I just finished a long project "Vocal Eyes Vocalize" - intending to be mastered by a pro (which I did, and have for other projects). I took the project as far as I could using iZotope OZONE 4 and saved it (put it aside). Then I removed OZONE 4 and sent it out to be mastered. When I got the mastered disc back (EQ and compression, LR balance etc) I compared it over and over to the 9 songs on my disc >> back and fourth (over and over). I can say OZONE 4 did a fantastic job. Over all - it takes a second set of ears to get the job done completely - having said that - Ozone got 95% of the way there.
I just ordered Ozone 5 (CPU hog and all)
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Clifford Marshall Van Buren
Holder of the Guinness Book of World Records for Drumming of 720 hours and WFD upside down world record
See site for music, book pics and Guinness entry
www.cliffordmarshallvanburen.com youtube
http://youtu.be/IjHpZsuekkU
Themaltake Spedo Advance, Win 7 32bit Pro, ASUS EVO, I-7 860, 3 WD Blacks, Kingston HyperX KHX2000, ASUS EAH4350 Silent, Pro Tools LE 8.0.4cs2 and now PT 10 on Win 7 64bit, I-7 and I-3