Changeset e638bcf for python

Timestamp:

Aug 2, 2006, 1:21:46 PM (18 years ago)

Author:

Paul Brossier <piem@altern.org>

Branches:

feature/autosink, feature/cnn, feature/cnn_org, feature/constantq, feature/crepe, feature/crepe_org, feature/pitchshift, feature/pydocstrings, feature/timestretch, fix/ffmpeg5, master, pitchshift, sampler, timestretch, yinfft+

Children:

778bc7a

Parents:

aa3637a

Message:

add buffer and hosize options to aubioplot-spec, use 10000 as default value for maxf
add buffer and hosize options to aubioplot-spec, use 10000 as default value for maxf

Location:

python

Files:

• aubio/gnuplot.py (modified) (2 diffs)
• aubioplot-spec (modified) (3 diffs)

python/aubio/gnuplot.py

@@ -73 +73 @@
         g.gnuplot('unset multiplot;')
 
-def audio_to_spec(filename,minf = 0, maxf = 0, lowthres = -20.):
+def audio_to_spec(filename,minf = 0, maxf = 0, lowthres = -20., 
+                bufsize= 8192, hopsize = 1024):
         from aubioclass import fvec,cvec,pvoc,sndfile
         from math import log10
-        bufsize   = 8192
-        hopsize   = bufsize/8 # could depend on filelength
         filei     = sndfile(filename)
         srate     = float(filei.samplerate())
@@ -118 +117 @@
         return data,time,freq
 
-def plot_spec(filename, outplot='',extension='', fileout=None, start=0, end=None, noaxis=None,log=1, minf=0, maxf= 0, xsize = 1., ysize = 1.):
+def plot_spec(filename, outplot='',extension='', fileout=None, start=0, end=None, noaxis=None,log=1, minf=0, maxf= 0, xsize = 1., ysize = 1.,bufsize=8192, hopsize=1024):
         import Gnuplot
         g = gnuplot_create(outplot,extension)
-        data,time,freq = audio_to_spec(filename,minf=minf,maxf=maxf)
+        data,time,freq = audio_to_spec(filename,minf=minf,maxf=maxf,bufsize=bufsize,hopsize=hopsize)
         xorig = 0.
         if not noaxis:

python/aubioplot-spec

@@ -17 +17 @@
                           help="input sound file")
         parser.add_option("-M","--maxf",
-                          action="store", dest="maxf", default=0., 
+                          action="store", dest="maxf", default=10000., 
                           type='float',help="higher frequency limit")
         parser.add_option("-L","--minf",
@@ -34 +34 @@
                           action="store", dest="outplot", default=None, 
                           help="save plot to output.{ps,png}")
+        parser.add_option("-B","--bufsize", type='int',
+                          action="store", dest="bufsize", default=8192, 
+                          help="buffer size [default=8192]")
+        parser.add_option("-H","--hopsize", type='int',
+                          action="store", dest="hopsize", default=1024, 
+                          help="overlap size [default=1024]")
         (options, args) = parser.parse_args()
         if not options.filename: 
@@ -52 +58 @@
 plot_spec(filename, outplot=outplot, extension=extension, log=options.log,
   maxf = options.maxf, minf = options.minf, 
-  xsize = options.xsize, ysize = options.ysize)
+  xsize = options.xsize, ysize = options.ysize,
+  bufsize = options.bufsize, hopsize = options.hopsize)