JPS59223032A - ディジタル信号伝送装置 - Google Patents
ディジタル信号伝送装置Info
- Publication number
- JPS59223032A JPS59223032A JP58097689A JP9768983A JPS59223032A JP S59223032 A JPS59223032 A JP S59223032A JP 58097689 A JP58097689 A JP 58097689A JP 9768983 A JP9768983 A JP 9768983A JP S59223032 A JPS59223032 A JP S59223032A
- Authority
- JP
- Japan
- Prior art keywords
- data
- spectrum
- mode
- block
- noise
- 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.)
- Granted
Links
- 238000001228 spectrum Methods 0.000 claims abstract description 45
- 238000005070 sampling Methods 0.000 claims description 34
- 238000001514 detection method Methods 0.000 claims description 10
- 230000008054 signal transmission Effects 0.000 claims description 10
- 230000003044 adaptive effect Effects 0.000 abstract description 57
- 238000012545 processing Methods 0.000 abstract description 52
- 238000007493 shaping process Methods 0.000 abstract description 17
- 230000000873 masking effect Effects 0.000 abstract description 12
- 230000009467 reduction Effects 0.000 abstract description 4
- 230000001934 delay Effects 0.000 abstract description 3
- 239000012141 concentrate Substances 0.000 abstract description 2
- 230000001902 propagating effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 14
- 238000013139 quantization Methods 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 238000004364 calculation method Methods 0.000 description 5
- 230000000295 complement effect Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
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
- H03M7/3053—Block-companding PCM systems
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58097689A JPS59223032A (ja) | 1983-06-01 | 1983-06-01 | ディジタル信号伝送装置 |
| EP84902081A EP0145788B1 (en) | 1983-06-01 | 1984-06-01 | Method and apparatus for transmitting digital signal |
| DE8484902081T DE3484010D1 (de) | 1983-06-01 | 1984-06-01 | Verfahren und vorrichtung zur uebertragung digitaler signale. |
| AT84902081T ATE60473T1 (de) | 1983-06-01 | 1984-06-01 | Verfahren und vorrichtung zur uebertragung digitaler signale. |
| AU29698/84A AU576320B2 (en) | 1983-06-01 | 1984-06-01 | Method and apparatus for transmitting digital signal |
| PCT/JP1984/000283 WO1984004859A1 (en) | 1983-06-01 | 1984-06-01 | Method and apparatus for transmitting digital signal |
| AU17432/88A AU600137B2 (en) | 1983-06-01 | 1988-06-06 | Apparatus for digital signal |
| AU17431/88A AU611443B2 (en) | 1983-06-01 | 1988-06-06 | Apparatus for digital signal |
| HK73494A HK73494A (en) | 1983-06-01 | 1994-07-28 | Method and apparatus for transmitting digital signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58097689A JPS59223032A (ja) | 1983-06-01 | 1983-06-01 | ディジタル信号伝送装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59223032A true JPS59223032A (ja) | 1984-12-14 |
| JPH0473333B2 JPH0473333B2 (en, 2012) | 1992-11-20 |
Family
ID=14198922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58097689A Granted JPS59223032A (ja) | 1983-06-01 | 1983-06-01 | ディジタル信号伝送装置 |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0145788B1 (en, 2012) |
| JP (1) | JPS59223032A (en, 2012) |
| AU (3) | AU576320B2 (en, 2012) |
| DE (1) | DE3484010D1 (en, 2012) |
| HK (1) | HK73494A (en, 2012) |
| WO (1) | WO1984004859A1 (en, 2012) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1985005517A1 (en) * | 1984-05-11 | 1985-12-05 | Sony Corporation | Apparatus for transmitting digital signals |
| JPH0295017A (ja) * | 1988-09-30 | 1990-04-05 | Matsushita Electric Ind Co Ltd | 非線形量子化装置 |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59223032A (ja) * | 1983-06-01 | 1984-12-14 | Sony Corp | ディジタル信号伝送装置 |
| JPS60251733A (ja) * | 1984-05-28 | 1985-12-12 | Sony Corp | デイジタル信号伝送装置 |
| CA1292071C (en) * | 1985-06-28 | 1991-11-12 | Tomohiko Taniguchi | Coding transmission equipment for carrying out coding with adaptive quantization |
