ATE179827T1 - Verfahren zur veränderung eines sprachsignales mittels grundfrequenzmanipulation - Google Patents

Verfahren zur veränderung eines sprachsignales mittels grundfrequenzmanipulation

Info

Publication number
ATE179827T1
ATE179827T1 AT95938368T AT95938368T ATE179827T1 AT E179827 T1 ATE179827 T1 AT E179827T1 AT 95938368 T AT95938368 T AT 95938368T AT 95938368 T AT95938368 T AT 95938368T AT E179827 T1 ATE179827 T1 AT E179827T1
Authority
AT
Austria
Prior art keywords
signal
pct
hearing
speech signal
sec
Prior art date
Application number
AT95938368T
Other languages
English (en)
Inventor
Fleming K Fink
Uwe Hartmann
Kjeld Hermansen
Per Rubak
Original Assignee
Fleming K Fink
Uwe Hartmann
Kjeld Hermansen
Per Rubak
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 Fleming K Fink, Uwe Hartmann, Kjeld Hermansen, Per Rubak filed Critical Fleming K Fink
Application granted granted Critical
Publication of ATE179827T1 publication Critical patent/ATE179827T1/de

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
    • G10L21/0208—Noise filtering
    • 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
    • G10L21/003—Changing voice quality, e.g. pitch or formants
    • 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
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
    • 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
    • G10L21/04—Time compression or expansion
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/12—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being prediction coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Selective Calling Equipment (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Circuit For Audible Band Transducer (AREA)
AT95938368T 1994-11-25 1995-11-27 Verfahren zur veränderung eines sprachsignales mittels grundfrequenzmanipulation ATE179827T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK134794 1994-11-25

Publications (1)

Publication Number Publication Date
ATE179827T1 true ATE179827T1 (de) 1999-05-15

Family

ID=8103855

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95938368T ATE179827T1 (de) 1994-11-25 1995-11-27 Verfahren zur veränderung eines sprachsignales mittels grundfrequenzmanipulation

Country Status (8)

Country Link
US (1) US5933801A (de)
EP (1) EP0796489B1 (de)
JP (1) JPH10509256A (de)
AT (1) ATE179827T1 (de)
AU (1) AU3978595A (de)
DE (1) DE69509555T2 (de)
DK (1) DK0796489T3 (de)
WO (1) WO1996016533A2 (de)

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Also Published As

Publication number Publication date
JPH10509256A (ja) 1998-09-08
US5933801A (en) 1999-08-03
WO1996016533A2 (en) 1996-06-06
AU3978595A (en) 1996-06-19
WO1996016533A3 (en) 1996-08-08
EP0796489A2 (de) 1997-09-24
DE69509555D1 (de) 1999-06-10
EP0796489B1 (de) 1999-05-06
DK0796489T3 (da) 1999-11-01
DE69509555T2 (de) 1999-09-02

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties