Realizes karaoke functionality by enabling you to erase only the vocals from commercially available music software.

• Features
1) Vocal fader functions (erase vocals from commercially available
   music software) all on one chip.
2) Has internal secondary active LPF to enable a high
   degree of vocal cancellation (synchronous rejection
   ratio) while retaining the same feeling.
3) Three control pins for switching between 4 modes:
   through, vocal fader, sound multiplexing, and mute.
4) Key controller input and internal switches.
5) Internal microphone amplifier.
6) Low noise and low distortion.
7) Few external components.

• Applications
   Mini-components, radio cassette players, car stereos, karaoke sets