GB597340A - Improvements in or relating to means for transmitting speech signals in which subdivision of the speech into components is used - Google Patents
Improvements in or relating to means for transmitting speech signals in which subdivision of the speech into components is usedInfo
- Publication number
- GB597340A GB597340A GB13829/45A GB1382945A GB597340A GB 597340 A GB597340 A GB 597340A GB 13829/45 A GB13829/45 A GB 13829/45A GB 1382945 A GB1382945 A GB 1382945A GB 597340 A GB597340 A GB 597340A
- Authority
- GB
- United Kingdom
- Prior art keywords
- signal
- frequency
- original
- amplitude
- 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
- 230000005540 biological transmission Effects 0.000 abstract 5
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
-
- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Transmitters (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH913084X | 1944-06-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB597340A true GB597340A (en) | 1948-01-23 |
Family
ID=4547565
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB13829/45A Expired GB597340A (en) | 1944-06-01 | 1945-06-01 | Improvements in or relating to means for transmitting speech signals in which subdivision of the speech into components is used |
Country Status (5)
Country | Link |
---|---|
US (1) | US2439293A (de) |
CH (1) | CH244727A (de) |
DE (1) | DE964876C (de) |
FR (1) | FR913084A (de) |
GB (1) | GB597340A (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7503176A (nl) * | 1975-03-18 | 1976-09-21 | Philips Nv | Overdrachtsstelsel voor gesprekssignalen. |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1821004A (en) * | 1929-07-02 | 1931-09-01 | American Telephone & Telegraph | Compression of frequency range |
DE594976C (de) * | 1932-02-27 | 1934-03-27 | Karl Otto Schmidt | Verfahren zur besseren Ausnutzung des UEbertragungsweges |
DE722607C (de) * | 1939-01-14 | 1942-07-22 | Karl Otto Schmidt Dr | Verfahren zur besseren Ausnutzung des UEbertragungsweges |
US2151091A (en) * | 1935-10-30 | 1939-03-21 | Bell Telephone Labor Inc | Signal transmission |
-
1944
- 1944-06-01 CH CH244727D patent/CH244727A/de unknown
- 1944-06-04 DE DEP1300D patent/DE964876C/de not_active Expired
-
1945
- 1945-05-30 US US596704A patent/US2439293A/en not_active Expired - Lifetime
- 1945-06-01 GB GB13829/45A patent/GB597340A/en not_active Expired
- 1945-08-03 FR FR913084D patent/FR913084A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE964876C (de) | 1957-05-29 |
CH244727A (de) | 1946-09-30 |
FR913084A (fr) | 1946-08-28 |
US2439293A (en) | 1948-04-06 |
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