JPS5133712B1 - - Google Patents
Info
- Publication number
- JPS5133712B1 JPS5133712B1 JP46030202A JP3020271A JPS5133712B1 JP S5133712 B1 JPS5133712 B1 JP S5133712B1 JP 46030202 A JP46030202 A JP 46030202A JP 3020271 A JP3020271 A JP 3020271A JP S5133712 B1 JPS5133712 B1 JP S5133712B1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US3576170A | 1970-05-08 | 1970-05-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5133712B1 true JPS5133712B1 (ja) | 1976-09-21 |
Family
ID=21884636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP46030202A Pending JPS5133712B1 (ja) | 1970-05-08 | 1971-05-08 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3621396A (ja) |
| JP (1) | JPS5133712B1 (ja) |
| BE (1) | BE766698A (ja) |
| CA (1) | CA954976A (ja) |
| DE (1) | DE2122194A1 (ja) |
| FR (1) | FR2088448B1 (ja) |
| GB (1) | GB1306643A (ja) |
| SE (1) | SE359708B (ja) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE793564A (fr) * | 1971-12-30 | 1973-04-16 | Western Electric Co | Convertisseur analogique-numerique |
| US3908181A (en) * | 1972-07-17 | 1975-09-23 | Nippon Electric Co | Predictive conversion between self-correlated analog signal and corresponding digital signal according to digital companded delta modulation |
| JPS547525B2 (ja) * | 1973-12-28 | 1979-04-07 | ||
| NL167563C (nl) * | 1975-07-22 | 1981-12-16 | Philips Nv | Overdrachtstelsel voor signaaloverdracht door middel van deltamodulatie, alsmede zender en ontvanger voor een dergelijk stelsel. |
| US4123709A (en) * | 1977-01-24 | 1978-10-31 | Canadian Patents And Development Limited | Adaptive digital delta modulation for voice transmission |
| US4462106A (en) * | 1982-01-13 | 1984-07-24 | Deltalab Research, Inc. | Digital encoding circuitry |
| US4700362A (en) * | 1983-10-07 | 1987-10-13 | Dolby Laboratories Licensing Corporation | A-D encoder and D-A decoder system |
| CN101499282B (zh) * | 2008-02-03 | 2012-03-07 | 深圳艾科创新微电子有限公司 | 一种语音模数转换方法及装置 |
| US9679291B2 (en) | 2012-06-05 | 2017-06-13 | Dove Voice Technologies Ltd. | System and method of transmitting data over a voice channel |
| WO2015083147A1 (en) * | 2013-12-05 | 2015-06-11 | Yehudai Yehuda | Method and system for communication digital data on an analog signal |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3497624A (en) * | 1966-08-16 | 1970-02-24 | Bell Telephone Labor Inc | Continuously compounded delta modulation |
| NL159548B (nl) * | 1968-03-21 | 1979-02-15 | Philips Nv | Overdrachtsstelsel voor signaaloverdracht door pulscodemodulatie, alsmede zender en ontvanger voor toepassing in een dergelijk stelsel. |
| US3568061A (en) * | 1968-04-29 | 1971-03-02 | Bell Telephone Labor Inc | Bilateral digital transmission system with companding having same step size in each direction |
-
1970
- 1970-05-08 US US35761A patent/US3621396A/en not_active Expired - Lifetime
-
1971
- 1971-01-04 CA CA101,914A patent/CA954976A/en not_active Expired
- 1971-03-31 SE SE04182/71A patent/SE359708B/xx unknown
- 1971-05-04 BE BE766698A patent/BE766698A/xx unknown
- 1971-05-05 DE DE19712122194 patent/DE2122194A1/de active Pending
- 1971-05-07 FR FR7116648A patent/FR2088448B1/fr not_active Expired
- 1971-05-07 GB GB1375271*[A patent/GB1306643A/en not_active Expired
- 1971-05-08 JP JP46030202A patent/JPS5133712B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA954976A (en) | 1974-09-17 |
| BE766698A (fr) | 1971-10-01 |
| FR2088448B1 (ja) | 1974-03-08 |
| US3621396A (en) | 1971-11-16 |
| FR2088448A1 (ja) | 1972-01-07 |
| DE2122194A1 (de) | 1971-11-18 |
| SE359708B (ja) | 1973-09-03 |
| GB1306643A (en) | 1973-02-14 |