公开(公告)号：US20160277862A1

公开(公告)日：2016-09-22

申请号：US14792783

申请日：2015-07-07

Applicant: Northwestern Polytechnical University

Inventor： Jingdong Chen ,  Chao Pan ,  Jacob Benesty

IPC: H04R29/00 ,  H04R3/00

CPC classification number: H04R29/005 ,  G10L21/0216 ,  G10L2021/02166 ,  H04R1/40 ,  H04R1/406 ,  H04R3/005 ,  H04R2201/40 ,  H04R2201/403 ,  H04R2410/01 ,  H04R2430/20 ,  H04R2430/23

Abstract: A system and method relate to receiving, by a processing device, a plurality of sound signals captured at a plurality of microphone sensors, wherein the plurality of sound signals are from a sound source, and wherein a number (M) of the plurality of microphone sensors is greater than three, determining a number (K) of layers for a multistage minimum variance distortionless response (MVDR) beamformer based on the number (M) of the plurality of microphone sensors, wherein the number (K) of layers is greater than one, and wherein each layer of the multistage MVDR beamformer comprises one or more mini-length MVDR beamformers, and executing the multistage MVDR beamformer to the plurality of sound signals to calculate an estimate of the sound source.

Abstract translation: 一种系统和方法涉及通过处理装置接收在多个麦克风传感器处捕获的多个声音信号，其中所述多个声音信号来自声源，并且其中所述多个麦克风的数量（M） 传感器大于3，基于多个麦克风传感器的数量（M）确定用于多级最小方差失真响应（MVDR）波束形成器的层数（K），其中层数（K）大于 一个，并且其中多级MVDR波束形成器的每层包括一个或多个微型长度MVDR波束形成器，并且对多个声音信号执行多级MVDR波束形成器以计算声源的估计。

公开(公告)号：US09560463B2

公开(公告)日：2017-01-31

申请号：US14792783

申请日：2015-07-07

Applicant: Northwestern Polytechnical University

Inventor： Jingdong Chen ,  Chao Pan ,  Jacob Benesty

IPC: H04R3/00 ,  H04R29/00 ,  H04R1/40

CPC classification number: H04R29/005 ,  G10L21/0216 ,  G10L2021/02166 ,  H04R1/40 ,  H04R1/406 ,  H04R3/005 ,  H04R2201/40 ,  H04R2201/403 ,  H04R2410/01 ,  H04R2430/20 ,  H04R2430/23

Abstract: A system and method relate to receiving, by a processing device, a plurality of sound signals captured at a plurality of microphone sensors, wherein the plurality of sound signals are from a sound source, and wherein a number (M) of the plurality of microphone sensors is greater than three, determining a number (K) of layers for a multistage minimum variance distortionless response (MVDR) beamformer based on the number (M) of the plurality of microphone sensors, wherein the number (K) of layers is greater than one, and wherein each layer of the multistage MVDR beamformer comprises one or more mini-length MVDR beamformers, and executing the multistage MVDR beamformer to the plurality of sound signals to calculate an estimate of the sound source.

Abstract translation: 一种系统和方法涉及通过处理装置接收在多个麦克风传感器处捕获的多个声音信号，其中所述多个声音信号来自声源，并且其中所述多个麦克风的数量（M） 传感器大于3，基于多个麦克风传感器的数量（M）确定用于多级最小方差失真响应（MVDR）波束形成器的层数（K），其中层数（K）大于 一个，并且其中多级MVDR波束形成器的每层包括一个或多个微型长度MVDR波束形成器，并且对多个声音信号执行多级MVDR波束形成器以计算声源的估计。