When an audio source, such as a sound, the sound from the audio out from the announcement, saying it would be a straight (direct sound) audio to the microphone at the same time, another voice, it crept to the walls will echo to the microphone is affected, which will be followed by the main sound is the sound directly mentioned about best birth by seconds, sound is called echo (reflect sound).
การแปล กรุณารอสักครู่..
