30 2003-01-22 索尼公司 数字信号的编码装置、解码装置和编码方法
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
HU219667B (hu) * 1994-03-31 2001-06-28 The Arbitron Company Berendezés és eljárás kód-frekvenciaösszetevőkkel rendelkező kódnak audiojel-frekvenciaösszetevőkkel rendelkező audiojelbe való beillesztésére
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
EP0193143A2 (de) 1986-09-03
DK89786D0 (da) 1986-02-27
HK42996A (en) 1996-03-22
NO860718L (no) 1986-08-28
DE3506912C2 (ko) 1993-07-29
KR860006885A (ko) 1986-09-15
NO174868B (no) 1994-04-11
DE3506912A1 (de) 1986-08-28
KR910001428B1 (ko) 1991-03-05
EP0193143A3 (en) 1988-07-20
DE3685134D1 (de) 1992-06-11
JPS61201526A (ja) 1986-09-06
ES552325A0 (es) 1987-07-01
ATE75890T1 (de) 1992-05-15
ES8707045A1 (es) 1987-07-01
DK89786A (da) 1986-08-28
JPH0523653B2 (ko) 1993-04-05
EP0193143B1 (de) 1992-05-06
NO174868C (no) 1994-07-20

Similar Documents

Publication Publication Date Title
DK166933B1 (da) Fremgangsmaade til overfoering af et audiosignal
CN1878001B (zh) 对音频数据编码及解码的设备及方法
DK172621B1 (da) Fremgangsmåde til transmission af digitaliserede audiosignaler
CA2059141C (en) Adaptive-block-length, adaptive-transform, and adaptive-window transform coder, decoder, and encoder/decoder for high quality audio
EP1334484B1 (en) Enhancing the performance of coding systems that use high frequency reconstruction methods
KR100242864B1 (ko) 디지탈 신호 부호화 장치 및 방법
KR970005131B1 (ko) 인간의 청각특성에 적응적인 디지탈 오디오 부호화장치
CN1153365C (zh) 采用不同编码原理的传送系统
US5214742A (en) Method for transmitting a signal
US20030215013A1 (en) Audio encoder with adaptive short window grouping
WO2004027368A1 (en) Audio decoding apparatus and method
JP2003506763A (ja) 高品質オーディオ用縮尺自在符号化方法
EP0371032A1 (en) Protection of energy information in sub-band coding
US7983346B2 (en) Method of and apparatus for encoding/decoding digital signal using linear quantization by sections
JPH03167927A (ja) 心理的聴覚基準で適応形量子化する変換ディジタルオーディオ放送信号用の信号圧縮装置
JP2021525390A (ja) ステレオ信号符号化方法およびステレオ信号符号化装置
EP1073209B1 (en) Subband encoding apparatus
JPH08204576A (ja) 信号符号化装置及び信号復号化装置
Stroll et al. Masking-pattern adapted subband coding: Use of the dynamic bit-rate margin
CN101647201A (zh) 以低比特率对包含噪声的音频信号进行编码/解码的方法和设备
Malvar Enhancing the performance of subband audio coders for speech signals
JPH02504457A (ja) オーデイオ信号の伝送方法及びデコーディング装置
Goodman et al. Objective and subjective performance of tandem connections of waveform coders with an LPC vocoder
Prandoni et al. Perceptually hidden data transmission over audio signals
UA116572C2 (uk) Проектування таблиці частотних діапазонів для алгоритмів високочастотної реконструкції

Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PUP Patent expired