Audio CD ActiveX (OCX) - Version 1.0 CDA Audio CD ActiveX 1.0 is a collection of audio CD OCXs (ActiveX) for software developers. 1) CDA Converter ActiveX (OCX) to convert CDA tracks from an audio CD to MP3, WMA, WAV, OGG and APE audio files. 2) Audio Burner ActiveX (OCX) to burn an audio CD from WAV, WMA, MP3, OGG and APE. 3) FreeDB ActiveX (OCX) to get all the information about the audio cd using the internet and FreeDB service.