ACM Converter - Version 3.1 ACM Converter 3.1 is software that allows you to convert ACM and PCM WAV files from one format to another. Add the audio files you wish to convert by adding them from the dialog box or by dragging and drop to the files list. This software supports all ACM codec formats that installed on your computer: AC3, CCITT A-Law, CCITT u-Law, DivX WMA Audio V1 or V2, DSP Group True Speech, GSM 6.10, IAC2, Lame MP3, Microsoft ADPCM and more...