JPS6244730B2 - - Google Patents
Info
- Publication number
- JPS6244730B2 JPS6244730B2 JP54103799A JP10379979A JPS6244730B2 JP S6244730 B2 JPS6244730 B2 JP S6244730B2 JP 54103799 A JP54103799 A JP 54103799A JP 10379979 A JP10379979 A JP 10379979A JP S6244730 B2 JPS6244730 B2 JP S6244730B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal
- predicted value
- quantization
- code word
- 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
- 238000000034 method Methods 0.000 claims description 24
- 238000004891 communication Methods 0.000 claims description 5
- 238000013139 quantization Methods 0.000 description 22
- 238000004364 calculation method Methods 0.000 description 13
- 238000003780 insertion Methods 0.000 description 12
- 230000037431 insertion Effects 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 230000003044 adaptive effect Effects 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000011664 signaling Effects 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 125000002015 acyclic group Chemical group 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012544 monitoring process 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
- H03M7/3002—Conversion to or from differential modulation
- H03M7/3044—Conversion to or from differential modulation with several bits only, i.e. the difference between successive samples being coded by more than one bit, e.g. differential pulse code modulation [DPCM]
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Time-Division Multiplex Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10379979A JPS5627547A (en) | 1979-08-14 | 1979-08-14 | Method and device for predictive coding and decoding |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10379979A JPS5627547A (en) | 1979-08-14 | 1979-08-14 | Method and device for predictive coding and decoding |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5627547A JPS5627547A (en) | 1981-03-17 |
JPS6244730B2 true JPS6244730B2 (enrdf_load_stackoverflow) | 1987-09-22 |
Family
ID=14363437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10379979A Granted JPS5627547A (en) | 1979-08-14 | 1979-08-14 | Method and device for predictive coding and decoding |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5627547A (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5923939A (ja) * | 1982-07-30 | 1984-02-07 | Nec Corp | ビットスティ−ル補償方式 |
-
1979
- 1979-08-14 JP JP10379979A patent/JPS5627547A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5627547A (en) | 1981-03-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4592070A (en) | ADPCM encoder/decoder with improved tracking | |
JPS623535A (ja) | 符号化伝送装置 | |
US4573167A (en) | Digital communication system, particularly color television transmission system | |
US4549304A (en) | ADPCM Encoder/decoder with signalling bit insertion | |
US4571737A (en) | Adaptive differential pulse code modulation decoding circuit | |
JPS6029090A (ja) | ベクトル信号の繰込み量子化方式 | |
US4542516A (en) | ADPCM Encoder/decoder with zero code suppression | |
JPS6031325A (ja) | 予測停止adpcm符号化方式およびその回路 | |
US6366881B1 (en) | Voice encoding method | |
JPS6244730B2 (enrdf_load_stackoverflow) | ||
KR0138115B1 (ko) | 디지탈 신호 처리 장치 | |
JPS6031326A (ja) | Dpcm符号化復号化方法および装置 | |
JP2809524B2 (ja) | デジタル伝送システムの同期方式 | |
JP3055269B2 (ja) | 伝送路誤り補償方法 | |
JPH0588697A (ja) | 欠落音声補間方式 | |
JPH0237738B2 (enrdf_load_stackoverflow) | ||
JPH0525207B2 (enrdf_load_stackoverflow) | ||
CA1200331A (en) | Adpcm encoder/decoder with signalling bit insertion | |
KR100195698B1 (ko) | Dpcm 부호화방법 | |
JPH05119800A (ja) | デジタル音声データの高能率圧縮方法 | |
JPH03177114A (ja) | Adpcm符号化方式 | |
JP2653069B2 (ja) | ディジタル信号伝送装置 | |
JP2582072B2 (ja) | 符号化復号化方法 | |
KR100417602B1 (ko) | 양자화 복호화 장치 | |
JPS6028453B2 (ja) | 符号化方式 |