AT264602B - Schaltungsanordnung zur Verringerung des Informationsflusses in Kanalvocodersystemen - Google Patents

Schaltungsanordnung zur Verringerung des Informationsflusses in Kanalvocodersystemen

Info

Publication number
AT264602B
AT264602B AT779166A AT779166A AT264602B AT 264602 B AT264602 B AT 264602B AT 779166 A AT779166 A AT 779166A AT 779166 A AT779166 A AT 779166A AT 264602 B AT264602 B AT 264602B
Authority
AT
Austria
Prior art keywords
reducing
information
flow
circuit arrangement
channel vocoder
Prior art date
Application number
AT779166A
Other languages
English (en)
Original Assignee
Ibm Oesterreich Internationale
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 Ibm Oesterreich Internationale filed Critical Ibm Oesterreich Internationale
Priority to AT779166A priority Critical patent/AT264602B/de
Priority to FR8588A priority patent/FR1529399A/fr
Priority to DE1967I0034189 priority patent/DE1292203B/de
Priority to GB3632667A priority patent/GB1192215A/en
Application granted granted Critical
Publication of AT264602B publication Critical patent/AT264602B/de

Links

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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (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)
  • Time-Division Multiplex Systems (AREA)
AT779166A 1966-08-16 1966-08-16 Schaltungsanordnung zur Verringerung des Informationsflusses in Kanalvocodersystemen AT264602B (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT779166A AT264602B (de) 1966-08-16 1966-08-16 Schaltungsanordnung zur Verringerung des Informationsflusses in Kanalvocodersystemen
FR8588A FR1529399A (fr) 1966-08-16 1967-06-22 Montage de circuits pour réduire la circulation des informations dans les canaux des systèmes d'analyse de la voix
DE1967I0034189 DE1292203B (de) 1966-08-16 1967-07-19 Schaltungsanordnung zur Verringerung des Informationsflusses in Kanalvocodersystemen
GB3632667A GB1192215A (en) 1966-08-16 1967-08-08 Data Transmission Apparatus.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT779166A AT264602B (de) 1966-08-16 1966-08-16 Schaltungsanordnung zur Verringerung des Informationsflusses in Kanalvocodersystemen

Publications (1)

Publication Number Publication Date
AT264602B true AT264602B (de) 1968-09-10

Family

ID=3599502

Family Applications (1)

Application Number Title Priority Date Filing Date
AT779166A AT264602B (de) 1966-08-16 1966-08-16 Schaltungsanordnung zur Verringerung des Informationsflusses in Kanalvocodersystemen

Country Status (4)

Country Link
AT (1) AT264602B (de)
DE (1) DE1292203B (de)
FR (1) FR1529399A (de)
GB (1) GB1192215A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3851887T2 (de) * 1988-07-18 1995-04-20 Ibm Verfahren und Einrichtung zur Sprachkodierung mit niedriger Bitrate.

Also Published As

Publication number Publication date
DE1292203B (de) 1969-04-10
GB1192215A (en) 1970-05-20
FR1529399A (fr) 1968-06-14

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