FR1506261A - Method and device for controlling dynamic range in voice encoder systems - Google Patents

Method and device for controlling dynamic range in voice encoder systems

Info

Publication number
FR1506261A
FR1506261A FR11896A FR11896A FR1506261A FR 1506261 A FR1506261 A FR 1506261A FR 11896 A FR11896 A FR 11896A FR 11896 A FR11896 A FR 11896A FR 1506261 A FR1506261 A FR 1506261A
Authority
FR
France
Prior art keywords
dynamic range
voice encoder
encoder systems
controlling dynamic
controlling
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
Application number
FR11896A
Other languages
French (fr)
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of FR1506261A publication Critical patent/FR1506261A/en
Expired legal-status Critical Current

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
    • H04B1/62—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 providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • H04B1/64—Volume compression or expansion arrangements
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
FR11896A 1964-04-06 1965-04-05 Method and device for controlling dynamic range in voice encoder systems Expired FR1506261A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEJ25598A DE1216373B (en) 1964-04-06 1964-04-06 Method and arrangement for dynamics control in vocoder systems

Publications (1)

Publication Number Publication Date
FR1506261A true FR1506261A (en) 1967-12-22

Family

ID=7202294

Family Applications (1)

Application Number Title Priority Date Filing Date
FR11896A Expired FR1506261A (en) 1964-04-06 1965-04-05 Method and device for controlling dynamic range in voice encoder systems

Country Status (4)

Country Link
DE (1) DE1216373B (en)
FR (1) FR1506261A (en)
GB (1) GB1032718A (en)
SE (1) SE316809B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0104313A1 (en) * 1982-09-28 1984-04-04 Robert Bosch Gmbh Method and apparatus for narrow band voice transmission

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD105697A5 (en) * 1972-02-24 1974-05-05

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1122581B (en) * 1960-11-30 1962-01-25 Telefunken Patent Method and circuit arrangement for the approximate simulation of the short-term spectra of speech signals transmitted according to the vocoder method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0104313A1 (en) * 1982-09-28 1984-04-04 Robert Bosch Gmbh Method and apparatus for narrow band voice transmission

Also Published As

Publication number Publication date
SE316809B (en) 1969-11-03
DE1216373B (en) 1966-05-12
GB1032718A (en) 1966-06-15

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