How To Properly decode DTS/AC3 in Winamp using ffdshow
2 In the plugin preferences open DirectShow Decoder Add AC3 and DTS to the list so that it appears "MPG;MPEG;M2V;AVI;AC3;DTS" This allows Winamp to pass the stream to the DirectShow filter 3 Install ffdshow In the audio options make sure libdts is selected for DTS format Also make sure "Check for DTS in WAV" is selected