EP1211671A3 - Commande automatique de gain avec suppression de bruit - Google Patents
Commande automatique de gain avec suppression de bruit Download PDFInfo
- 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- Withdrawn
Links
- 230000001629 suppression Effects 0.000 title 1
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
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)
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 (fr) | 2002-06-05 |
EP1211671A3 true EP1211671A3 (fr) | 2003-09-10 |
Family
ID=22943262
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01309636A Withdrawn EP1211671A3 (fr) | 2000-11-16 | 2001-11-15 | Commande automatique de gain avec suppression de bruit |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP1211671A3 (fr) |
Families Citing this family (5)
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 (zh) * | 2009-07-29 | 2012-09-26 | 比亚迪股份有限公司 | 一种语音背景噪声的消除方法和装置 |
DE102011003477B4 (de) * | 2011-02-01 | 2015-07-02 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zur Filterung eines Signals und Regeleinrichtung für einen Prozess |
GB201401689D0 (en) | 2014-01-31 | 2014-03-19 | Microsoft Corp | Audio signal processing |
KR102372188B1 (ko) * | 2015-05-28 | 2022-03-08 | 삼성전자주식회사 | 오디오 신호의 잡음을 제거하기 위한 방법 및 그 전자 장치 |
Citations (2)
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 |
-
2001
- 2001-11-15 EP EP01309636A patent/EP1211671A3/fr not_active Withdrawn
Patent Citations (2)
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)
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 (fr) | 2002-06-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
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AX | Request for extension of the european patent |
Free format text: AL;LT;LV;MK;RO;SI |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
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AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
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AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
|
AKX | Designation fees paid | ||
REG | Reference to a national code |
Ref country code: DE Ref legal event code: 8566 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20040601 |