JPS60257632A - 符・復号器 - Google Patents
符・復号器Info
- Publication number
- JPS60257632A JPS60257632A JP11427584A JP11427584A JPS60257632A JP S60257632 A JPS60257632 A JP S60257632A JP 11427584 A JP11427584 A JP 11427584A JP 11427584 A JP11427584 A JP 11427584A JP S60257632 A JPS60257632 A JP S60257632A
- Authority
- JP
- Japan
- Prior art keywords
- digital
- output
- signal
- band
- terminal
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
- H04B14/046—Systems or methods for reducing noise or bandwidth
- H04B14/048—Non linear compression or expansion
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Analogue/Digital Conversion (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11427584A JPS60257632A (ja) | 1984-06-04 | 1984-06-04 | 符・復号器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11427584A JPS60257632A (ja) | 1984-06-04 | 1984-06-04 | 符・復号器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60257632A true JPS60257632A (ja) | 1985-12-19 |
| JPH0564493B2 JPH0564493B2 (OSRAM) | 1993-09-14 |
Family
ID=14633743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11427584A Granted JPS60257632A (ja) | 1984-06-04 | 1984-06-04 | 符・復号器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60257632A (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6441594A (en) * | 1987-08-07 | 1989-02-13 | Nec Corp | Digital interface device |
-
1984
- 1984-06-04 JP JP11427584A patent/JPS60257632A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6441594A (en) * | 1987-08-07 | 1989-02-13 | Nec Corp | Digital interface device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0564493B2 (OSRAM) | 1993-09-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4654863A (en) | Wideband adaptive prediction | |
| Schindler | Delta modulation | |
| Crochiere et al. | Digital coding of speech in sub‐bands | |
| US4751736A (en) | Variable bit rate speech codec with backward-type prediction and quantization | |
| Maitre | 7 kHz audio coding within 64 kbit/s | |
| EP0332345A3 (en) | Codecs with suppression of multiple encoding/decodings across a connection | |
| US4005274A (en) | Pulse-code modulation communication system | |
| EP0475196A2 (en) | Method for processing audio signals in a sub-band coding system | |
| JPS6014540A (ja) | ビツト圧縮多重化システム | |
| US3471648A (en) | Vocoder utilizing companding to reduce background noise caused by quantizing errors | |
| US4191858A (en) | Block digital processing system for nonuniformly encoded digital words | |
| JPH0773249B2 (ja) | 音声符号化・復号化伝送方式 | |
| JPS60257632A (ja) | 符・復号器 | |
| US4467315A (en) | Digital compandor having nonlinear companding characteristics | |
| US3842401A (en) | Ternary code error detector for a time-division multiplex, pulse-code modulation system | |
| JPS63110830A (ja) | 帯域分割符号化復号化装置 | |
| JPS6033751A (ja) | 符・復号器 | |
| JPH0315862B2 (OSRAM) | ||
| JP2732842B2 (ja) | デジタル通信系用の会議回路 | |
| JP2838946B2 (ja) | 多地点間音声通信装置 | |
| JPH0226426A (ja) | コーデック切換装置 | |
| SU1107308A1 (ru) | Система передачи информации с адаптивной дифференциальной импульсно-кодовой модул цией с компрессией сигнала ошибки предсказани | |
| Tierney et al. | Enhanced CVSD--An Embedded speech coder for 64-16 kbps | |
| Taka et al. | CCITT Standardizing activities on speech coding | |
| KR100187815B1 (ko) | 확장가능한 다채널 adpcm 트랜스 코더 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |