JPS58159033A - 交流信号のデジタル符号化装置 - Google Patents
交流信号のデジタル符号化装置Info
- Publication number
- JPS58159033A JPS58159033A JP57041550A JP4155082A JPS58159033A JP S58159033 A JPS58159033 A JP S58159033A JP 57041550 A JP57041550 A JP 57041550A JP 4155082 A JP4155082 A JP 4155082A JP S58159033 A JPS58159033 A JP S58159033A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- value
- memory
- interval
- time
- 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
- 238000005070 sampling Methods 0.000 claims abstract description 14
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000005236 sound signal Effects 0.000 description 8
- 238000013139 quantization Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 241000272201 Columbiformes Species 0.000 description 1
- 101100490184 Drosophila melanogaster Ack gene Proteins 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/14—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit
- H03M1/16—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit with scale factor modification, i.e. by changing the amplification between the steps
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/66—Digital/analogue converters
- H03M1/74—Simultaneous conversion
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57041550A JPS58159033A (ja) | 1982-03-16 | 1982-03-16 | 交流信号のデジタル符号化装置 |
| FR838304274A FR2530897B1 (fr) | 1982-03-16 | 1983-03-15 | Procede et systeme pour une compression de donnees par un echantillonnage a frequence variable |
| US06/475,405 US4626827A (en) | 1982-03-16 | 1983-03-15 | Method and system for data compression by variable frequency sampling |
| GB08307196A GB2128049B (en) | 1982-03-16 | 1983-03-16 | Method and system for data compression by variable frequency sampling |
| DE3309467A DE3309467A1 (de) | 1982-03-16 | 1983-03-16 | Verfahren zur datenkomprimierung durch abtastung mit variabler frequenz und fuer dieses verfahren geeignetes uebersetzungssystem |
| GB08515095A GB2160040B (en) | 1982-03-16 | 1985-06-14 | Method and system for decoding a digital signal using a variable frequency low-pass filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57041550A JPS58159033A (ja) | 1982-03-16 | 1982-03-16 | 交流信号のデジタル符号化装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58159033A true JPS58159033A (ja) | 1983-09-21 |
| JPS6345138B2 JPS6345138B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-09-08 |
Family
ID=12611529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57041550A Granted JPS58159033A (ja) | 1982-03-16 | 1982-03-16 | 交流信号のデジタル符号化装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58159033A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
1982
- 1982-03-16 JP JP57041550A patent/JPS58159033A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6345138B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-09-08 |