To obtain the quasi-karaoke (mono) keep track of, the left channel of the original audio is subtracted from the ideal channel. The Sega Saturn also features a "mute vocals" characteristic that relies on a similar basic principle and is usually equipped to regulate the pitch with the track to match the singer's vocal selection.In Asia, a karaoke box

?????? ?? ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????Instead of having to have about many