For people wondering about lossy / lossless codecs, .wav and good ole PCM files fit that bill for what he's doing..I really never thought it made much difference at all untill a very insightfull article in last months' Sound on Sound dealing with codecs... They also make the crucial link between bit depth, sample rate , word length, bit rate, and Codecs .. I've never seen it so clearly illustrated,explained,and linked.
Grant, give me about a day or two and I can make that happen for you .. If no one helps you out in the meantime.. Let me know ..