JPS60500472A - スピ−チ信号を処理する方法及び装置 - Google Patents

スピ−チ信号を処理する方法及び装置

Info

Publication number
JPS60500472A
JPS60500472A JP84500541A JP50054184A JPS60500472A JP S60500472 A JPS60500472 A JP S60500472A JP 84500541 A JP84500541 A JP 84500541A JP 50054184 A JP50054184 A JP 50054184A JP S60500472 A JPS60500472 A JP S60500472A
Authority
JP
Japan
Prior art keywords
signal
amplitude
time period
measure
selected time
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.)
Pending
Application number
JP84500541A
Other languages
English (en)
Japanese (ja)
Inventor
ヘンリツクソン　ラリ−　キ−ス
ハンチントン　ドロシー　アリソン
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of JPS60500472A publication Critical patent/JPS60500472A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/002—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/43—Signal processing in hearing aids to enhance the speech intelligibility
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/35—Electric hearing aids using translation techniques
    • H04R25/356—Amplitude, e.g. amplitude shift or compression

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Telephonic Communication Services (AREA)
  • Electrotherapy Devices (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
JP84500541A 1983-01-03 1983-12-23 スピ−チ信号を処理する方法及び装置 Pending JPS60500472A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US45525083A 1983-01-03 1983-01-03
US455250 1983-01-03
PCT/US1983/002030 WO1984002793A1 (en) 1983-01-03 1983-12-23 Method and means for processing speech

Publications (1)

Publication Number Publication Date
JPS60500472A true JPS60500472A (ja) 1985-04-04

Family

ID=23808037

Family Applications (1)

Application Number Title Priority Date Filing Date
JP84500541A Pending JPS60500472A (ja) 1983-01-03 1983-12-23 スピ−チ信号を処理する方法及び装置

Country Status (7)

Country Link
EP (1) EP0131033A4 (da)
JP (1) JPS60500472A (da)
CA (1) CA1216525A (da)
DK (1) DK421084A (da)
FI (1) FI843388A0 (da)
NO (1) NO843506L (da)
WO (1) WO1984002793A1 (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT398669B (de) * 1991-11-13 1995-01-25 Viennatone Gmbh Verfahren zur verarbeitung von signalen
DK0887958T3 (da) 1997-06-23 2003-05-05 Liechti Ag Fremgangsmåde til komprimering af optagelser af omgivelseslyd, fremgangsmåde til detektering af programelementer deri, indretninger og computerprogram dertil
US7092877B2 (en) * 2001-07-31 2006-08-15 Turk & Turk Electric Gmbh Method for suppressing noise as well as a method for recognizing voice signals

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3509558A (en) * 1965-10-22 1970-04-28 Nasa Wide range data compression system
US4071695A (en) * 1976-08-12 1978-01-31 Bell Telephone Laboratories, Incorporated Speech signal amplitude equalizer
US4169219A (en) * 1977-03-30 1979-09-25 Beard Terry D Compander noise reduction method and apparatus
US4112254A (en) * 1977-10-17 1978-09-05 Dbx, Inc. Signal compander system
US4249042A (en) * 1979-08-06 1981-02-03 Orban Associates, Inc. Multiband cross-coupled compressor with overshoot protection circuit

Also Published As

Publication number Publication date
EP0131033A4 (en) 1985-07-01
WO1984002793A1 (en) 1984-07-19
NO843506L (no) 1984-09-03
DK421084D0 (da) 1984-09-03
FI843388L (fi) 1984-08-28
DK421084A (da) 1984-09-03
FI843388A7 (fi) 1984-08-28
EP0131033A1 (en) 1985-01-16
CA1216525A (en) 1987-01-13
FI843388A0 (fi) 1984-08-28

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