1: About the microphone scream.

Generally, the microphone screaming is caused by the volume of the microphone too much. Be careful to see if it belongs to the total volume of the microphone or it belongs to the individual microphone volume. Another reason why the microphone screams is caused by too much microphone sound quality. Be careful about the frequency of howling the screaming: very harsh screaming belongs to MIC TREBLE (microphones), and you must reduce the microphones. If it is a low scream, it feels that the a little shocking is caused by too much of the MIC BASS (microphone bass), and you must reduce the microphone bass.

2: Under normal circumstances, that is, during the business period, if the guest needs to adjust the lightness and weight of the reverberation, try not to adjust the repeat or delay in the reverberation effect, as long as the Echo (Echo Vol) is increased or reduced or reduced Intersection

3: The control of the volume of computer music accompaniment is mainly to not cover the sound of guest singing. Otherwise, the guest singing will feel hard, strenuous, and strenuous.