FI872450A0 - Puheprosessori ja soluradiopääte - Google Patents

Puheprosessori ja soluradiopääte

Info

Publication number
FI872450A0
FI872450A0 FI872450A FI872450A FI872450A0 FI 872450 A0 FI872450 A0 FI 872450A0 FI 872450 A FI872450 A FI 872450A FI 872450 A FI872450 A FI 872450A FI 872450 A0 FI872450 A0 FI 872450A0
Authority
FI
Finland
Prior art keywords
speech
template
radio terminal
cellular radio
speech processor
Prior art date
Application number
FI872450A
Other languages
English (en)
Swedish (sv)
Other versions
FI92113C (fi
FI92113B (fi
FI872450A (fi
Inventor
Nicholas John Arnold Forse
Original Assignee
British Telecomm
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 British Telecomm filed Critical British Telecomm
Publication of FI872450A0 publication Critical patent/FI872450A0/fi
Publication of FI872450A publication Critical patent/FI872450A/fi
Application granted granted Critical
Publication of FI92113B publication Critical patent/FI92113B/fi
Publication of FI92113C publication Critical patent/FI92113C/fi

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
    • G10L15/00—Speech recognition
    • G10L15/28—Constructional details of speech recognition systems
    • 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
    • G10L15/00—Speech recognition
    • G10L15/20—Speech recognition techniques specially adapted for robustness in adverse environments, e.g. in noise, of stress induced speech
    • 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
    • G10L15/00—Speech recognition
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • 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
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L2021/02168—Noise filtering characterised by the method used for estimating noise the estimation exclusively taking place during speech pauses
    • 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
    • G10L25/18—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 spectral information of each sub-band

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Noise Elimination (AREA)
  • Telephonic Communication Services (AREA)
  • Circuits Of Receivers In General (AREA)
  • Facsimiles In General (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Machine Translation (AREA)
  • Analogue/Digital Conversion (AREA)
  • Display Devices Of Pinball Game Machines (AREA)
  • Telephone Function (AREA)
  • Multi-Process Working Machines And Systems (AREA)
  • Sewing Machines And Sewing (AREA)
FI872450A 1986-06-02 1987-06-02 Puheprosessori ja soluradiopääte FI92113C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8613327 1986-06-02
GB868613327A GB8613327D0 (en) 1986-06-02 1986-06-02 Speech processor

Publications (4)

Publication Number Publication Date
FI872450A0 true FI872450A0 (fi) 1987-06-02
FI872450A FI872450A (fi) 1987-12-03
FI92113B FI92113B (fi) 1994-06-15
FI92113C FI92113C (fi) 1994-09-26

Family

ID=10598774

Family Applications (1)

Application Number Title Priority Date Filing Date
FI872450A FI92113C (fi) 1986-06-02 1987-06-02 Puheprosessori ja soluradiopääte

Country Status (13)

Country Link
US (1) US4912766A (fi)
EP (2) EP0750291B1 (fi)
JP (3) JP2561850B2 (fi)
KR (1) KR950011963B1 (fi)
AT (2) ATE109582T1 (fi)
CA (1) CA1310418C (fi)
DE (2) DE3750314T2 (fi)
DK (1) DK171426B1 (fi)
ES (1) ES2056819T3 (fi)
FI (1) FI92113C (fi)
GB (1) GB8613327D0 (fi)
HK (1) HK137096A (fi)
WO (1) WO1987007750A1 (fi)

