GB1087305A - Improvements in vocoders - Google Patents
Improvements in vocodersInfo
- Publication number
- GB1087305A GB1087305A GB2131465A GB2131465A GB1087305A GB 1087305 A GB1087305 A GB 1087305A GB 2131465 A GB2131465 A GB 2131465A GB 2131465 A GB2131465 A GB 2131465A GB 1087305 A GB1087305 A GB 1087305A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pulses
- speech
- frequency
- counter
- gate
- 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
- 238000005070 sampling Methods 0.000 abstract 5
- 230000005284 excitation Effects 0.000 abstract 4
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 abstract 2
- 238000001228 spectrum Methods 0.000 abstract 2
- 238000010183 spectrum analysis Methods 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000003595 spectral effect Effects 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
Classifications
-
- 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
- G10L19/02—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
-
- 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
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/93—Discriminating between voiced and unvoiced parts of speech signals
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Analogue/Digital Conversion (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7396A FR1415552A (fr) | 1964-05-26 | 1964-05-26 | Perfectionnements aux systèmes d'analyse et de reconstitution de la voix |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1087305A true GB1087305A (en) | 1967-10-18 |
Family
ID=39760576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2131465A Expired GB1087305A (en) | 1964-05-26 | 1965-05-20 | Improvements in vocoders |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH423886A (fr) |
| FR (2) | FR1415552A (fr) |
| GB (1) | GB1087305A (fr) |
| NL (1) | NL6506472A (fr) |
| SE (1) | SE309265B (fr) |
-
1964
- 1964-05-26 FR FR7396A patent/FR1415552A/fr not_active Expired
-
1965
- 1965-05-20 GB GB2131465A patent/GB1087305A/en not_active Expired
- 1965-05-21 NL NL6506472A patent/NL6506472A/xx unknown
- 1965-05-24 CH CH727165A patent/CH423886A/de unknown
- 1965-05-25 SE SE683265A patent/SE309265B/xx unknown
- 1965-12-01 FR FR7693A patent/FR89151E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE309265B (fr) | 1969-03-17 |
| CH423886A (de) | 1966-11-15 |
| FR1415552A (fr) | 1965-10-29 |
| FR89151E (fr) | 1967-05-19 |
| NL6506472A (nl) | 1965-11-29 |
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