Karaoke Mixer is very useful tool for singers to mix recorded voice with karaoke background to MP3 on the fly. You can use MIDI, KAR, MP3, and OGG files as a background sound and WAV file with recorded voice. Use powerful sound settings for both sources. Adjust independently volume, balance, bass, and treble. Change tone for background source. Add special audio effects to recorded voice. Choose one of 14 predefined sound presets.