mp3 - Extracting MDCT coefficients for steganalysis? -


mp3stego (http://www.petitcolas.net/steganography/mp3stego/) hides data within mp3 files during inner_loop , uses part2_3_length modify bits.

i'm wondering whether worth extracting mdct coefficients , examining them histogram compare mp3 file no hidden data in it. however, encoding process of mp3s mdct happens before inner_loop.

would there use of extracting coefficients if case? if so, best way of doing print out data file during encoding process?


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