公开(公告)号：US20160142815A1

公开(公告)日：2016-05-19

申请号：US14899447

申请日：2014-06-18

Applicant: CREATIVE TECHNOLOGY LTD

Inventor： John NORRIS ,  Robert BLISS

IPC: H04R1/40 ,  H04R29/00 ,  H03G5/16 ,  G10L21/0216 ,  H04R3/00 ,  H04R3/04

CPC classification number: H04R1/406 ,  G10L21/0216 ,  G10L2021/02168 ,  H03G5/165 ,  H04R1/1083 ,  H04R3/005 ,  H04R3/04 ,  H04R29/005 ,  H04R29/006 ,  H04R2201/107 ,  H04R2430/03

Abstract: In one invention embodiment two microphones are attached to the ear cup and are configured as an end-firing array. The end-firing array suppresses unwanted sounds using an adaptive spectral method and spectral subtraction. According to a second embodiment, Automatic Calibration of an end-firing Microphone Array is provided.FR ANALYSIS RR ANALYSIS

Abstract translation: 在一个发明实施例中，两个麦克风附接到耳杯并且被配置为端点击阵列。 终点阵列使用自适应光谱法和谱减法来抑制不需要的声音。 根据第二实施例，提供终端发射麦克风阵列的自动校准。 FR分析RR分析