JPH0472421B2 - - Google Patents
Info
- Publication number
- JPH0472421B2 JPH0472421B2 JP56058532A JP5853281A JPH0472421B2 JP H0472421 B2 JPH0472421 B2 JP H0472421B2 JP 56058532 A JP56058532 A JP 56058532A JP 5853281 A JP5853281 A JP 5853281A JP H0472421 B2 JPH0472421 B2 JP H0472421B2
- Authority
- JP
- Japan
- Prior art keywords
- compression
- signal
- range
- offset
- output
- 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 claims description 33
- 238000007906 compression Methods 0.000 claims description 33
- 230000002457 bidirectional effect Effects 0.000 claims description 8
- 230000006837 decompression Effects 0.000 claims description 8
- 238000013139 quantization Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H03G7/007—Volume compression or expansion in amplifiers of digital or coded signals
Landscapes
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5853281A JPS57173239A (en) | 1981-04-20 | 1981-04-20 | Polygonal line compressing and expanding circuit |
US06/368,868 US4682152A (en) | 1981-04-20 | 1982-04-15 | Digital data companding |
DE8282301972T DE3279093D1 (de) | 1981-04-20 | 1982-04-16 | Digital data companding |
EP82301972A EP0063485B1 (en) | 1981-04-20 | 1982-04-16 | Digital data companding |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5853281A JPS57173239A (en) | 1981-04-20 | 1981-04-20 | Polygonal line compressing and expanding circuit |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19791090A Division JPH0372723A (ja) | 1990-07-27 | 1990-07-27 | 折線圧縮伸張回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57173239A JPS57173239A (en) | 1982-10-25 |
JPH0472421B2 true JPH0472421B2 (no) | 1992-11-18 |
Family
ID=13087037
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5853281A Granted JPS57173239A (en) | 1981-04-20 | 1981-04-20 | Polygonal line compressing and expanding circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57173239A (no) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6020066U (ja) * | 1983-07-19 | 1985-02-12 | 三洋電機株式会社 | デ−タ圧縮伸長回路 |
JPH0734291B2 (ja) * | 1986-07-28 | 1995-04-12 | 株式会社日立製作所 | デイジタル信号記録再生システム |
JP2542864B2 (ja) * | 1987-10-19 | 1996-10-09 | 三洋電機株式会社 | デジタル補正回路 |
JPH0668882B2 (ja) * | 1988-05-19 | 1994-08-31 | 三洋電機株式会社 | デジタル信号の再生装置 |
JPH03155220A (ja) * | 1989-11-14 | 1991-07-03 | Matsushita Electric Ind Co Ltd | データ圧縮器とデータ伸張器 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5267546A (en) * | 1975-12-02 | 1977-06-04 | Matsushita Electric Ind Co Ltd | Compression-expansion circuit system |
JPS5353951A (en) * | 1976-10-27 | 1978-05-16 | Nippon Telegr & Teleph Corp <Ntt> | Polygonal line apporoximation coder |
JPS5394813A (en) * | 1977-01-31 | 1978-08-19 | Toshiba Corp | Signal process system |
-
1981
- 1981-04-20 JP JP5853281A patent/JPS57173239A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5267546A (en) * | 1975-12-02 | 1977-06-04 | Matsushita Electric Ind Co Ltd | Compression-expansion circuit system |
JPS5353951A (en) * | 1976-10-27 | 1978-05-16 | Nippon Telegr & Teleph Corp <Ntt> | Polygonal line apporoximation coder |
JPS5394813A (en) * | 1977-01-31 | 1978-08-19 | Toshiba Corp | Signal process system |
Also Published As
Publication number | Publication date |
---|---|
JPS57173239A (en) | 1982-10-25 |
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