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 PDF

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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Withdrawn
Application number
EP19920403025
Other languages
French (fr)
Other versions
EP0543700A2 (en
Inventor
Pierre Laurent
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
Thomson CSF SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Thomson CSF SA filed Critical Thomson CSF SA
Publication of EP0543700A2 publication Critical patent/EP0543700A2/en
Publication of EP0543700A3 publication Critical patent/EP0543700A3/en
Withdrawn legal-status Critical Current

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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)
EP19920403025 1991-11-22 1992-11-10 Method for quantification of speed signal energy in a low bit rate vocoder Withdrawn EP0543700A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9114402A FR2684225A1 (en) 1991-11-22 1991-11-22 METHOD FOR QUANTIFYING SPEECH SIGNAL ENERGY IN A VOCODER AT VERY LOW SPEED.
FR9114402 1991-11-22

Publications (2)

Publication Number Publication Date
EP0543700A2 EP0543700A2 (en) 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 (en)
CA (1) CA2083335A1 (en)
FR (1) FR2684225A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110109646B (en) * 2019-03-28 2021-08-27 北京迈格威科技有限公司 Data processing method, data processing device, multiplier-adder and storage medium

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2331207A2 (en) * 1975-11-05 1977-06-03 Ibm France BLOCK QUANTIFICATION PROCESS OF SAMPLES OF AN ELECTRIC SIGNAL, AND DEVICE FOR IMPLEMENTING THE SAID PROCESS
DE3736193A1 (en) * 1986-10-26 1988-05-05 Ricoh Kk VOICE SIGNAL ENCODING PROCESS
EP0454552A2 (en) * 1990-04-27 1991-10-30 Thomson-Csf Method and apparatus for low bitrate speech coding
DE4103277A1 (en) * 1991-02-04 1992-08-06 Hilberg Wolfgang Encoding of place or time-dependent analogue functions - assembling successive samples with symbolic significance into quasi-words for stepwise abstraction in hierarchical associative memory

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2331207A2 (en) * 1975-11-05 1977-06-03 Ibm France BLOCK QUANTIFICATION PROCESS OF SAMPLES OF AN ELECTRIC SIGNAL, AND DEVICE FOR IMPLEMENTING THE SAID PROCESS
DE3736193A1 (en) * 1986-10-26 1988-05-05 Ricoh Kk VOICE SIGNAL ENCODING PROCESS
EP0454552A2 (en) * 1990-04-27 1991-10-30 Thomson-Csf Method and apparatus for low bitrate speech coding
DE4103277A1 (en) * 1991-02-04 1992-08-06 Hilberg Wolfgang Encoding of place or time-dependent analogue functions - assembling successive samples with symbolic significance into quasi-words for stepwise abstraction in hierarchical associative memory

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
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 (en) 1993-05-26
CA2083335A1 (en) 1993-05-23
FR2684225A1 (en) 1993-05-28

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