Title:
雑音キャンセリングマイクロホン装置
Document Type and Number:
Japanese Patent JP6375362
Kind Code:
B2
Abstract:
Example embodiments include a method of reducing noise include forming a main signal and one or more reference signals at a beam-former based on at least two received audio signals, detecting voice activity at a voice activity detector, where the voice activity detector receives the main and reference signals and outputting a desired voice activity signal, adaptively cancelling noise at an adaptive noise canceller, where the adaptive noise canceller receives the main, reference, and desired voice activity signals and outputs an adaptive noise cancellation signal, and reducing noise at a noise reducer receiving the desired voice activity and adaptive noise cancellation signals and outputting a desired speech signal.
Inventors:
Van Dasheng
Application Number:
JP2016500267A
Publication Date:
August 15, 2018
Filing Date:
February 14, 2014
Export Citation:
Assignee:
Copin Corporation
International Classes:
H04R3/00; G10K11/175; G10L21/0208; G10L25/84; H04R1/00; H04R1/02; H04R1/10; H04R1/38; H04R1/40
Domestic Patent References:
| JP2014502471A | ||||
| JP2008187749A |
Foreign References:
| WO2012026126A1 |
Attorney, Agent or Firm:
Shuji Sugimoto
Masashi Noda
Kenro Tsutsumi
Kumiko Hayashida
Hiroki Taniguchi
Masashi Noda
Kenro Tsutsumi
Kumiko Hayashida
Hiroki Taniguchi