CA946514A - Digital speech compression - Google Patents
Digital speech compressionInfo
- Publication number
- CA946514A CA946514A CA114,084A CA114084A CA946514A CA 946514 A CA946514 A CA 946514A CA 114084 A CA114084 A CA 114084A CA 946514 A CA946514 A CA 946514A
- Authority
- CA
- Canada
- Prior art keywords
- digital speech
- speech compression
- compression
- digital
- speech
- 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
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)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Radio Relay Systems (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4396270A | 1970-06-05 | 1970-06-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA946514A true CA946514A (en) | 1974-04-30 |
Family
ID=21929823
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA114,084A Expired CA946514A (en) | 1970-06-05 | 1971-05-27 | Digital speech compression |
Country Status (6)
Country | Link |
---|---|
CA (1) | CA946514A (en) |
DE (1) | DE2127544A1 (en) |
FR (1) | FR2096010A5 (en) |
GB (1) | GB1338723A (en) |
NL (1) | NL7107792A (en) |
SE (1) | SE367502B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4048443A (en) * | 1975-12-12 | 1977-09-13 | Bell Telephone Laboratories, Incorporated | Digital speech communication system for minimizing quantizing noise |
FR2389277A1 (en) * | 1977-04-29 | 1978-11-24 | Ibm France | QUANTIFICATION PROCESS WITH DYNAMIC ALLOCATION OF THE AVAILABLE BIT RATE, AND DEVICE FOR IMPLEMENTING THE SAID PROCESS |
-
1971
- 1971-05-27 CA CA114,084A patent/CA946514A/en not_active Expired
- 1971-05-28 GB GB1779871A patent/GB1338723A/en not_active Expired
- 1971-06-01 SE SE707271A patent/SE367502B/xx unknown
- 1971-06-03 DE DE19712127544 patent/DE2127544A1/en not_active Withdrawn
- 1971-06-07 FR FR7120558A patent/FR2096010A5/fr not_active Expired
- 1971-06-07 NL NL7107792A patent/NL7107792A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
FR2096010A5 (en) | 1972-02-11 |
DE2127544A1 (en) | 1971-12-16 |
GB1338723A (en) | 1973-11-28 |
SE367502B (en) | 1974-05-27 |
NL7107792A (en) | 1971-12-07 |
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