for those of you using CVS, I've checked in the latest updates: - longer sync code (14 bits from 9 bits) - 2 more reserved bits in frame header - CRC-16 for each frame - 'wasted bit' checking (where there is at least 1 zero-LSB throughout a subblock) still have to update the docs. Josh __________________________________________________ Do You Yahoo!? Get email at your own domain with Yahoo! Mail. http://personal.mail.yahoo.com/?.refer=text