| KR100268623B1 (ko) * | 1991-06-28 | 2000-10-16 | 이데이 노부유끼 | 압축 데이타 기록 재생 장치 및 신호 처리 방법 |
| DE4225434A1 (de) * | 1991-08-02 | 1993-02-04 | Sony Corp | Vorrichtung zur aufzeichnung und wiedergabe von komprimierten digitalen daten auf bzw. von einem aufzeichnungstraeger und dabei anwendbares verfahren zur bitentfernung |
| DE69232251T2 (de) * | 1991-08-02 | 2002-07-18 | Sony Corp., Tokio/Tokyo | Digitaler Kodierer mit dynamischer Quantisierungsbitverteilung |
| JP3134455B2 (ja) * | 1992-01-29 | 2001-02-13 | ソニー株式会社 | 高能率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 |
| JP3508146B2 (ja) * | 1992-09-11 | 2004-03-22 | ソニー株式会社 | ディジタル信号符号化復号化装置、ディジタル信号符号化装置及びディジタル信号復号化装置 |
| 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 |
| JP3185413B2 (ja) * | 1992-11-25 | 2001-07-09 | ソニー株式会社 | 直交変換演算並びに逆直交変換演算方法及びその装置、ディジタル信号符号化及び／又は復号化装置 |
| 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 |
| 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 |
| JP3336617B2 (ja) * | 1993-05-31 | 2002-10-21 | ソニー株式会社 | 信号符号化又は復号化装置，及び信号符号化又は復号化方法，並びに記録媒体 |
| RU2131169C1 (ru) * | 1993-06-30 | 1999-05-27 | Сони Корпорейшн | Устройство кодирования сигнала, устройство декодирования сигнала, носитель записи и способ кодирования и декодирования |
| TW272341B (en, 2012) * | 1993-07-16 | 1996-03-11 | Sony Co Ltd | |
| 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 |
| EP0692881B1 (en) * | 1993-11-09 | 2005-06-15 | Sony Corporation | Quantization apparatus, quantization method, high efficiency encoder, high efficiency encoding method, decoder, high efficiency encoder and recording media |
| JP3371590B2 (ja) * | 1994-12-28 | 2003-01-27 | ソニー株式会社 | 高能率符号化方法及び高能率復号化方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT699938A (en, 2012) * | 1962-06-28 | |||
| JPS5148850B1 (en, 2012) * | 1971-06-03 | 1976-12-23 | ||
| US4386237A (en) * | 1980-12-22 | 1983-05-31 | Intelsat | NIC Processor using variable precision block quantization |
| AU564770B2 (en) * | 1981-07-17 | 1987-08-27 | Nippon Electric Co. Ltd. | Forward and inverse quantization by varying a reference step size |
| JPS5866440A (ja) * | 1981-10-16 | 1983-04-20 | Fujitsu Ltd | 波形符号化方式 |
| JPS59223032A (ja) * | 1983-06-01 | 1984-12-14 | Sony Corp | ディジタル信号伝送装置 |
-
1983
- 1983-06-01 JP JP58097689A patent/JPS59223032A/ja active Granted
-
1984
- 1984-06-01 EP EP84902081A patent/EP0145788B1/en not_active Expired - Lifetime
- 1984-06-01 WO PCT/JP1984/000283 patent/WO1984004859A1/ja active IP Right Grant
- 1984-06-01 AU AU29698/84A patent/AU576320B2/en not_active Expired
- 1984-06-01 DE DE8484902081T patent/DE3484010D1/de not_active Expired - Lifetime
-
1988
- 1988-06-06 AU AU17431/88A patent/AU611443B2/en not_active Expired
- 1988-06-06 AU AU17432/88A patent/AU600137B2/en not_active Expired
-
1994
- 1994-07-28 HK HK73494A patent/HK73494A/en not_active IP Right Cessation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1985005517A1 (en) * | 1984-05-11 | 1985-12-05 | Sony Corporation | Apparatus for transmitting digital signals |
| US4685115A (en) * | 1984-05-11 | 1987-08-04 | Sony Corporation | Apparatus for transmitting digital signals |
| JPH0295017A (ja) * | 1988-09-30 | 1990-04-05 | Matsushita Electric Ind Co Ltd | 非線形量子化装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3484010D1 (de) | 1991-02-28 |
| AU1743288A (en) | 1988-09-01 |
| AU576320B2 (en) | 1988-08-25 |
| WO1984004859A1 (en) | 1984-12-06 |
| EP0145788B1 (en) | 1991-01-23 |
| AU2969884A (en) | 1984-12-18 |
| JPH0473333B2 (en, 2012) | 1992-11-20 |
| AU611443B2 (en) | 1991-06-13 |
| EP0145788A4 (en) | 1988-02-18 |
| EP0145788A1 (en) | 1985-06-26 |
| AU1743188A (en) | 1988-09-01 |
| AU600137B2 (en) | 1990-08-02 |
| HK73494A (en) | 1994-08-05 |
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