EP0543700A3 - Method for quantification of speed signal energy in a low bit rate vocoder - Google Patents
Method for quantification of speed signal energy in a low bit rate vocoder Download PDFInfo
- Publication number
- EP0543700A3 EP0543700A3 EP19920403025 EP92403025A EP0543700A3 EP 0543700 A3 EP0543700 A3 EP 0543700A3 EP 19920403025 EP19920403025 EP 19920403025 EP 92403025 A EP92403025 A EP 92403025A EP 0543700 A3 EP0543700 A3 EP 0543700A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- quantification
- bit rate
- speed signal
- signal energy
- low bit
- 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- Withdrawn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
- 238000000034 method Methods 0.000 title 1
- 238000011002 quantification Methods 0.000 title 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
- 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
- G10L19/032—Quantisation or dequantisation of spectral components
- G10L19/038—Vector quantisation, e.g. TwinVQ audio
-
- 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)
- Spectroscopy & Molecular Physics (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)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9114402 | 1991-11-22 | ||
FR9114402A FR2684225A1 (fr) | 1991-11-22 | 1991-11-22 | Procede de quantification de l'energie du signal de parole dans un vocodeur a tres faible debit. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0543700A2 EP0543700A2 (fr) | 1993-05-26 |
EP0543700A3 true EP0543700A3 (en) | 1993-09-29 |
Family
ID=9419210
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19920403025 Withdrawn EP0543700A3 (en) | 1991-11-22 | 1992-11-10 | Method for quantification of speed signal energy in a low bit rate vocoder |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0543700A3 (fr) |
CA (1) | CA2083335A1 (fr) |
FR (1) | FR2684225A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110109646B (zh) * | 2019-03-28 | 2021-08-27 | 北京迈格威科技有限公司 | 数据处理方法、装置和乘加器及存储介质 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2331207A2 (fr) * | 1975-11-05 | 1977-06-03 | Ibm France | Procede de quantification par blocs d'echantillons d'un signal electrique, et dispositif de mise en oeuvre dudit procede |
DE3736193A1 (de) * | 1986-10-26 | 1988-05-05 | Ricoh Kk | Sprachsignal-kodierverfahren |
EP0454552A2 (fr) * | 1990-04-27 | 1991-10-30 | Thomson-Csf | ProcédÀ© et dispositif de codage bas débit de la parole |
DE4103277A1 (de) * | 1991-02-04 | 1992-08-06 | Hilberg Wolfgang | Speichergesteuerte codierung zeitabhaengiger funktionen mit symbolbedeutung |
-
1991
- 1991-11-22 FR FR9114402A patent/FR2684225A1/fr active Pending
-
1992
- 1992-11-10 EP EP19920403025 patent/EP0543700A3/fr not_active Withdrawn
- 1992-11-19 CA CA 2083335 patent/CA2083335A1/fr not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2331207A2 (fr) * | 1975-11-05 | 1977-06-03 | Ibm France | Procede de quantification par blocs d'echantillons d'un signal electrique, et dispositif de mise en oeuvre dudit procede |
DE3736193A1 (de) * | 1986-10-26 | 1988-05-05 | Ricoh Kk | Sprachsignal-kodierverfahren |
EP0454552A2 (fr) * | 1990-04-27 | 1991-10-30 | Thomson-Csf | ProcédÀ© et dispositif de codage bas débit de la parole |
DE4103277A1 (de) * | 1991-02-04 | 1992-08-06 | Hilberg Wolfgang | Speichergesteuerte codierung zeitabhaengiger funktionen mit symbolbedeutung |
Non-Patent Citations (2)
Title |
---|
ICASSP'87 (1987 INTERNATIONAL CONFERENCE ON ACOUSITCS, SPEECH, AND SIGNAL PROCESSING, Dallas, Texas, 6-9 avril 1987), vol. 4, pages 1949-1952, IEEE, New York, US; S. ROUCOS et al.: "A segment vocoder algorithm for real-time implementation" * |
ICASSP'87 (1987 INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, Dallas, Texas, 6-9 avril 1987), vol. 3, pages 1653-1656, IEEE, New York, US; J. PICONE et al.: "Low rate speech coding using contour quantization" * |
Also Published As
Publication number | Publication date |
---|---|
EP0543700A2 (fr) | 1993-05-26 |
FR2684225A1 (fr) | 1993-05-28 |
CA2083335A1 (fr) | 1993-05-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): BE DE ES GB IT |
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PUAL | Search report despatched |
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AK | Designated contracting states |
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RAP3 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: THOMSON-CSF |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19940330 |