Automatic audio output control circuit of audio equipment

摘要

this is the city of telephone audio or video and sound of the user's direct operation of the automatic mute the sound output level or down to the sound of automatic power control of the ud68cub85cuc5d0.;the idea is that the state of the detection of the user by default, according to the state of the output sound signal is automatically output to the device or the like as much as possible, the appropriate ud658uacbduc774 call according to the user settings. so the circuit, telephone (1) for sensing whether the sensor part (10) and the sensor part (10); the detection signal according to the output from the audio device (30) is the output of the audio signal level control part (20) of the control audio and video equipment, the use of very convenient .