ES2051264T3 - Procedimiento para la transmision de una señal de audio. - Google Patents
Procedimiento para la transmision de una señal de audio.Info
- Publication number
- ES2051264T3 ES2051264T3 ES87108683T ES87108683T ES2051264T3 ES 2051264 T3 ES2051264 T3 ES 2051264T3 ES 87108683 T ES87108683 T ES 87108683T ES 87108683 T ES87108683 T ES 87108683T ES 2051264 T3 ES2051264 T3 ES 2051264T3
- Authority
- ES
- Spain
- Prior art keywords
- audio signal
- transmission
- procedure
- signal
- spectrum
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
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)
Abstract
CON ARREGLO AL INVENTO SE TRANSMUTA UNA SEÑAL DE AUDIO DE LA TRANSMISION EN UNA SEÑAL DEL ESPECTRO DE PEQUEÑO INTERVALO DE TIEMPO. PARA EL MICROTELEFONO SE CEDEN O SUPRIMEN UNA PORCION DE LAS SEÑALES DEL ESPECTO IRRELEVANTES.
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 (1)
Publication Number | Publication Date |
---|---|
ES2051264T3 true ES2051264T3 (es) | 1994-06-16 |
Family
ID=6303804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES87108683T Expired - Lifetime ES2051264T3 (es) | 1986-06-27 | 1987-06-16 | Procedimiento para la transmision de una señal de audio. |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0251028B1 (es) |
JP (1) | JP2792853B2 (es) |
KR (1) | KR910005908B1 (es) |
AT (1) | ATE103438T1 (es) |
DE (1) | DE3789404D1 (es) |
DK (1) | DK174447B1 (es) |
ES (1) | ES2051264T3 (es) |
HK (1) | HK7896A (es) |
HU (1) | HU197135B (es) |
NO (1) | NO300708B1 (es) |
Families Citing this family (22)
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)
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 |
-
1987
- 1987-05-29 JP JP62131971A patent/JP2792853B2/ja not_active Expired - Lifetime
- 1987-06-16 DE DE87108683T patent/DE3789404D1/de not_active Expired - Lifetime
- 1987-06-16 ES ES87108683T patent/ES2051264T3/es not_active Expired - Lifetime
- 1987-06-16 AT AT87108683T patent/ATE103438T1/de not_active IP Right Cessation
- 1987-06-16 EP EP87108683A patent/EP0251028B1/de not_active Expired - Lifetime
- 1987-06-26 NO NO872692A patent/NO300708B1/no not_active IP Right Cessation
- 1987-06-26 KR KR1019870006508A patent/KR910005908B1/ko not_active IP Right Cessation
- 1987-06-26 HU HU872908A patent/HU197135B/hu unknown
- 1987-06-26 DK DK198703272A patent/DK174447B1/da not_active IP Right Cessation
-
1996
- 1996-01-18 HK HK7896A patent/HK7896A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
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 |
NO300708B1 (no) | 1997-07-07 |
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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