The first method is to use editing software to reduce the volume of the voice channel.
The second method is to set the different volume of the left and right channels when playing, and reduce the volume of the channel where the human voice is located.
This is the setting method of QQ audio and video, and other players may be more intuitive.
The third method is to directly reduce the volume of human voice channel on the power amplifier equipment controlled by left and right channels.
If the music you use is vocal and has nothing to do with music, don't say it if the method you use is too professional. Why don't you find another music independent? Generally MTV music is independent.