CH244727A - Verfahren und Einrichtung zur Übertragung von Sprachsignalen mit Frequenzraffung. - Google Patents

Verfahren und Einrichtung zur Übertragung von Sprachsignalen mit Frequenzraffung.

Info

Publication number
CH244727A
CH244727A CH244727DA CH244727A CH 244727 A CH244727 A CH 244727A CH 244727D A CH244727D A CH 244727DA CH 244727 A CH244727 A CH 244727A
Authority
CH
Switzerland
Prior art keywords
signal
frequency
original
transmission
amplitude
Prior art date
Application number
Other languages
German (de)
English (en)
Inventor
Patentverwertungs-Elektro-Hold
Original Assignee
Patelhold Patentverwertung
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 Patelhold Patentverwertung filed Critical Patelhold Patentverwertung
Publication of CH244727A publication Critical patent/CH244727A/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmitters (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
CH244727D 1944-06-01 1944-06-01 Verfahren und Einrichtung zur Übertragung von Sprachsignalen mit Frequenzraffung. CH244727A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH913084X 1944-06-01

Publications (1)

Publication Number Publication Date
CH244727A true CH244727A (de) 1946-09-30

Family

ID=4547565

Family Applications (1)

Application Number Title Priority Date Filing Date
CH244727D CH244727A (de) 1944-06-01 1944-06-01 Verfahren und Einrichtung zur Übertragung von Sprachsignalen mit Frequenzraffung.

Country Status (5)

Country Link
US (1) US2439293A (fr)
CH (1) CH244727A (fr)
DE (1) DE964876C (fr)
FR (1) FR913084A (fr)
GB (1) GB597340A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7503176A (nl) * 1975-03-18 1976-09-21 Philips Nv Overdrachtsstelsel voor gesprekssignalen.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1821004A (en) * 1929-07-02 1931-09-01 American Telephone & Telegraph Compression of frequency range
DE594976C (de) * 1932-02-27 1934-03-27 Karl Otto Schmidt Verfahren zur besseren Ausnutzung des UEbertragungsweges
DE722607C (de) * 1939-01-14 1942-07-22 Karl Otto Schmidt Dr Verfahren zur besseren Ausnutzung des UEbertragungsweges
US2151091A (en) * 1935-10-30 1939-03-21 Bell Telephone Labor Inc Signal transmission

Also Published As

Publication number Publication date
DE964876C (de) 1957-05-29
FR913084A (fr) 1946-08-28
GB597340A (en) 1948-01-23
US2439293A (en) 1948-04-06

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