CA1072684A - Digital encoder/decoder - Google Patents
Digital encoder/decoderInfo
- Publication number
- CA1072684A CA1072684A CA235,331A CA235331A CA1072684A CA 1072684 A CA1072684 A CA 1072684A CA 235331 A CA235331 A CA 235331A CA 1072684 A CA1072684 A CA 1072684A
- Authority
- CA
- Canada
- Prior art keywords
- signal
- attack
- compand
- decay
- preselected sequence
- 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
- 230000007423 decrease Effects 0.000 claims abstract description 15
- 239000003990 capacitor Substances 0.000 claims description 29
- 230000008859 change Effects 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims 5
- 238000001514 detection method Methods 0.000 claims 4
- 238000001914 filtration Methods 0.000 claims 2
- 238000010276 construction Methods 0.000 claims 1
- 230000010354 integration Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- QHGVXILFMXYDRS-UHFFFAOYSA-N pyraclofos Chemical compound C1=C(OP(=O)(OCC)SCCC)C=NN1C1=CC=C(Cl)C=C1 QHGVXILFMXYDRS-UHFFFAOYSA-N 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/02—Delta modulation, i.e. one-bit differential modulation
- H03M3/022—Delta modulation, i.e. one-bit differential modulation with adaptable step size, e.g. adaptive delta modulation [ADM]
- H03M3/024—Delta modulation, i.e. one-bit differential modulation with adaptable step size, e.g. adaptive delta modulation [ADM] using syllabic companding, e.g. continuously variable slope delta modulation [CVSD]
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Analogue/Digital Conversion (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/506,777 US4042921A (en) | 1973-12-11 | 1974-09-17 | Digital encoder/decoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1072684A true CA1072684A (en) | 1980-02-26 |
Family
ID=24015973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA235,331A Expired CA1072684A (en) | 1974-09-17 | 1975-09-12 | Digital encoder/decoder |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS5156167A (en, 2012) |
| BE (1) | BE833490A (en, 2012) |
| CA (1) | CA1072684A (en, 2012) |
| DE (1) | DE2541476A1 (en, 2012) |
| DK (1) | DK414275A (en, 2012) |
| FI (1) | FI752580A7 (en, 2012) |
| FR (1) | FR2285755A1 (en, 2012) |
| IT (1) | IT1042619B (en, 2012) |
| NL (1) | NL7510928A (en, 2012) |
| NO (1) | NO753151L (en, 2012) |
| SE (1) | SE7510188L (en, 2012) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01157028U (en, 2012) * | 1988-04-21 | 1989-10-30 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2098466A5 (en, 2012) * | 1969-10-16 | 1972-03-10 | Ibm France | |
| US3806806A (en) * | 1972-11-20 | 1974-04-23 | Bell Telephone Labor Inc | Adaptive data modulator |
-
1975
- 1975-09-12 SE SE7510188A patent/SE7510188L/xx unknown
- 1975-09-12 CA CA235,331A patent/CA1072684A/en not_active Expired
- 1975-09-16 DK DK414275A patent/DK414275A/da unknown
- 1975-09-16 FR FR7528340A patent/FR2285755A1/fr active Granted
- 1975-09-16 NO NO753151A patent/NO753151L/no unknown
- 1975-09-16 FI FI752580A patent/FI752580A7/fi not_active Application Discontinuation
- 1975-09-17 JP JP50111777A patent/JPS5156167A/ja active Granted
- 1975-09-17 BE BE160099A patent/BE833490A/xx not_active IP Right Cessation
- 1975-09-17 IT IT27326/75A patent/IT1042619B/it active
- 1975-09-17 DE DE19752541476 patent/DE2541476A1/de not_active Withdrawn
- 1975-09-17 NL NL7510928A patent/NL7510928A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| FI752580A7 (en, 2012) | 1976-03-18 |
| DK414275A (da) | 1976-03-18 |
| FR2285755A1 (fr) | 1976-04-16 |
| JPS5156167A (en) | 1976-05-17 |
| BE833490A (fr) | 1976-01-16 |
| SE7510188L (sv) | 1976-03-18 |
| NL7510928A (nl) | 1976-03-19 |
| IT1042619B (it) | 1980-01-30 |
| JPS5732527B2 (en, 2012) | 1982-07-12 |
| DE2541476A1 (de) | 1976-03-25 |
| NO753151L (en, 2012) | 1976-03-18 |
| FR2285755B3 (en, 2012) | 1979-06-29 |
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|---|---|---|
| US4042921A (en) | Digital encoder/decoder | |
| US3806806A (en) | Adaptive data modulator | |
| RU2159505C2 (ru) | Устройство и способ преобразования аналогового сигнала в цифровую форму, устройство и способ преобразования множества двоично-кодированных числовых отсчетов сигнала в аналоговый сигнал | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |