GB2573380B - Method and apparatus for acoustic echo suppression - Google Patents
Method and apparatus for acoustic echo suppression Download PDFInfo
- Publication number
- GB2573380B GB2573380B GB1902631.9A GB201902631A GB2573380B GB 2573380 B GB2573380 B GB 2573380B GB 201902631 A GB201902631 A GB 201902631A GB 2573380 B GB2573380 B GB 2573380B
- Authority
- GB
- United Kingdom
- Prior art keywords
- acoustic echo
- echo suppression
- suppression
- acoustic
- echo
- 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.)
- Active
Links
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
- H04M9/082—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using echo cancellers
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
-
- 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
- G10L2021/02082—Noise filtering the noise being echo, reverberation of the speech
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computational Linguistics (AREA)
- Quality & Reliability (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201862637494P | 2018-03-02 | 2018-03-02 | |
US16/185,217 US10566008B2 (en) | 2018-03-02 | 2018-11-09 | Method and apparatus for acoustic echo suppression |
Publications (3)
Publication Number | Publication Date |
---|---|
GB201902631D0 GB201902631D0 (en) | 2019-04-10 |
GB2573380A GB2573380A (en) | 2019-11-06 |
GB2573380B true GB2573380B (en) | 2021-12-01 |
Family
ID=65998908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1902631.9A Active GB2573380B (en) | 2018-03-02 | 2019-02-27 | Method and apparatus for acoustic echo suppression |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2573380B (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130332157A1 (en) * | 2012-06-08 | 2013-12-12 | Apple Inc. | Audio noise estimation and audio noise reduction using multiple microphones |
-
2019
- 2019-02-27 GB GB1902631.9A patent/GB2573380B/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130332157A1 (en) * | 2012-06-08 | 2013-12-12 | Apple Inc. | Audio noise estimation and audio noise reduction using multiple microphones |
Also Published As
Publication number | Publication date |
---|---|
GB201902631D0 (en) | 2019-04-10 |
GB2573380A (en) | 2019-11-06 |
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