Robust Data Hiding in Audio Using Allpass Filters.

H. M. A. Malik Rashid Ansari Ashfaq A. Khokhar Robust Data Hiding in Audio Using Allpass Filters. 1296-1304 2007 15 IEEE Transactions on Audio, Speech & Language Processing 4 http://dx.doi.org/10.1109/TASL.2007.894509 db/journals/taslp/taslp15.html#MalikAK07