VS1063 - Audio Decoder, WAV Codec, and WAV / MP3 / Ogg Vorbis Encoder Circuit VS1063 is the newest IC in the VLSI Solution's MP3 slave processor family. As a first in VLSI's over a decade long history of creating innovative audio IC products, VS1063 is as much aimed at encoding as it is at decoding audio. The VS1063 IC can encode an unforeseen multitude of audio formats, from MP3 and Ogg Vorbis to