Quote:
Originally Posted by Steven@Sadoun.com
If you are computer savvy or have a child in college this link may assist you with the decoding. There are also other links in bedded that might help. If you are looking for a hard wire device I suggest going to SamAsh and looking in their Home Studio department. They have all kinds of digital conversion devices. 
Free-Codecs.com :: Download AC3 Decoder 1.2.6 : AC3 Decoder is a convertor for AC3 files and unprotected VOB format files to Ogg Vorbis, MP3, PCM, WAV, WMA |
How do you propose getting the AC3 signal from the STB into the computer to decode? If you computer has an optical input, then the odds are it already does AC3 decoding anyway, so you wouldn't need the above.