FI118195B - Puheaktiivisuuden ilmaisin - Google Patents

Puheaktiivisuuden ilmaisin Download PDF

Info

Publication number
FI118195B
FI118195B FI961158A FI961158A FI118195B FI 118195 B FI118195 B FI 118195B FI 961158 A FI961158 A FI 961158A FI 961158 A FI961158 A FI 961158A FI 118195 B FI118195 B FI 118195B
Authority
FI
Finland
Prior art keywords
gain
input signal
speech activity
speech
devices
Prior art date
Application number
FI961158A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI961158A0 (fi
FI961158A (fi
Inventor
Paul Alexander Barrett
Original Assignee
Lg Electronics Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27235491&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI118195(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from GB939324967A external-priority patent/GB9324967D0/en
Priority claimed from GB9412451A external-priority patent/GB9412451D0/en
Application filed by Lg Electronics Inc filed Critical Lg Electronics Inc
Publication of FI961158A0 publication Critical patent/FI961158A0/fi
Publication of FI961158A publication Critical patent/FI961158A/fi
Application granted granted Critical
Publication of FI118195B publication Critical patent/FI118195B/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/46—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies comprising means for distinguishing between a signalling current of predetermined frequency and a complex current containing that frequency, e.g. speech current
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations

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)
  • Computer Networks & Wireless Communication (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Telephone Function (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Radio Relay Systems (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Electromechanical Clocks (AREA)
  • Cosmetics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Measuring Fluid Pressure (AREA)
  • Burglar Alarm Systems (AREA)
FI961158A 1993-09-14 1996-03-13 Puheaktiivisuuden ilmaisin FI118195B (fi)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
EP93307211 1993-09-14
EP93307211 1993-09-14
GB9324967 1993-12-06
GB939324967A GB9324967D0 (en) 1993-12-06 1993-12-06 Voice activity detector
GB9412451A GB9412451D0 (en) 1994-06-21 1994-06-21 Voice activity detector
GB9412451 1994-06-21
PCT/GB1994/001999 WO1995008170A1 (en) 1993-09-14 1994-09-14 Voice activity detector
GB9401999 1994-09-14

Publications (3)

Publication Number Publication Date
FI961158A0 FI961158A0 (fi) 1996-03-13
FI961158A FI961158A (fi) 1996-03-13
FI118195B true FI118195B (fi) 2007-08-15

Family

ID=27235491

Family Applications (1)

Application Number Title Priority Date Filing Date
FI961158A FI118195B (fi) 1993-09-14 1996-03-13 Puheaktiivisuuden ilmaisin

Country Status (23)

Country Link
US (2) US5749067A (el)
EP (1) EP0719439B1 (el)
JP (1) JP3224132B2 (el)
KR (1) KR100363309B1 (el)
CN (1) CN1064772C (el)
AT (1) ATE182420T1 (el)
BR (1) BR9407535A (el)
CA (1) CA2169745C (el)
CZ (1) CZ286743B6 (el)
DE (1) DE69419615T2 (el)
DK (1) DK0719439T3 (el)
ES (1) ES2136204T3 (el)
FI (1) FI118195B (el)
GR (1) GR3031515T3 (el)
HK (1) HK1014392A1 (el)
HU (1) HU219994B (el)
IN (1) IN184794B (el)
MY (1) MY111134A (el)
NO (1) NO307979B1 (el)
NZ (1) NZ273045A (el)
SG (1) SG48935A1 (el)
SK (1) SK281796B6 (el)
WO (1) WO1995008170A1 (el)

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* Cited by examiner, † Cited by third party
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US6531982B1 (en) 1997-09-30 2003-03-11 Sirf Technology, Inc. Field unit for use in a GPS system
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Also Published As

Publication number Publication date
CA2169745A1 (en) 1995-03-23
CZ67896A3 (en) 1996-07-17
SG48935A1 (en) 1998-05-18
CN1064772C (zh) 2001-04-18
WO1995008170A1 (en) 1995-03-23
EP0719439A1 (en) 1996-07-03
IN184794B (el) 2000-09-30
SK281796B6 (sk) 2001-08-06
US5749067A (en) 1998-05-05
NO961032D0 (no) 1996-03-13
JPH09502814A (ja) 1997-03-18
DE69419615T2 (de) 2000-05-25
FI961158A0 (fi) 1996-03-13
US6061647A (en) 2000-05-09
NO307979B1 (no) 2000-06-26
HUT73986A (en) 1996-10-28
DK0719439T3 (da) 2000-02-07
CN1130952A (zh) 1996-09-11
ATE182420T1 (de) 1999-08-15
HU9600641D0 (en) 1996-05-28
GR3031515T3 (en) 2000-01-31
DE69419615D1 (de) 1999-08-26
SK31896A3 (en) 1997-03-05
AU673776B2 (en) 1996-11-21
HK1014392A1 (en) 1999-09-24
MY111134A (en) 1999-08-30
JP3224132B2 (ja) 2001-10-29
ES2136204T3 (es) 1999-11-16
NZ273045A (en) 1996-11-26
NO961032L (no) 1996-03-13
CA2169745C (en) 2000-05-16
BR9407535A (pt) 1997-08-26
EP0719439B1 (en) 1999-07-21
KR100363309B1 (ko) 2003-02-17
CZ286743B6 (en) 2000-06-14
HU219994B (hu) 2001-10-28
FI961158A (fi) 1996-03-13
AU7619894A (en) 1995-04-03
KR960705303A (ko) 1996-10-09

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