Changeset 2bd1a2a for python/aubio

Timestamp:

Dec 13, 2005, 6:51:59 AM (19 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:

0eb4025

Parents:

f985cd6

Message:

add list_snd_files and downsample audio, temporary fix for filename check in plot functions
add list_snd_files and downsample audio, temporary fix for filename check in plot functions

Location:

python/aubio

Files:

• bench/node.py (modified) (1 diff)
• gnuplot.py (modified) (3 diffs)

python/aubio/bench/node.py

@@ -24 +24 @@
 def list_wav_files(datapath,maxdepth=1):
         return list_files(datapath, filter="f -name '*.wav' -maxdepth %d"%maxdepth)
+
+def list_snd_files(datapath,maxdepth=1):
+        return list_files(datapath, filter="f -name '*.wav' -o -name '*.aif' -maxdepth %d"%maxdepth)
 
 def list_dirs(datapath):

python/aubio/gnuplot.py

@@ -68 +68 @@
         g.gnuplot('unset multiplot;')
 
+def downsample_audio(time,data,maxpoints=10000):
+        """ create gnuplot plot from an audio file """
+        import numarray
+        length = len(time)
+        downsample = length/maxpoints
+        if downsample == 0: downsample = 1
+        x = numarray.array(time).resize(length)[0:-1:downsample]
+        y = numarray.array(data).resize(length)[0:-1:downsample]
+        return x,y
+
 def make_audio_plot(time,data,maxpoints=10000):
         """ create gnuplot plot from an audio file """
@@ -107 +117 @@
         # check if datafile exists truth
         datafile = filename.replace('.wav','.txt')
+        if datafile == filename: datafile = ""
         if not os.path.isfile(datafile):
                 title = "truth file not found"
@@ -177 +188 @@
         # check if ground truth exists
         datafile = filename.replace('.wav','.txt')
+        if datafile == filename: datafile = ""
         if not os.path.isfile(datafile):
                 title = "truth file not found"