CN1160698C - 噪声信号中语音的端点定位 - Google Patents

噪声信号中语音的端点定位 Download PDF

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Publication number
CN1160698C
CN1160698C CNB008035466A CN00803546A CN1160698C CN 1160698 C CN1160698 C CN 1160698C CN B008035466 A CNB008035466 A CN B008035466A CN 00803546 A CN00803546 A CN 00803546A CN 1160698 C CN1160698 C CN 1160698C
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China
Prior art keywords
pronunciation
snr
threshold value
threshold
starting point
Prior art date
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Expired - Fee Related
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CNB008035466A
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English (en)
Chinese (zh)
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CN1354870A (zh
Inventor
毕宁
���ſ�����޹�˾
张承纯
A·P·德雅科
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Qualcomm Inc
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Qualcomm Inc
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Publication of CN1354870A publication Critical patent/CN1354870A/zh
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    • 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
    • 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
    • G10L25/87—Detection of discrete points within a voice signal
    • 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
    • G10L25/84—Detection of presence or absence of voice signals for discriminating voice from noise
    • 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
    • G10L2025/783—Detection of presence or absence of voice signals based on threshold decision
    • G10L2025/786—Adaptive threshold

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Telephonic Communication Services (AREA)
  • Telephone Function (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Machine Translation (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Noise Elimination (AREA)
CNB008035466A 1999-02-08 2000-02-08 噪声信号中语音的端点定位 Expired - Fee Related CN1160698C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/246,414 US6324509B1 (en) 1999-02-08 1999-02-08 Method and apparatus for accurate endpointing of speech in the presence of noise
US09/246,414 1999-02-08

Publications (2)

Publication Number Publication Date
CN1354870A CN1354870A (zh) 2002-06-19
CN1160698C true CN1160698C (zh) 2004-08-04

Family

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CNB008035466A Expired - Fee Related CN1160698C (zh) 1999-02-08 2000-02-08 噪声信号中语音的端点定位

Country Status (11)

Country Link
US (1) US6324509B1 (enExample)
EP (1) EP1159732B1 (enExample)
JP (1) JP2003524794A (enExample)
KR (1) KR100719650B1 (enExample)
CN (1) CN1160698C (enExample)
AT (1) ATE311008T1 (enExample)
AU (1) AU2875200A (enExample)
DE (1) DE60024236T2 (enExample)
ES (1) ES2255982T3 (enExample)
HK (1) HK1044404B (enExample)
WO (1) WO2000046790A1 (enExample)

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Also Published As

Publication number Publication date
WO2000046790A1 (en) 2000-08-10
JP2003524794A (ja) 2003-08-19
AU2875200A (en) 2000-08-25
EP1159732A1 (en) 2001-12-05
ATE311008T1 (de) 2005-12-15
DE60024236D1 (de) 2005-12-29
HK1044404B (zh) 2005-04-22
DE60024236T2 (de) 2006-08-17
KR100719650B1 (ko) 2007-05-17
ES2255982T3 (es) 2006-07-16
KR20010093334A (ko) 2001-10-27
CN1354870A (zh) 2002-06-19
US6324509B1 (en) 2001-11-27
EP1159732B1 (en) 2005-11-23
HK1044404A1 (en) 2002-10-18

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