updated aubiocut aubiocut now seeks local minima before the peak, to cut at the beginning of the attack rather than at an arbitrary three frames ahead of the peak.

Paul Brossier committed 21 years ago

Commit 65f1edc1 parent 00e46591 file · +15 −7Browse files

Showing the changes to python (1 of 1 file). Show all

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 from aubio.aubioclass import *
 import sys
+bufsize   = 1024
+hopsize   = bufsize/2
 def getonsets(filein,threshold):
-        bufsize   = 1024
-        hopsize   = bufsize/2
         frameread = 0
         filei     = sndfile(filein)
         srate     = filei.samplerate()
         #newname   = "%s%.8f%s" % ("/tmp/",0.0000000,filein[-4:])
         #fileo     = sndfile(newname,model=filei)
         mylist    = list()
+	ovalist   = [0., 0., 0., 0., 0., 0.]
         while(readsize==hopsize):
                 readsize = filei.read(hopsize,myvec)
                 isonset,val = opick.do(myvec)
+		ovalist.append(val)
+		ovalist.pop(0)
                 if (isonset == 1):
-                    now = (frameread-4)*hopsize/(srate+0.)
+			print frameread
-                    #del fileo
+			i=len(ovalist)-1
-                    #fileo = sndfile("%s%f%s" % ("/tmp/",now,filein[-4:]),model=filei)
+			# find local minima
-                    mylist.append(now)
+			while ovalist[i-1] < ovalist[i] and i > 0:
+				i -= 1
+                    	now = (frameread-i+1)*hopsize/(srate+0.)
+                    	#del fileo
+                    	#fileo = sndfile("%s%f%s" % ("/tmp/",now,filein[-4:]),model=filei)
+                    	mylist.append(now)
                 #writesize = fileo.write(readsize,myoldvec)
                 frameread += 1
         return mylist
 def cutfile(filein,onsets):
-        hopsize   = 512
         frameread = 0
         readsize  = hopsize
         filei     = sndfile(filein)

updated aubiocut aubiocut now seeks local minima before the peak, to cut at the beginning of the attack rather than at an arbitrary three frames ahead of the peak.

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