CA986024A - System for transferring wideband sound signals - Google Patents

System for transferring wideband sound signals

Info

Publication number
CA986024A
CA986024A CA183,135A CA183135A CA986024A CA 986024 A CA986024 A CA 986024A CA 183135 A CA183135 A CA 183135A CA 986024 A CA986024 A CA 986024A
Authority
CA
Canada
Prior art keywords
sound signals
wideband sound
transferring
transferring wideband
signals
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
CA183,135A
Other versions
CA183135S (en
Inventor
Gerhard-Gunter Gassmann
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 Standard Electric Corp
Original Assignee
International 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of CA986024A publication Critical patent/CA986024A/en
Expired legal-status Critical Current

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)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
CA183,135A 1972-10-12 1973-10-11 System for transferring wideband sound signals Expired CA986024A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722250094 DE2250094A1 (en) 1972-10-12 1972-10-12 TRANSMISSION SYSTEM FOR TRANSMISSION OF BROADBAND SOUND SIGNALS

Publications (1)

Publication Number Publication Date
CA986024A true CA986024A (en) 1976-03-23

Family

ID=5858860

Family Applications (1)

Application Number Title Priority Date Filing Date
CA183,135A Expired CA986024A (en) 1972-10-12 1973-10-11 System for transferring wideband sound signals

Country Status (2)

Country Link
CA (1) CA986024A (en)
DE (1) DE2250094A1 (en)

Also Published As

Publication number Publication date
DE2250094A1 (en) 1974-05-02

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