DE1282098B - Verfahren und Anordnung zur Beseitigung der Grundfrequenzanteile in den Spektrumkanaelen eines Kanalvocoders - Google Patents
Verfahren und Anordnung zur Beseitigung der Grundfrequenzanteile in den Spektrumkanaelen eines KanalvocodersInfo
- Publication number
- DE1282098B DE1282098B DEJ30613A DEJ0030613A DE1282098B DE 1282098 B DE1282098 B DE 1282098B DE J30613 A DEJ30613 A DE J30613A DE J0030613 A DEJ0030613 A DE J0030613A DE 1282098 B DE1282098 B DE 1282098B
- Authority
- DE
- Germany
- Prior art keywords
- channel
- output
- excitation
- pulse
- voiced
- 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.)
- Withdrawn
Links
- 238000001228 spectrum Methods 0.000 title claims description 26
- 238000000034 method Methods 0.000 title claims description 13
- 230000005284 excitation Effects 0.000 claims description 40
- 230000010354 integration Effects 0.000 claims description 22
- 239000003990 capacitor Substances 0.000 claims description 14
- 230000006870 function Effects 0.000 claims description 12
- 230000001960 triggered effect Effects 0.000 claims description 11
- 238000010183 spectrum analysis Methods 0.000 claims description 6
- 230000015654 memory Effects 0.000 claims description 4
- 230000001419 dependent effect Effects 0.000 claims description 3
- 238000012935 Averaging Methods 0.000 claims description 2
- 238000012986 modification Methods 0.000 claims 2
- 230000004048 modification Effects 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 description 19
- 238000003786 synthesis reaction Methods 0.000 description 17
- 230000003595 spectral effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 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)
- Analogue/Digital Conversion (AREA)
- Brushes (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT382565A AT255497B (de) | 1965-04-26 | 1965-04-26 | Kanalvocoder mit Impulsanreger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1282098B true DE1282098B (de) | 1968-11-07 |
Family
ID=3555930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEJ30613A Withdrawn DE1282098B (de) | 1965-04-26 | 1966-04-14 | Verfahren und Anordnung zur Beseitigung der Grundfrequenzanteile in den Spektrumkanaelen eines Kanalvocoders |
Country Status (9)
| Country | Link |
|---|---|
| AT (1) | AT255497B (instruction) |
| BE (1) | BE679146A (instruction) |
| CH (1) | CH434379A (instruction) |
| DE (1) | DE1282098B (instruction) |
| ES (1) | ES325890A1 (instruction) |
| FR (1) | FR1477067A (instruction) |
| GB (1) | GB1120706A (instruction) |
| NL (1) | NL6605487A (instruction) |
| SE (1) | SE326214B (instruction) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8962242B2 (en) | 2011-01-24 | 2015-02-24 | Genia Technologies, Inc. | System for detecting electrical properties of a molecular complex |
-
1965
- 1965-04-26 AT AT382565A patent/AT255497B/de active
-
1966
- 1966-04-06 BE BE679146D patent/BE679146A/xx unknown
- 1966-04-14 DE DEJ30613A patent/DE1282098B/de not_active Withdrawn
- 1966-04-15 GB GB16552/66A patent/GB1120706A/en not_active Expired
- 1966-04-22 FR FR58556A patent/FR1477067A/fr not_active Expired
- 1966-04-23 ES ES0325890A patent/ES325890A1/es not_active Expired
- 1966-04-25 NL NL6605487A patent/NL6605487A/xx unknown
- 1966-04-26 CH CH605466A patent/CH434379A/de unknown
- 1966-04-26 SE SE05617/66A patent/SE326214B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES325890A1 (es) | 1967-04-01 |
| BE679146A (instruction) | 1966-09-16 |
| FR1477067A (fr) | 1967-04-14 |
| SE326214B (instruction) | 1970-07-20 |
| CH434379A (de) | 1967-04-30 |
| GB1120706A (en) | 1968-07-24 |
| NL6605487A (instruction) | 1966-10-27 |
| AT255497B (de) | 1967-07-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E77 | Valid patent as to the heymanns-index 1977 | ||
| EHJ | Ceased/non-payment of the annual fee |