ES409984A1 - Sistema de transmision de voz empleando tecnicas digitales. - Google Patents
Sistema de transmision de voz empleando tecnicas digitales.Info
- Publication number
- ES409984A1 ES409984A1 ES409984A ES409984A ES409984A1 ES 409984 A1 ES409984 A1 ES 409984A1 ES 409984 A ES409984 A ES 409984A ES 409984 A ES409984 A ES 409984A ES 409984 A1 ES409984 A1 ES 409984A1
- Authority
- ES
- Spain
- Prior art keywords
- signal
- filter
- elements
- excitation
- information
- 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
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H21/00—Adaptive networks
- H03H21/0012—Digital adaptive filters
-
- 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
-
- 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
- G10L19/04—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 predictive techniques
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Signal Processing (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Filters That Use Time-Delay Elements (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5993271A GB1356649A (en) | 1971-12-23 | 1971-12-23 | Speech transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES409984A1 true ES409984A1 (es) | 1976-01-01 |
Family
ID=10484681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES409984A Expired ES409984A1 (es) | 1971-12-23 | 1972-12-22 | Sistema de transmision de voz empleando tecnicas digitales. |
Country Status (3)
| Country | Link |
|---|---|
| ES (1) | ES409984A1 (2) |
| FR (1) | FR2164813B3 (2) |
| GB (1) | GB1356649A (2) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2130055B (en) * | 1982-11-05 | 1986-08-06 | Stc Plc | A digital speech transmission system |
-
1971
- 1971-12-23 GB GB5993271A patent/GB1356649A/en not_active Expired
-
1972
- 1972-12-21 FR FR7245703A patent/FR2164813B3/fr not_active Expired
- 1972-12-22 ES ES409984A patent/ES409984A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1356649A (en) | 1974-06-12 |
| FR2164813B3 (2) | 1976-02-13 |
| FR2164813A1 (2) | 1973-08-03 |
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