DE3167257D1 - Transmission methods and apparatus for implementing the method - Google Patents
Transmission methods and apparatus for implementing the methodInfo
- Publication number
- DE3167257D1 DE3167257D1 DE8181430004T DE3167257T DE3167257D1 DE 3167257 D1 DE3167257 D1 DE 3167257D1 DE 8181430004 T DE8181430004 T DE 8181430004T DE 3167257 T DE3167257 T DE 3167257T DE 3167257 D1 DE3167257 D1 DE 3167257D1
- Authority
- DE
- Germany
- Prior art keywords
- implementing
- transmission methods
- transmission
- methods
- 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
- 230000005540 biological transmission Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
- H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP81430004A EP0059294B1 (de) | 1981-02-27 | 1981-02-27 | Übertragungsverfahren und Einrichtung zur Ausführung des Verfahrens |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3167257D1 true DE3167257D1 (en) | 1985-01-03 |
Family
ID=8188587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8181430004T Expired DE3167257D1 (en) | 1981-02-27 | 1981-02-27 | Transmission methods and apparatus for implementing the method |
Country Status (4)
Country | Link |
---|---|
US (1) | US4464782A (de) |
EP (1) | EP0059294B1 (de) |
JP (1) | JPS57157647A (de) |
DE (1) | DE3167257D1 (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0064119B1 (de) * | 1981-04-30 | 1985-08-28 | International Business Machines Corporation | Sprachkodierungsverfahren und Einrichtung zur Durchführung des Verfahrens |
DE3267481D1 (en) * | 1982-02-09 | 1986-01-02 | Ibm | Method for multi-speed digital transmission and apparatus for carrying out said method |
EP0093219B1 (de) * | 1982-04-30 | 1986-04-02 | International Business Machines Corporation | Digitales Kodierungsverfahren und Anordnung zur Durchführung dieses Verfahrens |
US4535472A (en) * | 1982-11-05 | 1985-08-13 | At&T Bell Laboratories | Adaptive bit allocator |
GB2182795B (en) * | 1985-11-12 | 1988-10-05 | Nat Res Dev | Apparatus and methods for speech analysis |
US4805193A (en) * | 1987-06-04 | 1989-02-14 | Motorola, Inc. | Protection of energy information in sub-band coding |
US4831624A (en) * | 1987-06-04 | 1989-05-16 | Motorola, Inc. | Error detection method for sub-band coding |
US4802171A (en) * | 1987-06-04 | 1989-01-31 | Motorola, Inc. | Method for error correction in digitally encoded speech |
US4979188A (en) * | 1988-04-29 | 1990-12-18 | Motorola, Inc. | Spectrally efficient method for communicating an information signal |
US5042069A (en) * | 1989-04-18 | 1991-08-20 | Pacific Communications Sciences, Inc. | Methods and apparatus for reconstructing non-quantized adaptively transformed voice signals |
NL9000338A (nl) * | 1989-06-02 | 1991-01-02 | Koninkl Philips Electronics Nv | Digitaal transmissiesysteem, zender en ontvanger te gebruiken in het transmissiesysteem en registratiedrager verkregen met de zender in de vorm van een optekeninrichting. |
US5150387A (en) * | 1989-12-21 | 1992-09-22 | Kabushiki Kaisha Toshiba | Variable rate encoding and communicating apparatus |
JP3033156B2 (ja) * | 1990-08-24 | 2000-04-17 | ソニー株式会社 | ディジタル信号符号化装置 |
NL9100173A (nl) * | 1991-02-01 | 1992-09-01 | Philips Nv | Subbandkodeerinrichting, en een zender voorzien van de kodeerinrichting. |
NL9100285A (nl) * | 1991-02-19 | 1992-09-16 | Koninkl Philips Electronics Nv | Transmissiesysteem, en ontvanger te gebruiken in het transmissiesysteem. |
DE69127967D1 (de) * | 1991-07-11 | 1997-11-20 | Ibm | Verbessertes Verfahren zur Teilbandbildkodierung und Einrichtung zur Durchführung dieses Verfahrens |
EP0525774B1 (de) * | 1991-07-31 | 1997-02-26 | Matsushita Electric Industrial Co., Ltd. | Verfahren und Einrichtung zur Kodierung eines digitalen Audiosignals |
JP3141450B2 (ja) * | 1991-09-30 | 2001-03-05 | ソニー株式会社 | オーディオ信号処理方法 |
US5369724A (en) * | 1992-01-17 | 1994-11-29 | Massachusetts Institute Of Technology | Method and apparatus for encoding, decoding and compression of audio-type data using reference coefficients located within a band of coefficients |
US5394508A (en) * | 1992-01-17 | 1995-02-28 | Massachusetts Institute Of Technology | Method and apparatus for encoding decoding and compression of audio-type data |
JPH09102190A (ja) * | 1995-08-02 | 1997-04-15 | Sanyo Electric Co Ltd | 信号記録装置、及び信号読出装置、並びに信号記録・読出装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3750024A (en) * | 1971-06-16 | 1973-07-31 | Itt Corp Nutley | Narrow band digital speech communication system |
FR2389277A1 (fr) * | 1977-04-29 | 1978-11-24 | Ibm France | Procede de quantification a allocation dynamique du taux de bits disponible, et dispositif de mise en oeuvre dudit procede |
JPS542050A (en) * | 1977-06-07 | 1979-01-09 | Nec Corp | Block coding and decoding system |
FR2412987A1 (fr) * | 1977-12-23 | 1979-07-20 | Ibm France | Procede de compression de donnees relatives au signal vocal et dispositif mettant en oeuvre ledit procede |
-
1981
- 1981-02-27 EP EP81430004A patent/EP0059294B1/de not_active Expired
- 1981-02-27 DE DE8181430004T patent/DE3167257D1/de not_active Expired
- 1981-12-11 JP JP56198688A patent/JPS57157647A/ja active Granted
-
1982
- 1982-02-08 US US06/346,475 patent/US4464782A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS57157647A (en) | 1982-09-29 |
US4464782A (en) | 1984-08-07 |
EP0059294B1 (de) | 1984-11-21 |
EP0059294A1 (de) | 1982-09-08 |
JPS6251536B2 (de) | 1987-10-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8330 | Complete renunciation |