BE788076A - Codeur adaptatif - Google Patents
Codeur adaptatifInfo
- Publication number
- BE788076A BE788076A BE788076A BE788076A BE788076A BE 788076 A BE788076 A BE 788076A BE 788076 A BE788076 A BE 788076A BE 788076 A BE788076 A BE 788076A BE 788076 A BE788076 A BE 788076A
- Authority
- BE
- Belgium
- Prior art keywords
- adaptive encoder
- encoder
- adaptive
- Prior art date
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]
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17613171A | 1971-08-30 | 1971-08-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE788076A true BE788076A (fr) | 1972-12-18 |
Family
ID=22643104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE788076A BE788076A (fr) | 1971-08-30 | 1972-08-28 | Codeur adaptatif |
Country Status (11)
Country | Link |
---|---|
US (1) | US3742138A (de) |
JP (1) | JPS5529619B2 (de) |
AU (1) | AU469797B2 (de) |
BE (1) | BE788076A (de) |
CA (1) | CA949217A (de) |
DE (1) | DE2242271A1 (de) |
FR (1) | FR2150949B1 (de) |
GB (1) | GB1363017A (de) |
IT (1) | IT965153B (de) |
NL (1) | NL7211697A (de) |
SE (1) | SE381542B (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE793564A (fr) * | 1971-12-30 | 1973-04-16 | Western Electric Co | Convertisseur analogique-numerique |
NL7501341A (nl) * | 1975-02-05 | 1976-08-09 | Philips Nv | Ontvanger voor de ontvangst van door pulscode- modulatie overgedragen signalen. |
US3956700A (en) * | 1975-04-18 | 1976-05-11 | Bell Telephone Laboratories, Incorporated | Two-feedback-path delta modulation system with circuits for reducing pulse width modulation |
DE2932121C2 (de) * | 1979-08-08 | 1982-09-30 | TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg | Verfahren für adaptive δ-Modulation |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3091664A (en) * | 1961-04-24 | 1963-05-28 | Gen Dynamics Corp | Delta modulator for a time division multiplex system |
US3631520A (en) * | 1968-08-19 | 1971-12-28 | Bell Telephone Labor Inc | Predictive coding of speech signals |
US3659288A (en) * | 1969-06-23 | 1972-04-25 | Vermont Technical Groups Inc | Analog convertor and computer circuit producing optimized pulse output |
US3628148A (en) * | 1969-12-23 | 1971-12-14 | Bell Telephone Labor Inc | Adaptive delta modulation system |
US3662266A (en) * | 1970-05-18 | 1972-05-09 | Bell Telephone Labor Inc | Nonlinearly sampled differential quantizer for variable length encoding |
US3633170A (en) * | 1970-06-09 | 1972-01-04 | Ibm | Digital filter and threshold circuit |
-
1971
- 1971-08-30 US US00176131A patent/US3742138A/en not_active Expired - Lifetime
-
1972
- 1972-03-09 CA CA136,676A patent/CA949217A/en not_active Expired
- 1972-08-10 SE SE7210396A patent/SE381542B/xx unknown
- 1972-08-24 GB GB3938172A patent/GB1363017A/en not_active Expired
- 1972-08-24 AU AU45948/72A patent/AU469797B2/en not_active Expired
- 1972-08-25 JP JP8469972A patent/JPS5529619B2/ja not_active Expired
- 1972-08-28 NL NL7211697A patent/NL7211697A/xx not_active Application Discontinuation
- 1972-08-28 DE DE2242271A patent/DE2242271A1/de not_active Withdrawn
- 1972-08-28 BE BE788076A patent/BE788076A/xx unknown
- 1972-08-29 IT IT69770/72A patent/IT965153B/it active
- 1972-08-29 FR FR7230691A patent/FR2150949B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA949217A (en) | 1974-06-11 |
JPS4833758A (de) | 1973-05-12 |
FR2150949A1 (de) | 1973-04-13 |
US3742138A (en) | 1973-06-26 |
FR2150949B1 (de) | 1980-03-14 |
JPS5529619B2 (de) | 1980-08-05 |
AU469797B2 (en) | 1976-02-26 |
IT965153B (it) | 1974-01-31 |
AU4594872A (en) | 1974-02-28 |
SE381542B (sv) | 1975-12-08 |
NL7211697A (de) | 1973-03-02 |
DE2242271A1 (de) | 1973-03-08 |
GB1363017A (en) | 1974-08-14 |
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