CN105491256B - A kind of acoustic echo canceller startup stage steady step length regulating method - Google Patents
A kind of acoustic echo canceller startup stage steady step length regulating method Download PDFInfo
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- CN105491256B CN105491256B CN201510915783.0A CN201510915783A CN105491256B CN 105491256 B CN105491256 B CN 105491256B CN 201510915783 A CN201510915783 A CN 201510915783A CN 105491256 B CN105491256 B CN 105491256B
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000001105 regulatory effect Effects 0.000 title abstract 2
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 125000000205 L-threonino group Chemical group [H]OC(=O)[C@@]([H])(N([H])[*])[C@](C([H])([H])[H])([H])O[H] 0.000 claims description 9
- 238000005070 sampling Methods 0.000 claims description 5
- 238000004364 calculation method Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 abstract description 4
- 230000011664 signaling Effects 0.000 abstract 3
- 230000002950 deficient Effects 0.000 abstract 1
- 230000009977 dual effect Effects 0.000 abstract 1
- 230000008030 elimination Effects 0.000 abstract 1
- 238000003379 elimination reaction Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 230000003044 adaptive effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Telephone Function (AREA)
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CN201510915783.0A CN105491256B (en) | 2015-12-09 | 2015-12-09 | A kind of acoustic echo canceller startup stage steady step length regulating method |
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CN201510915783.0A CN105491256B (en) | 2015-12-09 | 2015-12-09 | A kind of acoustic echo canceller startup stage steady step length regulating method |
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CN105491256A CN105491256A (en) | 2016-04-13 |
CN105491256B true CN105491256B (en) | 2018-12-04 |
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CN201510915783.0A Active CN105491256B (en) | 2015-12-09 | 2015-12-09 | A kind of acoustic echo canceller startup stage steady step length regulating method |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111213359B (en) * | 2017-10-04 | 2021-09-10 | 主动音频有限公司 | Echo canceller and method for echo canceller |
CN107888792B (en) | 2017-10-19 | 2019-09-17 | 浙江大华技术股份有限公司 | A kind of echo cancel method, apparatus and system |
CN107799123B (en) * | 2017-12-14 | 2021-07-23 | 南京地平线机器人技术有限公司 | Method for controlling echo eliminator and device with echo eliminating function |
CN111199748B (en) * | 2020-03-12 | 2022-12-27 | 紫光展锐(重庆)科技有限公司 | Echo cancellation method, device, equipment and storage medium |
CN111355855B (en) * | 2020-03-12 | 2021-06-15 | 紫光展锐(重庆)科技有限公司 | Echo processing method, device, equipment and storage medium |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1393461A1 (en) * | 2001-05-17 | 2004-03-03 | STMicroelectronics Asia Pacific Pte Ltd. | Echo canceller and a method of cancelling echo |
CN1956480A (en) * | 2005-10-28 | 2007-05-02 | 上海贝岭股份有限公司 | Acoustic echo removing method |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US9036815B2 (en) * | 2012-06-02 | 2015-05-19 | Yuan Ze University | Method for acoustic echo cancellation and system thereof |
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- 2015-12-09 CN CN201510915783.0A patent/CN105491256B/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1393461A1 (en) * | 2001-05-17 | 2004-03-03 | STMicroelectronics Asia Pacific Pte Ltd. | Echo canceller and a method of cancelling echo |
CN1956480A (en) * | 2005-10-28 | 2007-05-02 | 上海贝岭股份有限公司 | Acoustic echo removing method |
Non-Patent Citations (3)
Title |
---|
Double-talk robust VSS-NLMS algorithm for under-modeling acoustic echo cancellation;Constantin Paleologu; Silviu Ciochina; Jacob Benesty;《2008 IEEE International Conference on Acoustics, Speech and Signal Processing》;20080404;245-248 * |
Double-talk robust VSS-NLMS algorithm for under-modeling acoustic echo cancellation;Yun-Long Bi; Feng-Chang Lai; Yi-Zheng Ye;《2009 IEEE Youth Conference on Information, Computing and Telecommunication》;20090921;283-286 * |
Novel variable step size nlms algorithms for echo cancellation;Mohammad Asif Iqbal; Steven L. Grant;《2008 IEEE International Conference on Acoustics, Speech and Signal Processing》;20080404;241-244 * |
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Effective date of registration: 20210402 Address after: 065000 room 306, building 20, Beihua Institute of aerospace technology, chaohuili, Xinkai Road, Guangyang District, Langfang City, Hebei Province Patentee after: Langfang huazhibang Technology Service Co.,Ltd. Address before: 075300 No.1 huayuanli, Xiahuayuan District, Zhangjiakou City, Hebei Province Patentee before: Zhangjiakou Yibi Yike Technology Service Co.,Ltd. |
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