IT989081B - Disposizione circuitale per la trasmissione di segnali vocali codificati attraverso vie di trasmissione con diverse lar ghezze di banda di trasmissione - Google Patents
Disposizione circuitale per la trasmissione di segnali vocali codificati attraverso vie di trasmissione con diverse lar ghezze di banda di trasmissioneInfo
- Publication number
- IT989081B IT989081B IT2527273A IT2527273A IT989081B IT 989081 B IT989081 B IT 989081B IT 2527273 A IT2527273 A IT 2527273A IT 2527273 A IT2527273 A IT 2527273A IT 989081 B IT989081 B IT 989081B
- Authority
- IT
- Italy
- Prior art keywords
- transmission
- lar
- widths
- different
- voice signals
- Prior art date
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
- H04B1/662—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 time/frequency relationship, e.g. time compression or expansion
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722228905 DE2228905A1 (de) | 1972-06-14 | 1972-06-14 | Schaltungsanordnung zum uebertragen von codierten sprachsignalen ueber uebertragungswege mit unterschiedlichen uebertragungsbandbreiten |
Publications (1)
Publication Number | Publication Date |
---|---|
IT989081B true IT989081B (it) | 1975-05-20 |
Family
ID=5847714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2527273A IT989081B (it) | 1972-06-14 | 1973-06-12 | Disposizione circuitale per la trasmissione di segnali vocali codificati attraverso vie di trasmissione con diverse lar ghezze di banda di trasmissione |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU5676573A (de) |
DE (1) | DE2228905A1 (de) |
IT (1) | IT989081B (de) |
NL (1) | NL7308150A (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2750240C3 (de) * | 1977-11-10 | 1981-03-26 | Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg | Verfahren zur Verbesserung der Wiedergabequalität von Sprache bei Verschlüsselungsverfahren |
-
1972
- 1972-06-14 DE DE19722228905 patent/DE2228905A1/de active Pending
-
1973
- 1973-06-12 IT IT2527273A patent/IT989081B/it active
- 1973-06-12 NL NL7308150A patent/NL7308150A/xx not_active Application Discontinuation
- 1973-06-12 AU AU56765/73A patent/AU5676573A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU5676573A (en) | 1974-12-12 |
DE2228905A1 (de) | 1974-01-03 |
NL7308150A (de) | 1973-12-18 |
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