JPS6145422B2 - - Google Patents
Info
- Publication number
- JPS6145422B2 JPS6145422B2 JP6914678A JP6914678A JPS6145422B2 JP S6145422 B2 JPS6145422 B2 JP S6145422B2 JP 6914678 A JP6914678 A JP 6914678A JP 6914678 A JP6914678 A JP 6914678A JP S6145422 B2 JPS6145422 B2 JP S6145422B2
- Authority
- JP
- Japan
- Prior art keywords
- encoding
- block
- decoding
- code
- signal
- 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
Links
- 238000010606 normalization Methods 0.000 claims description 17
- 238000012937 correction Methods 0.000 claims description 16
- 238000013139 quantization Methods 0.000 claims description 16
- 230000005236 sound signal Effects 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 230000000875 corresponding effect Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6914678A JPS54159807A (en) | 1978-06-07 | 1978-06-07 | Block companding coding and decoding unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6914678A JPS54159807A (en) | 1978-06-07 | 1978-06-07 | Block companding coding and decoding unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS54159807A JPS54159807A (en) | 1979-12-18 |
| JPS6145422B2 true JPS6145422B2 (en, 2012) | 1986-10-08 |
Family
ID=13394218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6914678A Granted JPS54159807A (en) | 1978-06-07 | 1978-06-07 | Block companding coding and decoding unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS54159807A (en, 2012) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0175732B1 (ko) * | 1995-08-09 | 1999-04-01 | 조백제 | 다채널 오디오 디코더의 역정규화장치 및 그의 역정규화방법 |
-
1978
- 1978-06-07 JP JP6914678A patent/JPS54159807A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS54159807A (en) | 1979-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR950014622B1 (ko) | 입력 신호처리 방법 | |
| US4449190A (en) | Silence editing speech processor | |
| US4475227A (en) | Adaptive prediction | |
| US5128963A (en) | 3-mode PCM/DPCM/APCM maximizing dynamic range | |
| US4255763A (en) | Technique for reducing transmission error propagation in an adaptively predicted DPCM video encoder | |
| EP0145788B1 (en) | Method and apparatus for transmitting digital signal | |
| KR930003281B1 (ko) | 디지탈 신호 전송장치 | |
| US4191858A (en) | Block digital processing system for nonuniformly encoded digital words | |
| US4933675A (en) | Audio digital/analog encoding and decoding | |
| US4571737A (en) | Adaptive differential pulse code modulation decoding circuit | |
| JPH0411054B2 (en, 2012) | ||
| US4498173A (en) | Technique for digital split-channel transmission using interpolative coders and decoders | |
| JPS6145422B2 (en, 2012) | ||
| US4021799A (en) | Non-linear coding system | |
| US4319360A (en) | Predictor stage for a digit rate reduction system | |
| JPH061903B2 (ja) | 信号伝送装置 | |
| JPS5866440A (ja) | 波形符号化方式 | |
| JP2562659B2 (ja) | Ａｄｐｃｍ信号の復号装置 | |
| JPH061904B2 (ja) | 信号伝送装置 | |
| JPH0642631B2 (ja) | 信号伝送装置 | |
| JPS6235680B2 (en, 2012) | ||
| JPS6033751A (ja) | 符・復号器 | |
| JPS5939135A (ja) | 信号伝送方式 | |
| JPS6152699A (ja) | デイジタル音声加算器 | |
| JPH0252280B2 (en, 2012) |