well i would say to calc the audio beat there is a calculus forumla that can be applyed to certin audio files, that would be fastest
botman wrote: > What a coincidence! I've been doing some research recently on beat > tracking also. I'm not sure if it's possible through Source, but here > are some resources: > > http://www.owlnet.rice.edu/~elec301/Projects01/beat_sync/beatalgo.html > http://www.gamedev.net/reference/articles/article1952.asp > http://werner.yellowcouch.org/Papers/bpm04/ > http://code.compartmental.net/tools/minim/manual-beatdetect/ > > Masataka Goto did a lot of work in psychoacoustics: > http://staff.aist.go.jp/m.goto/ > > His work on beat tracking is here... > http://staff.aist.go.jp/m.goto/PROJ/bts.html > > The best I've seen so far was work done by Eric Scheirer > http://en.scientificcommons.org/eric_d_scheirer > > His "Temp and beat analysis of acoustic musical signals" can be found > here (WARNING!!! Lots of complex signal processing math ahead)... > > http://www.iro.umontreal.ca/~pift6080/H09/documents/papers/scheirer_jasa.pdf > > > On 9/25/2009 9:26 AM, Charkrid Pornpitackchaikul wrote: > >> Hi guys, >> I don't have any experience with audio programming. May be someone >> can point me to the right direction. How can I write a audio beat >> counting code by Source Audio Engine? What should I look for? I traced >> the code for quite sometime but I can't find anything that seem like can >> use for capture/find wave peak data. >> The thing I want to do is, I want to difference loop mixing together >> like a DJ mixing with 2 turntables. Appreciate any suggestion. >> >> Thanks in advance. :) >> Charkrid P. >> >> _______________________________________________ >> To unsubscribe, edit your list preferences, or view the list archives, >> please visit: >> http://list.valvesoftware.com/mailman/listinfo/hlcoders >> >> > > _______________________________________________ To unsubscribe, edit your list preferences, or view the list archives, please visit: http://list.valvesoftware.com/mailman/listinfo/hlcoders

