ZA741065B - System for transferring wide-band sound signals - Google Patents

System for transferring wide-band sound signals

Info

Publication number
ZA741065B
ZA741065B ZA00741065A ZA741065A ZA741065B ZA 741065 B ZA741065 B ZA 741065B ZA 00741065 A ZA00741065 A ZA 00741065A ZA 741065 A ZA741065 A ZA 741065A ZA 741065 B ZA741065 B ZA 741065B
Authority
ZA
South Africa
Prior art keywords
sound signals
band sound
transferring wide
transferring
wide
Prior art date
Application number
ZA00741065A
Inventor
G Gassmann
Original Assignee
Int Standard Electric 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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of ZA741065B publication Critical patent/ZA741065B/en

Links

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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • 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)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Noise Elimination (AREA)
ZA00741065A 1973-02-28 1974-02-19 System for transferring wide-band sound signals ZA741065B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2309987A DE2309987C2 (en) 1973-02-28 1973-02-28 System for the transmission of broadband signals

Publications (1)

Publication Number Publication Date
ZA741065B true ZA741065B (en) 1975-01-29

Family

ID=5873390

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00741065A ZA741065B (en) 1973-02-28 1974-02-19 System for transferring wide-band sound signals

Country Status (5)

Country Link
BE (1) BE811667A (en)
DD (1) DD111766A6 (en)
DE (1) DE2309987C2 (en)
HU (1) HU170580B (en)
ZA (1) ZA741065B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2605306C2 (en) * 1976-02-11 1983-09-08 Standard Elektrik Lorenz Ag, 7000 Stuttgart Method and circuit arrangement for interference-free reception of the baseband of a baseband vocoder

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE935914C (en) * 1953-08-18 1955-12-01 Nordwestdeutscher Rundfunk Ans Method for the transmission of sound events over a channel with a relatively low bandwidth
NL272809A (en) * 1960-12-27
US3431362A (en) * 1966-04-22 1969-03-04 Bell Telephone Labor Inc Voice-excited,bandwidth reduction system employing pitch frequency pulses generated by unencoded baseband signal

Also Published As

Publication number Publication date
HU170580B (en) 1977-07-28
DD111766A6 (en) 1975-03-12
DE2309987A1 (en) 1974-08-29
BE811667A (en) 1974-08-28
DE2309987C2 (en) 1982-05-13

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