公开(公告)号：US09214913B2

公开(公告)日：2015-12-15

申请号：US14080308

申请日：2013-11-14

Applicant: GN Netcom A/S

Inventor： Morten Urup

IPC: H03G3/00 ,  H03G3/20 ,  H03G3/32

CPC classification number: H03G3/20 ,  H03G3/32

Abstract: A communication device (1) comprising a speaker (2), a microphone (3), a noise detection module (7) adopted to determine an ambient noise level (NL) from a microphone signal received from the microphone (3) and an automatic volume control module (4), which in dependence of a change in noise level adjusts the speaker volume level (SL) to an adjusted level during an adaption time interval (TA). The communication device (1) comprises a motion sensor (5), and the length of the adaption time interval (TA) depends on a motion signal received from the motion sensor (5).

Abstract translation: 一种通信设备（1），包括扬声器（2），麦克风（3），噪声检测模块（7），用于从麦克风（3）接收的麦克风信号确定环境噪声电平（NL） 根据噪声水平的变化，音量控制模块（4）在适应时间间隔（TA）期间将扬声器音量水平（SL）调整到调整水平。 通信装置（1）包括运动传感器（5），并且适应时间间隔（TA）的长度取决于从运动传感器（5）接收的运动信号。