FreqTweak seems to have gone missing from CCRMA at least for f12: http://www-ccrma.stanford.edu/planetccrma/software/soundapps.html#freqtweak Regarding GPU as low-cost sound co-processor: http://ccrma-mail.stanford.edu/pipermail/planetccrma/2010-April/016668.html Niels http://nielsmayer.com