Note : The tests were done on some local samples I have, not the ones in
       CodecPerformanceComparison.

-----trunk--------------
Cook Stereo 32kbps 249.42% realtime 32.07 MHz
Cook Stereo 64kbps 228.29% realtime 35.04 MHz
Cook Stereo 96kbps 221.26% realtime 36.15 MHz

-----branches/mdctexp---
Cook Stereo 32kbps 261.97% realtime 30.53 MHz : +12.55% -1.54MHz
Cook Stereo 64kbps 238.76% realtime 33.50 MHz : +10.48% -1.54MHz
Cook Stereo 96kbps 231.08% realtime 34.62 MHz : +09.82% -1.53MHz