JPS58200648A - 適応形デルタ変調方式 - Google Patents
適応形デルタ変調方式Info
- Publication number
- JPS58200648A JPS58200648A JP8322482A JP8322482A JPS58200648A JP S58200648 A JPS58200648 A JP S58200648A JP 8322482 A JP8322482 A JP 8322482A JP 8322482 A JP8322482 A JP 8322482A JP S58200648 A JPS58200648 A JP S58200648A
- Authority
- JP
- Japan
- Prior art keywords
- step size
- integrator
- state
- delta
- 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.)
- Granted
Links
- 230000003044 adaptive effect Effects 0.000 title claims abstract description 39
- 238000005070 sampling Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 18
- 238000012544 monitoring process Methods 0.000 claims description 2
- 230000007704 transition Effects 0.000 abstract description 12
- 238000004891 communication Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 5
- 230000010354 integration Effects 0.000 description 5
- 238000011084 recovery Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000010295 mobile communication 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]
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 |
|---|---|---|---|
| JP8322482A JPS58200648A (ja) | 1982-05-19 | 1982-05-19 | 適応形デルタ変調方式 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8322482A JPS58200648A (ja) | 1982-05-19 | 1982-05-19 | 適応形デルタ変調方式 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58200648A true JPS58200648A (ja) | 1983-11-22 |
| JPS6331974B2 JPS6331974B2 (OSRAM) | 1988-06-28 |
Family
ID=13796341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8322482A Granted JPS58200648A (ja) | 1982-05-19 | 1982-05-19 | 適応形デルタ変調方式 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58200648A (OSRAM) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02148377U (OSRAM) * | 1988-11-18 | 1990-12-17 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS547525A (en) * | 1977-06-20 | 1979-01-20 | Hitachi Ltd | Gate pulse transformer |
-
1982
- 1982-05-19 JP JP8322482A patent/JPS58200648A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS547525A (en) * | 1977-06-20 | 1979-01-20 | Hitachi Ltd | Gate pulse transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6331974B2 (OSRAM) | 1988-06-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4493091A (en) | Analog and digital signal apparatus | |
| RU2159505C2 (ru) | Устройство и способ преобразования аналогового сигнала в цифровую форму, устройство и способ преобразования множества двоично-кодированных числовых отсчетов сигнала в аналоговый сигнал | |
| US5745061A (en) | Method of improving the stability of a sigma-delta modulator employing dither | |
| JP4486759B2 (ja) | ナイキストフィルタ及び方法 | |
| KR910006441B1 (ko) | 디지탈 및 아날로그 변환시스템 | |
| JP2002519925A (ja) | ディジタルーアナログ変換器における直流オフセット補正のための方法及び装置 | |
| US3937897A (en) | Signal coding for telephone communication system | |
| US5457714A (en) | Software controlled adaptive delta modulator | |
| JPS5920204B2 (ja) | 適応性デルタ変調システム | |
| AU3935400A (en) | Receiver and gain control method of the same | |
| US5451949A (en) | One-bit analog-to-digital converters and digital-to-analog converters using an adaptive filter having two regimes of operation | |
| US6219380B1 (en) | Pulse position modulation based transceiver architecture with fast acquisition slot-locked-loop | |
| US5727031A (en) | Adaptive gain controller | |
| US3975588A (en) | Acoustic feedback control | |
| US5790062A (en) | Delta modulator with pseudo constant modulation level | |
| JPS58200648A (ja) | 適応形デルタ変調方式 | |
| US4507792A (en) | PCM Encoder conformable to the A-law | |
| US5095496A (en) | Digital audio signal receiver | |
| US3995217A (en) | Method and apparatus for suppressing background noise in a digital telephone system | |
| KR20050038023A (ko) | 저비용 고파워의 디지털 무선 전화 구조 | |
| US8089860B2 (en) | Data transmission system and method | |
| US6486810B1 (en) | Method and apparatus for continuously variable slope delta modulation coding of signals | |
| KR960001114B1 (ko) | 무선전화기의 잡음억압방법 | |
| SU545079A1 (ru) | Дельта-демодул тор телефонного канала | |
| RU1795554C (ru) | Дельта-модул тор дл передачи речевых сигналов |