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US7155385B2 (en) 2002-05-16 2006-12-26 Comerica Bank, As Administrative Agent Automatic gain control for adjusting gain during non-speech portions
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US8073689B2 (en) 2003-02-21 2011-12-06 Qnx Software Systems Co. Repetitive transient noise removal
US7895036B2 (en) 2003-02-21 2011-02-22 Qnx Software Systems Co. System for suppressing wind noise
US7949522B2 (en) 2003-02-21 2011-05-24 Qnx Software Systems Co. System for suppressing rain noise
US7885420B2 (en) 2003-02-21 2011-02-08 Qnx Software Systems Co. Wind noise suppression system
US8326621B2 (en) 2003-02-21 2012-12-04 Qnx Software Systems Limited Repetitive transient noise removal
US7725315B2 (en) 2003-02-21 2010-05-25 Qnx Software Systems (Wavemakers), Inc. Minimization of transient noises in a voice signal
AU2003901539A0 (en) * 2003-03-28 2003-05-01 Cochlear Limited Noise floor estimator
US7716046B2 (en) 2004-10-26 2010-05-11 Qnx Software Systems (Wavemakers), Inc. Advanced periodic signal enhancement
US7680652B2 (en) 2004-10-26 2010-03-16 Qnx Software Systems (Wavemakers), Inc. Periodic signal enhancement system
US8170879B2 (en) 2004-10-26 2012-05-01 Qnx Software Systems Limited Periodic signal enhancement system
US7949520B2 (en) 2004-10-26 2011-05-24 QNX Software Sytems Co. Adaptive filter pitch extraction
US8306821B2 (en) 2004-10-26 2012-11-06 Qnx Software Systems Limited Sub-band periodic signal enhancement system
US8543390B2 (en) 2004-10-26 2013-09-24 Qnx Software Systems Limited Multi-channel periodic signal enhancement system
US8284947B2 (en) 2004-12-01 2012-10-09 Qnx Software Systems Limited Reverberation estimation and suppression system
US20060146652A1 (en) * 2005-01-03 2006-07-06 Sdi Technologies, Inc. Sunset timer
US8027833B2 (en) 2005-05-09 2011-09-27 Qnx Software Systems Co. System for suppressing passing tire hiss
US8170875B2 (en) 2005-06-15 2012-05-01 Qnx Software Systems Limited Speech end-pointer
US8311819B2 (en) 2005-06-15 2012-11-13 Qnx Software Systems Limited System for detecting speech with background voice estimates and noise estimates
US7117075B1 (en) * 2005-08-15 2006-10-03 Report On Board Llc Driver activity and vehicle operation logging and reporting
US7995713B2 (en) * 2006-04-03 2011-08-09 Agere Systems Inc. Voice-identification-based signal processing for multiple-talker applications
US7844453B2 (en) 2006-05-12 2010-11-30 Qnx Software Systems Co. Robust noise estimation
US8326620B2 (en) 2008-04-30 2012-12-04 Qnx Software Systems Limited Robust downlink speech and noise detector
US8335685B2 (en) 2006-12-22 2012-12-18 Qnx Software Systems Limited Ambient noise compensation system robust to high excitation noise
US8850154B2 (en) 2007-09-11 2014-09-30 2236008 Ontario Inc. Processing system having memory partitioning
US8904400B2 (en) 2007-09-11 2014-12-02 2236008 Ontario Inc. Processing system having a partitioning component for resource partitioning
US8694310B2 (en) 2007-09-17 2014-04-08 Qnx Software Systems Limited Remote control server protocol system
US8209514B2 (en) 2008-02-04 2012-06-26 Qnx Software Systems Limited Media processing system having resource partitioning
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Also Published As

Publication number Publication date
CA1310418C (en) 1992-11-17
DE3752288D1 (de) 1999-09-09
ES2056819T3 (es) 1994-10-16
HK137096A (en) 1996-08-02
JPH0677894A (ja) 1994-03-18
KR950011963B1 (ko) 1995-10-12
JP2654503B2 (ja) 1997-09-17
DE3752288T2 (de) 2000-07-06
DK282587A (da) 1987-12-03
EP0750291B1 (en) 1999-08-04
ATE183009T1 (de) 1999-08-15
ATE109582T1 (de) 1994-08-15
US4912766A (en) 1990-03-27
DE3750314T2 (de) 1994-11-17
FI92113C (fi) 1994-09-26
WO1987007750A1 (en) 1987-12-17
DE3750314D1 (de) 1994-09-08
DK282587D0 (da) 1987-06-02
KR880701435A (ko) 1988-07-27
EP0248609A1 (en) 1987-12-09
FI92113B (fi) 1994-06-15
DK171426B1 (da) 1996-10-21
EP0248609B1 (en) 1994-08-03
JPS63503487A (ja) 1988-12-15
GB8613327D0 (en) 1986-07-09
EP0750291A1 (en) 1996-12-27
FI872450A (fi) 1987-12-03
JP2561850B2 (ja) 1996-12-11
JPH09325790A (ja) 1997-12-16

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Legal Events

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MM Patent lapsed

Owner name: BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY