公开(公告)号：US09100466B2

公开(公告)日：2015-08-04

申请号：US13892420

申请日：2013-05-13

Applicant: INTEL IP CORPORATION

Inventor： Christelle Yemdji ,  Ludovick Lepauloux ,  Christophe Beaugeant ,  Nicholas Evans

IPC: H04M3/00 ,  G10L21/0232 ,  G10L21/0216 ,  G10L21/0208 ,  H04B3/23 ,  H04M9/08 ,  H04B3/20 ,  H04R3/02

CPC classification number: H04M3/002 ,  G10L21/0232 ,  G10L2021/02082 ,  G10L2021/02161 ,  G10L2021/02165 ,  H04B3/234 ,  H04M9/082 ,  H04R3/02 ,  H04R2410/05 ,  H04R2499/11

Abstract: A method for processing an audio signal is described comprising receiving a first audio signal via a first receiving path comprising a first microphone; receiving a second audio signal via a second receiving path comprising a second microphone; and performing echo suppression of the first audio signal based on the first audio signal and the second audio signal.

Abstract translation: 描述了一种用于处理音频信号的方法，包括经由包括第一麦克风的第一接收路径接收第一音频信号; 经由包括第二麦克风的第二接收路径接收第二音频信号; 以及基于所述第一音频信号和所述第二音频信号执行所述第一音频信号的回波抑制。

公开(公告)号：US20170236528A1

公开(公告)日：2017-08-17

申请号：US15501192

申请日：2014-09-05

Applicant: Intel IP Corporation

Inventor： Ludovick Lepauloux ,  Fabrice Plante ,  Christophe Beaugeant

IPC: G10L21/0232 ,  G10L21/0264 ,  G10L25/84

CPC classification number: G10L21/0232 ,  G10L21/0264 ,  G10L25/78 ,  G10L25/84

Abstract: An audio processing device includes a first microphone configured to receive a first signal a second microphone configured to receive a second signal, a noise reduction gain determination circuit configured to determine a noise reduction gain based on the first signal and the second signal, a noise reduction circuit configured to attenuate the first signal based on the determined noise reduction gain, and an output circuit configured to output the attenuated signal.

公开(公告)号：US10249322B2

公开(公告)日：2019-04-02

申请号：US15024085

申请日：2014-10-16

Applicant: Intel IP Corporation

Inventor： Christoph Nelke ,  Navin Chatlani ,  Christophe Beaugeant ,  Peter Vary

IPC: G10K11/178 ,  G10L25/21 ,  H04R3/00 ,  G10L25/24 ,  G10L21/0232 ,  H04R3/04 ,  G10L21/0208 ,  G10L25/51

Abstract: An audio processing device is described comprising an energy distribution determiner configured to determine an energy distribution of a sound and an acoustical environment determiner configured to determine based on the energy distribution whether the sound includes a sound caused by the acoustical environment.

公开(公告)号：US10181329B2

公开(公告)日：2019-01-15

申请号：US15501192

申请日：2014-09-05

Applicant: Intel IP Corporation

Inventor： Ludovick Lepauloux ,  Fabrice Plante ,  Christophe Beaugeant

IPC: G10L21/0232 ,  G10L21/0264 ,  G10L25/84 ,  G10L25/78

Abstract: An audio processing device includes a first microphone configured to receive a first signal a second microphone configured to receive a second signal, a noise reduction gain determination circuit configured to determine a noise reduction gain based on the first signal and the second signal, a noise reduction circuit configured to attenuate the first signal based on the determined noise reduction gain, and an output circuit configured to output the attenuated signal.