David,
I'm not sure pitch analyzis is a job for Rev... At least Rev can be used to build a front-end for data display, but for sound analyzis per se, you'll be more comfortable with software built for that purpose : just off the top of my head : some Csound functions or various phase vocoders (some available as shareware, some for a licence fee like the IRCAM tool (I forgot the name)... May be can you pick up some specific C/C++ libraries on the web and use them as externals in your Rev app... hope that helps, JB > The subject line pretty much says it all, but more specifically I > want to statistically analyse change in pitch, not play it, save it > as sound or relate it directly to any musical system. So any kind of > rational number would be fine, and I would then chuck away > the .wav .aiff or whatever. > > 1/ How hard would it be to parse sound files recorded in Rev and > extract just the chunks of data relating to pitch ? > > 2/ Does it make any difference if the sound is complex (like an > animal call) or simple like a signal from a tone generator? > > 3/ Are any of the formats offered by Rev easier to handle in this > respect? > > 4/ Assuming standard bit rates, how much pitch data would be > generated by, say a ten second recording? > > 5/ I have settled for post hoc parsing rather than 'on the fly' > processing because I assumed the overhead would be too great for the > latter to work. Is that right? > > 5/ Are there any other sensible questions I should be asking? > > Best Wishes, > > David Glasgow > Carlton Glasgow Partnership > > http://www.i-psych.co.uk > > _______________________________________________ > use-revolution mailing list > [email protected] > Please visit this url to subscribe, unsubscribe and manage your subscription > preferences: _______________________________________________ use-revolution mailing list [email protected] Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-revolution
