Purpose: Video Production, Karaoke Lounge, Corporate or personal tape making. Description: 4 video inputs-2 composites and 2 S-Video. 2-channel full-field digital synchronization. Special effects in each of A/B program buses. 2 Video inputs mixable with composite and S-Video sources. 2 Audio/Video and S-Video recording outputs. Digital effects-Still, Strobe, Mosaic, Paint, Negative. Chroma key and Luminance key. Selective size and position for digital effects area and PIP windows. Picture in Picture control. (3 window sizes) Joystick control for altering the position of digital effect. 96 wipe patterns. 8 different selective back colors- White, Yellow, Cyan, Green, Magenta, Red, Blue, Black. Fade control for Video and Audio. Video and Audio mixing. 50 dB S/N ratio. Compatible with ASK- CPT370 PC to Video Overlay.