GB2375027B - Processing speech signals - Google Patents

Processing speech signals

Info

Publication number
GB2375027B
GB2375027B GB0110064A GB0110064A GB2375027B GB 2375027 B GB2375027 B GB 2375027B GB 0110064 A GB0110064 A GB 0110064A GB 0110064 A GB0110064 A GB 0110064A GB 2375027 B GB2375027 B GB 2375027B
Authority
GB
United Kingdom
Prior art keywords
speech signals
processing speech
processing
signals
speech
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
GB0110064A
Other versions
GB2375027A (en
GB0110064D0 (en
Inventor
Douglas Ralph Ealey
Holly Louise Kelleher
David John Benjamin Pearce
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Inc
Original Assignee
Motorola 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
Application filed by Motorola Inc filed Critical Motorola Inc
Priority to GB0110064A priority Critical patent/GB2375027B/en
Publication of GB0110064D0 publication Critical patent/GB0110064D0/en
Priority to PCT/EP2002/003718 priority patent/WO2002086868A2/en
Publication of GB2375027A publication Critical patent/GB2375027A/en
Application granted granted Critical
Publication of GB2375027B publication Critical patent/GB2375027B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G10L21/02—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (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)
  • Noise Elimination (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
GB0110064A 2001-04-24 2001-04-24 Processing speech signals Expired - Fee Related GB2375027B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0110064A GB2375027B (en) 2001-04-24 2001-04-24 Processing speech signals
PCT/EP2002/003718 WO2002086868A2 (en) 2001-04-24 2002-03-29 Processing speech signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0110064A GB2375027B (en) 2001-04-24 2001-04-24 Processing speech signals

Publications (3)

Publication Number Publication Date
GB0110064D0 GB0110064D0 (en) 2001-06-13
GB2375027A GB2375027A (en) 2002-10-30
GB2375027B true GB2375027B (en) 2003-05-28

Family

ID=9913380

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0110064A Expired - Fee Related GB2375027B (en) 2001-04-24 2001-04-24 Processing speech signals

Country Status (2)

Country Link
GB (1) GB2375027B (en)
WO (1) WO2002086868A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9297731B2 (en) * 2010-04-06 2016-03-29 Varel Europe S.A.S Acoustic emission toughness testing for PDC, PCBN, or other hard or superhard material inserts
US9086348B2 (en) 2010-04-06 2015-07-21 Varel Europe S.A.S. Downhole acoustic emission formation sampling
US9249059B2 (en) 2012-04-05 2016-02-02 Varel International Ind., L.P. High temperature high heating rate treatment of PDC cutters

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5621850A (en) * 1990-05-28 1997-04-15 Matsushita Electric Industrial Co., Ltd. Speech signal processing apparatus for cutting out a speech signal from a noisy speech signal
JPH09258791A (en) * 1996-03-25 1997-10-03 Atr Ningen Joho Tsushin Kenkyusho:Kk Noise suppressing device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002515610A (en) * 1998-05-11 2002-05-28 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Speech coding based on determination of noise contribution from phase change
DE69907967T2 (en) * 1998-12-18 2004-03-11 Telefonaktiebolaget L M Ericsson (Publ) NOISE REDUCTION IN A MOBILE COMMUNICATION SYSTEM

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5621850A (en) * 1990-05-28 1997-04-15 Matsushita Electric Industrial Co., Ltd. Speech signal processing apparatus for cutting out a speech signal from a noisy speech signal
JPH09258791A (en) * 1996-03-25 1997-10-03 Atr Ningen Joho Tsushin Kenkyusho:Kk Noise suppressing device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
S. DUPONT AND C RIS; "ASSESSING LOCAL NOISE LEVEL ESTIMATIONMETHODS" PUBLISHED 1999. *

Also Published As

Publication number Publication date
GB2375027A (en) 2002-10-30
GB0110064D0 (en) 2001-06-13
WO2002086868A2 (en) 2002-10-31
WO2002086868A3 (en) 2003-05-01

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20080424