GB2341299A - Suppressing noise in a speech communications unit - Google Patents

Suppressing noise in a speech communications unit Download PDF

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Publication number
GB2341299A
GB2341299A GB9819224A GB9819224A GB2341299A GB 2341299 A GB2341299 A GB 2341299A GB 9819224 A GB9819224 A GB 9819224A GB 9819224 A GB9819224 A GB 9819224A GB 2341299 A GB2341299 A GB 2341299A
Authority
GB
United Kingdom
Prior art keywords
noise
speech
signal
periodic
gaussian noise
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.)
Withdrawn
Application number
GB9819224A
Other languages
English (en)
Other versions
GB9819224D0 (en
Inventor
Dominic Sai Fan Chan
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 UK Ltd
Original Assignee
Motorola Ltd
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 Ltd filed Critical Motorola Ltd
Priority to GB9819224A priority Critical patent/GB2341299A/en
Publication of GB9819224D0 publication Critical patent/GB9819224D0/en
Priority to EP99117227A priority patent/EP0984433A2/fr
Publication of GB2341299A publication Critical patent/GB2341299A/en
Withdrawn legal-status Critical Current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
    • G10L21/0216—Noise filtering characterised by the method used for estimating 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
    • 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
    • G10L2021/02085—Periodic 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)
GB9819224A 1998-09-04 1998-09-04 Suppressing noise in a speech communications unit Withdrawn GB2341299A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9819224A GB2341299A (en) 1998-09-04 1998-09-04 Suppressing noise in a speech communications unit
EP99117227A EP0984433A2 (fr) 1998-09-04 1999-09-02 Suppression de bruit dans une unité de communication vocale et méthode d'opération

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9819224A GB2341299A (en) 1998-09-04 1998-09-04 Suppressing noise in a speech communications unit

Publications (2)

Publication Number Publication Date
GB9819224D0 GB9819224D0 (en) 1998-10-28
GB2341299A true GB2341299A (en) 2000-03-08

Family

ID=10838292

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9819224A Withdrawn GB2341299A (en) 1998-09-04 1998-09-04 Suppressing noise in a speech communications unit

Country Status (2)

Country Link
EP (1) EP0984433A2 (fr)
GB (1) GB2341299A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2350989A (en) * 1999-03-12 2000-12-13 Fulcrum Systems Ltd Reducing background-noise from a siren
US20150255085A1 (en) * 2014-03-07 2015-09-10 JVC Kenwood Corporation Noise reduction device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109767781A (zh) * 2019-03-06 2019-05-17 哈尔滨工业大学（深圳） 基于超高斯先验语音模型与深度学习的语音分离方法、系统及存储介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4932063A (en) * 1987-11-01 1990-06-05 Ricoh Company, Ltd. Noise suppression apparatus
WO1997034290A1 (fr) * 1996-03-13 1997-09-18 Ericsson Inc. Circuit de suppression de bruit et procede associe de suppression de composantes recurrentes d'interference d'un signal de telecommunications
US5742927A (en) * 1993-02-12 1998-04-21 British Telecommunications Public Limited Company Noise reduction apparatus using spectral subtraction or scaling and signal attenuation between formant regions

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4932063A (en) * 1987-11-01 1990-06-05 Ricoh Company, Ltd. Noise suppression apparatus
US5742927A (en) * 1993-02-12 1998-04-21 British Telecommunications Public Limited Company Noise reduction apparatus using spectral subtraction or scaling and signal attenuation between formant regions
WO1997034290A1 (fr) * 1996-03-13 1997-09-18 Ericsson Inc. Circuit de suppression de bruit et procede associe de suppression de composantes recurrentes d'interference d'un signal de telecommunications

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2350989A (en) * 1999-03-12 2000-12-13 Fulcrum Systems Ltd Reducing background-noise from a siren
GB2350989B (en) * 1999-03-12 2001-04-25 Fulcrum Systems Ltd Background-noise reduction
US20150255085A1 (en) * 2014-03-07 2015-09-10 JVC Kenwood Corporation Noise reduction device
US9384756B2 (en) * 2014-03-07 2016-07-05 JVC Kenwood Corporation Cyclic noise reduction for targeted frequency bands

Also Published As

Publication number Publication date
EP0984433A2 (fr) 2000-03-08
GB9819224D0 (en) 1998-10-28

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)