ATE343196T1 - VOICE ACTIVITY DETECTION USING COMPRESSED VOICE SIGNAL PARAMETERS - Google Patents

VOICE ACTIVITY DETECTION USING COMPRESSED VOICE SIGNAL PARAMETERS

Info

Publication number
ATE343196T1
ATE343196T1 AT04425031T AT04425031T ATE343196T1 AT E343196 T1 ATE343196 T1 AT E343196T1 AT 04425031 T AT04425031 T AT 04425031T AT 04425031 T AT04425031 T AT 04425031T AT E343196 T1 ATE343196 T1 AT E343196T1
Authority
AT
Austria
Prior art keywords
voice
vad
activity detection
analysis
signal parameters
Prior art date
Application number
AT04425031T
Other languages
German (de)
Inventor
Matteo Aldrovandi
Original Assignee
Siemens Spa Italiana
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 Siemens Spa Italiana filed Critical Siemens Spa Italiana
Application granted granted Critical
Publication of ATE343196T1 publication Critical patent/ATE343196T1/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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Alarm Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Spectrometry And Color Measurement (AREA)

Abstract

There is provided a voice activity detector (VAD) (40) for assisting the voice quality enhancement in the uplink direction of a mobile communication system in which the voice quality enhancement means (50) are embodied in the transcoding and rate adapting unit (TRAU) (2). The VAD (40) comprises means (41, 42) for performing both a spectral analysis and an energetic analysis on a received speech signal and means (43, 45) for processing the results of said analysis and taking a decision on audio segment nature. The VAD performs spectral analysis directly on the coded signal. <IMAGE>
AT04425031T 2004-01-22 2004-01-22 VOICE ACTIVITY DETECTION USING COMPRESSED VOICE SIGNAL PARAMETERS ATE343196T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04425031A EP1557820B1 (en) 2004-01-22 2004-01-22 Voice activity detection operating with compressed speech signal parameters

Publications (1)

Publication Number Publication Date
ATE343196T1 true ATE343196T1 (en) 2006-11-15

Family

ID=34626566

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04425031T ATE343196T1 (en) 2004-01-22 2004-01-22 VOICE ACTIVITY DETECTION USING COMPRESSED VOICE SIGNAL PARAMETERS

Country Status (3)

Country Link
EP (1) EP1557820B1 (en)
AT (1) ATE343196T1 (en)
DE (1) DE602004002845T2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9972334B2 (en) * 2015-09-10 2018-05-15 Qualcomm Incorporated Decoder audio classification
CN107331393B (en) * 2017-08-15 2020-05-12 成都启英泰伦科技有限公司 Self-adaptive voice activity detection method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3685812B2 (en) * 1993-06-29 2005-08-24 ソニー株式会社 Audio signal transmitter / receiver
SE501981C2 (en) * 1993-11-02 1995-07-03 Ericsson Telefon Ab L M Method and apparatus for discriminating between stationary and non-stationary signals
US5657422A (en) * 1994-01-28 1997-08-12 Lucent Technologies Inc. Voice activity detection driven noise remediator

Also Published As

Publication number Publication date
EP1557820B1 (en) 2006-10-18
EP1557820A1 (en) 2005-07-27
DE602004002845T2 (en) 2007-06-06
DE602004002845D1 (en) 2006-11-30

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Legal Events

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