ES2138992T3 - Aparato y metodo para la compresion de datos. - Google Patents
Aparato y metodo para la compresion de datos.Info
- Publication number
- ES2138992T3 ES2138992T3 ES93300609T ES93300609T ES2138992T3 ES 2138992 T3 ES2138992 T3 ES 2138992T3 ES 93300609 T ES93300609 T ES 93300609T ES 93300609 T ES93300609 T ES 93300609T ES 2138992 T3 ES2138992 T3 ES 2138992T3
- Authority
- ES
- Spain
- Prior art keywords
- band
- signal
- location
- quantization
- bands
- 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
- 230000006835 compression Effects 0.000 title abstract 2
- 238000007906 compression Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 238000013139 quantization Methods 0.000 abstract 4
- 230000001419 dependent effect Effects 0.000 abstract 3
- 230000003595 spectral effect Effects 0.000 abstract 2
- 238000009795 derivation Methods 0.000 abstract 1
- 238000001228 spectrum Methods 0.000 abstract 1
Classifications
-
- 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
-
- 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
- H03M7/50—Conversion to or from non-linear codes, e.g. companding
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00007—Time or data compression or expansion
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
-
- 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
- H03M7/60—General implementation details not specific to a particular type of compression
- H03M7/6011—Encoder aspects
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Abstract
SE DESCRIBE UN APARATO PARA LA COMPRESION DE SEÑAL DE ENTRADA DIGITAL, Y SUMINISTRAR UNA SEÑAL DE SALIDA DIGITAL COMPRIMIDA, QUE INCLUYE MEDIOS (11-15) PARA LA DERIVACION DE COEFICIENTES DE ESPECTRO PLURAL A PARTIR DE ENTRADA DIGITAL, Y PARA EL AGRUPAMIENTO DE LOS COEFICIENTES ESPECTRALES EN BANDAS, Y MEDIOS (16,18) DE LOCALIZACION DE BIT ADACTIVO PARA LA LOCALIZACION ADACTIVA DE UN NUMERO DE BITS DE CUANTIZACION DEPENDIENTE DE LA SEÑAL A LO LARGO DE LAS BANDAS PARA LA LOCALIZACION DE CADA BANDA SEGUN UN NUMERO DE BITS DE CUANTIZACION DEPENDIENTE DE LA SEÑAL PARA PROCESO DE CUANTIZACION DE CADA COEFICIENTE ESPECTRAL EN LA BANDA, EL NUMERO DE BITS DE CUANTIZACION DEPENDIENTE DE LA SEÑAL LOCALIZADOS A CADA BANDA QUE SON DETERMINADOS DE ACUERDO CON LA MAGNITUD DE BANDA, PESADOS DE FORMA DEPENDIENTE DE LA FRECUENCIA BANDA.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP04036952A JP3134455B2 (ja) | 1992-01-29 | 1992-01-29 | 高能率符号化装置及び方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2138992T3 true ES2138992T3 (es) | 2000-02-01 |
Family
ID=12484087
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES93300609T Expired - Lifetime ES2138992T3 (es) | 1992-01-29 | 1993-01-28 | Aparato y metodo para la compresion de datos. |
Country Status (12)
Country | Link |
---|---|
US (1) | US5301205A (es) |
EP (1) | EP0554081B1 (es) |
JP (1) | JP3134455B2 (es) |
KR (1) | KR100288460B1 (es) |
CN (1) | CN1046608C (es) |
AT (1) | ATE185016T1 (es) |
AU (1) | AU656452B2 (es) |
CA (1) | CA2088202C (es) |
DE (1) | DE69326484T2 (es) |
ES (1) | ES2138992T3 (es) |
MY (1) | MY138517A (es) |
TW (1) | TW200586B (es) |
Families Citing this family (88)
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JP3278900B2 (ja) * | 1992-05-07 | 2002-04-30 | ソニー株式会社 | データ符号化装置及び方法 |
JP3153933B2 (ja) * | 1992-06-16 | 2001-04-09 | ソニー株式会社 | データ符号化装置及び方法並びにデータ復号化装置及び方法 |
JP3189401B2 (ja) * | 1992-07-29 | 2001-07-16 | ソニー株式会社 | 音声データ符号化方法及び音声データ符号化装置 |
JP3127600B2 (ja) * | 1992-09-11 | 2001-01-29 | ソニー株式会社 | ディジタル信号復号化装置及び方法 |
JP3343962B2 (ja) * | 1992-11-11 | 2002-11-11 | ソニー株式会社 | 高能率符号化方法及び装置 |
US5495529A (en) * | 1992-11-26 | 1996-02-27 | Nec Corporation | Digital sound level control apparatus |
JPH06180948A (ja) * | 1992-12-11 | 1994-06-28 | Sony Corp | ディジタル信号処理装置又は方法、及び記録媒体 |
JP3186290B2 (ja) * | 1993-01-20 | 2001-07-11 | ソニー株式会社 | 符号化方法、符号化装置、復号化装置及び記録媒体 |
JP3123286B2 (ja) * | 1993-02-18 | 2001-01-09 | ソニー株式会社 | ディジタル信号処理装置又は方法、及び記録媒体 |
JP3186292B2 (ja) * | 1993-02-02 | 2001-07-11 | ソニー株式会社 | 高能率符号化方法及び装置 |
JP3123290B2 (ja) * | 1993-03-09 | 2001-01-09 | ソニー株式会社 | 圧縮データ記録装置及び方法、圧縮データ再生方法、記録媒体 |
JP3173218B2 (ja) * | 1993-05-10 | 2001-06-04 | ソニー株式会社 | 圧縮データ記録方法及び装置、圧縮データ再生方法、並びに記録媒体 |
ATE211326T1 (de) * | 1993-05-31 | 2002-01-15 | Sony Corp | Verfahren und vorrichtung zum kodieren oder dekodieren von signalen und aufzeichnungsmedium |
US5765126A (en) * | 1993-06-30 | 1998-06-09 | Sony Corporation | Method and apparatus for variable length encoding of separated tone and noise characteristic components of an acoustic signal |
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US5566154A (en) * | 1993-10-08 | 1996-10-15 | Sony Corporation | Digital signal processing apparatus, digital signal processing method and data recording medium |
US5737720A (en) * | 1993-10-26 | 1998-04-07 | Sony Corporation | Low bit rate multichannel audio coding methods and apparatus using non-linear adaptive bit allocation |
KR100269213B1 (ko) * | 1993-10-30 | 2000-10-16 | 윤종용 | 오디오신호의부호화방법 |
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JP3175446B2 (ja) * | 1993-11-29 | 2001-06-11 | ソニー株式会社 | 情報圧縮方法及び装置、圧縮情報伸張方法及び装置、圧縮情報記録/伝送装置、圧縮情報再生装置、圧縮情報受信装置、並びに記録媒体 |
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JP3250376B2 (ja) * | 1994-06-13 | 2002-01-28 | ソニー株式会社 | 情報符号化方法及び装置並びに情報復号化方法及び装置 |
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AU665200B2 (en) * | 1991-08-02 | 1995-12-21 | Sony Corporation | Digital encoder with dynamic quantization bit allocation |
US5231484A (en) * | 1991-11-08 | 1993-07-27 | International Business Machines Corporation | Motion video compression system with adaptive bit allocation and quantization |
-
1992
- 1992-01-29 JP JP04036952A patent/JP3134455B2/ja not_active Expired - Lifetime
- 1992-10-05 TW TW081107895A patent/TW200586B/zh not_active IP Right Cessation
-
1993
- 1993-01-21 AU AU31953/93A patent/AU656452B2/en not_active Expired
- 1993-01-27 MY MYPI93000118A patent/MY138517A/en unknown
- 1993-01-27 CA CA002088202A patent/CA2088202C/en not_active Expired - Lifetime
- 1993-01-28 EP EP93300609A patent/EP0554081B1/en not_active Expired - Lifetime
- 1993-01-28 AT AT93300609T patent/ATE185016T1/de active
- 1993-01-28 DE DE69326484T patent/DE69326484T2/de not_active Expired - Lifetime
- 1993-01-28 ES ES93300609T patent/ES2138992T3/es not_active Expired - Lifetime
- 1993-01-29 KR KR1019930001313A patent/KR100288460B1/ko not_active IP Right Cessation
- 1993-01-29 US US08/011,376 patent/US5301205A/en not_active Expired - Lifetime
- 1993-01-29 CN CN93101716A patent/CN1046608C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH05206866A (ja) | 1993-08-13 |
AU656452B2 (en) | 1995-02-02 |
MY138517A (en) | 2009-06-30 |
TW200586B (en) | 1993-02-21 |
CN1046608C (zh) | 1999-11-17 |
CA2088202A1 (en) | 1993-07-30 |
DE69326484T2 (de) | 2000-04-27 |
CN1078832A (zh) | 1993-11-24 |
DE69326484D1 (de) | 1999-10-28 |
US5301205A (en) | 1994-04-05 |
ATE185016T1 (de) | 1999-10-15 |
EP0554081B1 (en) | 1999-09-22 |
KR930017315A (ko) | 1993-08-30 |
CA2088202C (en) | 2004-12-28 |
AU3195393A (en) | 1993-08-05 |
JP3134455B2 (ja) | 2001-02-13 |
KR100288460B1 (ko) | 2001-05-02 |
EP0554081A1 (en) | 1993-08-04 |
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