EP1211671A3 - Automatic gain control with noise suppression - Google Patents

Automatic gain control with noise suppression Download PDF

Info

Publication number
EP1211671A3
EP1211671A3 EP01309636A EP01309636A EP1211671A3 EP 1211671 A3 EP1211671 A3 EP 1211671A3 EP 01309636 A EP01309636 A EP 01309636A EP 01309636 A EP01309636 A EP 01309636A EP 1211671 A3 EP1211671 A3 EP 1211671A3
Authority
EP
European Patent Office
Prior art keywords
gain control
automatic gain
noise suppression
suppression
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Withdrawn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
EP01309636A
Other languages
German (de)
French (fr)
Other versions
EP1211671A2 (en
Inventor
Alexander Goldin
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.)
Alst Innovation Technologies
Original Assignee
Alst Innovation Technologies
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 Alst Innovation Technologies filed Critical Alst Innovation Technologies
Publication of EP1211671A2 publication Critical patent/EP1211671A2/en
Publication of EP1211671A3 publication Critical patent/EP1211671A3/en
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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

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)
  • Control Of Amplification And Gain Control (AREA)
EP01309636A 2000-11-16 2001-11-15 Automatic gain control with noise suppression Withdrawn EP1211671A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US24938800P 2000-11-16 2000-11-16
US249388P 2000-11-16

Publications (2)

Publication Number Publication Date
EP1211671A2 EP1211671A2 (en) 2002-06-05
EP1211671A3 true EP1211671A3 (en) 2003-09-10

Family

ID=22943262

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01309636A Withdrawn EP1211671A3 (en) 2000-11-16 2001-11-15 Automatic gain control with noise suppression

Country Status (1)

Country Link
EP (1) EP1211671A3 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8086451B2 (en) * 2005-04-20 2011-12-27 Qnx Software Systems Co. System for improving speech intelligibility through high frequency compression
CN101986386B (en) * 2009-07-29 2012-09-26 比亚迪股份有限公司 Method and device for eliminating voice background noise
DE102011003477B4 (en) * 2011-02-01 2015-07-02 Siemens Aktiengesellschaft Method and device for filtering a signal and control device for a process
GB201401689D0 (en) * 2014-01-31 2014-03-19 Microsoft Corp Audio signal processing
KR102372188B1 (en) * 2015-05-28 2022-03-08 삼성전자주식회사 Method for cancelling noise of audio signal and electronic device thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4630305A (en) * 1985-07-01 1986-12-16 Motorola, Inc. Automatic gain selector for a noise suppression system
US4658426A (en) * 1985-10-10 1987-04-14 Harold Antin Adaptive noise suppressor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4630305A (en) * 1985-07-01 1986-12-16 Motorola, Inc. Automatic gain selector for a noise suppression system
US4658426A (en) * 1985-10-10 1987-04-14 Harold Antin Adaptive noise suppressor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
BOLL S F: "SUPPRESSION OF ACOUSTIC NOISE IN SPEECH USING SPECTRAL SUBTRACTION", IEEE TRANSACTIONS ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING, IEEE INC. NEW YORK, US, vol. ASSP-27, no. 2, 1 April 1979 (1979-04-01), pages 113 - 120, XP002072967, ISSN: 0096-3518 *

Also Published As

Publication number Publication date
EP1211671A2 (en) 2002-06-05

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