AU2001241475A1 - Background noise reduction in sinusoidal based speech coding systems - Google Patents

Background noise reduction in sinusoidal based speech coding systems

Info

Publication number
AU2001241475A1
AU2001241475A1 AU2001241475A AU4147501A AU2001241475A1 AU 2001241475 A1 AU2001241475 A1 AU 2001241475A1 AU 2001241475 A AU2001241475 A AU 2001241475A AU 4147501 A AU4147501 A AU 4147501A AU 2001241475 A1 AU2001241475 A1 AU 2001241475A1
Authority
AU
Australia
Prior art keywords
noise reduction
background noise
speech coding
coding systems
based speech
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.)
Abandoned
Application number
AU2001241475A
Inventor
Suat Yeldener
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.)
Comsat Corp
Original Assignee
Comsat 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 Comsat Corp filed Critical Comsat Corp
Publication of AU2001241475A1 publication Critical patent/AU2001241475A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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
    • G10L21/0208—Noise filtering
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/04—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 predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
AU2001241475A 2000-02-11 2001-02-12 Background noise reduction in sinusoidal based speech coding systems Abandoned AU2001241475A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US18173400P 2000-02-11 2000-02-11
US60181734 2000-02-11
PCT/US2001/004526 WO2001059766A1 (en) 2000-02-11 2001-02-12 Background noise reduction in sinusoidal based speech coding systems

Publications (1)

Publication Number Publication Date
AU2001241475A1 true AU2001241475A1 (en) 2001-08-20

Family

ID=22665558

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001241475A Abandoned AU2001241475A1 (en) 2000-02-11 2001-02-12 Background noise reduction in sinusoidal based speech coding systems

Country Status (4)

Country Link
US (1) US7680653B2 (en)
AU (1) AU2001241475A1 (en)
CA (1) CA2399706C (en)
WO (1) WO2001059766A1 (en)

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Also Published As

Publication number Publication date
WO2001059766A1 (en) 2001-08-16
CA2399706C (en) 2006-01-24
US20080140395A1 (en) 2008-06-12
US7680653B2 (en) 2010-03-16
CA2399706A1 (en) 2001-08-16

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