CH561485A5 - - Google Patents
Info
- Publication number
- CH561485A5 CH561485A5 CH1590372A CH1590372A CH561485A5 CH 561485 A5 CH561485 A5 CH 561485A5 CH 1590372 A CH1590372 A CH 1590372A CH 1590372 A CH1590372 A CH 1590372A CH 561485 A5 CH561485 A5 CH 561485A5
- Authority
- CH
- Switzerland
- Prior art keywords
- signal
- filter
- speech
- receiver
- input
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 abstract 4
- 230000003044 adaptive effect Effects 0.000 abstract 2
- 238000001228 spectrum Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5127671 | 1971-11-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH561485A5 true CH561485A5 (OSRAM) | 1975-04-30 |
Family
ID=10459372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1590372A CH561485A5 (OSRAM) | 1971-11-04 | 1972-11-01 |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS4855608A (OSRAM) |
| AU (1) | AU4811872A (OSRAM) |
| BE (1) | BE790963A (OSRAM) |
| CH (1) | CH561485A5 (OSRAM) |
| DE (1) | DE2253222A1 (OSRAM) |
| ES (1) | ES408224A1 (OSRAM) |
| FR (1) | FR2160030A5 (OSRAM) |
| GB (1) | GB1347794A (OSRAM) |
| IT (1) | IT969974B (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2130055B (en) * | 1982-11-05 | 1986-08-06 | Stc Plc | A digital speech transmission system |
| JPS63108108A (ja) * | 1986-10-24 | 1988-05-13 | Tokyo Met Gov | 下水汚泥の焼却法 |
-
0
- BE BE790963D patent/BE790963A/xx unknown
-
1971
- 1971-11-04 GB GB1347794D patent/GB1347794A/en not_active Expired
-
1972
- 1972-10-25 AU AU48118/72A patent/AU4811872A/en not_active Expired
- 1972-10-27 IT IT3100372A patent/IT969974B/it active
- 1972-10-30 DE DE19722253222 patent/DE2253222A1/de active Pending
- 1972-11-01 CH CH1590372A patent/CH561485A5/xx not_active IP Right Cessation
- 1972-11-02 JP JP10956572A patent/JPS4855608A/ja active Pending
- 1972-11-03 ES ES408224A patent/ES408224A1/es not_active Expired
- 1972-11-06 FR FR7239127A patent/FR2160030A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT969974B (it) | 1974-04-10 |
| GB1347794A (en) | 1974-02-27 |
| ES408224A1 (es) | 1975-11-16 |
| FR2160030A5 (OSRAM) | 1973-06-22 |
| BE790963A (fr) | 1973-05-07 |
| DE2253222A1 (de) | 1973-05-10 |
| AU4811872A (en) | 1974-04-26 |
| JPS4855608A (OSRAM) | 1973-08-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| PL205022A1 (pl) | Sposob przesylania sygnalow w ukladzie transmisyjnym telefonicznym i uklad transmisyjny telefoniczny | |
| EP0280574A3 (en) | Method and apparatus for predictive coding | |
| DE3366379D1 (en) | Process for transmitting a hdbn coded signal with an auxiliary binary signal, coder and decoder according to the process and remote repeater supervision of a digital link by such an auxiliary signal | |
| FR2160030A5 (OSRAM) | ||
| DE68925644D1 (de) | Technik zum reduzieren des rauschens der actv-randteile | |
| GB1269693A (en) | A band-compressed television signal transmission system | |
| ATE105449T1 (de) | Wortbreitenreduzierungssystem fuer videosignalverarbeitung und - uebertragung. | |
| GB873926A (en) | Improvements in or relating to electric pulse code systems of communications | |
| AU561497B2 (en) | Differential pcm transmission | |
| FR2164813B3 (OSRAM) | ||
| GB1007951A (en) | Improvements in or relating to signal amplitude coders | |
| JPS54150013A (en) | Digital signal transmission system | |
| JPS55143875A (en) | Facsimile signal redundancy suppression coding system | |
| JPS55166338A (en) | Pcm coding device | |
| SU785992A1 (ru) | Кодер дельта-модул ции с компрессированием динамического диапазона | |
| JPS57113652A (en) | Signal encryption device | |
| JPS579128A (en) | Forecast encoding device | |
| JPS5411613A (en) | Band compressing system | |
| JPS579127A (en) | Forecasting encoding device | |
| GB1338723A (en) | Digital speech compression | |
| JPS57101421A (en) | Generating circuit for differential pulse code modulation signal | |
| JPS5612145A (en) | Supervisory system of pcm coding-decoding circuit | |
| VIRUPAKSHA | Entropy coded adaptive differential pulse code modulation systems for speech signals(Development of entropy coded adaptive differential pulse code modulation systems for speech signals) | |
| JPS57115062A (en) | Method for transmitting fm data | |
| JPS5570145A (en) | Adaptive dpcm system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |