From e11640ebce01e39b4a900c5c29acd401cda4f77f Mon Sep 17 00:00:00 2001
From: John Glover <j@johnglover.net>
Date: Thu, 23 Aug 2012 18:28:47 +0100
Subject: [examples] Move examples to top level. Update examples so file paths
 can be specified on the command line.

---
 examples/plotpartials.py | 19 +++++++++++++++++++
 examples/plotpeaks.py    | 22 ++++++++++++++++++++++
 examples/residual.py     | 17 +++++++++++++++++
 examples/resynth.py      | 21 +++++++++++++++++++++
 4 files changed, 79 insertions(+)
 create mode 100644 examples/plotpartials.py
 create mode 100644 examples/plotpeaks.py
 create mode 100644 examples/residual.py
 create mode 100644 examples/resynth.py

(limited to 'examples')

diff --git a/examples/plotpartials.py b/examples/plotpartials.py
new file mode 100644
index 0000000..65017b0
--- /dev/null
+++ b/examples/plotpartials.py
@@ -0,0 +1,19 @@
+import sys
+import matplotlib.pyplot as plt
+import simpl
+
+usage = 'Usage: python {0} <wav file>'.format(__file__)
+if len(sys.argv) != 2:
+    print usage
+    sys.exit(1)
+
+audio = simpl.read_wav(sys.argv[1])[0]
+
+pd = simpl.LorisPeakDetection()
+pd.max_peaks = 30
+peaks = pd.find_peaks(audio)
+pt = simpl.MQPartialTracking()
+pt.max_partials = 30
+partials = pt.find_partials(peaks)
+simpl.plot_partials(partials, show_peaks=False)
+plt.show()
diff --git a/examples/plotpeaks.py b/examples/plotpeaks.py
new file mode 100644
index 0000000..ef2a1a4
--- /dev/null
+++ b/examples/plotpeaks.py
@@ -0,0 +1,22 @@
+import sys
+import simpl
+import matplotlib.pyplot as plt
+
+usage = 'Usage: python {0} <wav file>'.format(__file__)
+if len(sys.argv) != 2:
+    print usage
+    sys.exit(1)
+
+audio = simpl.read_wav(sys.argv[1])[0]
+
+# take just a few frames
+audio = audio[len(audio) / 2:(len(audio) / 2) + 4096]
+
+# peak detection using the SndObj library
+pd = simpl.SndObjPeakDetection()
+pd.max_peaks = 20
+peaks = pd.find_peaks(audio)
+
+# plot peaks using matplotlib
+simpl.plot.plot_peaks(peaks)
+plt.show()
diff --git a/examples/residual.py b/examples/residual.py
new file mode 100644
index 0000000..cd41dd4
--- /dev/null
+++ b/examples/residual.py
@@ -0,0 +1,17 @@
+import sys
+import numpy as np
+import scipy.io.wavfile as wav
+import simpl
+
+usage = 'Usage: python {0} <input wav file> <output wav file>'.format(__file__)
+if len(sys.argv) != 3:
+    print usage
+    sys.exit(1)
+
+audio = simpl.read_wav(sys.argv[1])[0]
+output_file = sys.argv[2]
+
+r = simpl.SMSResidual()
+audio_out = r.synth(audio)
+audio_out = np.asarray(audio_out * 32768, np.int16)
+wav.write(output_file, 44100, audio_out)
diff --git a/examples/resynth.py b/examples/resynth.py
new file mode 100644
index 0000000..99d6e39
--- /dev/null
+++ b/examples/resynth.py
@@ -0,0 +1,21 @@
+import sys
+import numpy as np
+import scipy.io.wavfile as wav
+import simpl
+
+usage = 'Usage: python {0} <input wav file> <output wav file>'.format(__file__)
+if len(sys.argv) != 3:
+    print usage
+    sys.exit(1)
+
+audio = simpl.read_wav(sys.argv[1])[0]
+output_file = sys.argv[2]
+
+pd = simpl.LorisPeakDetection()
+peaks = pd.find_peaks(audio)
+pt = simpl.SMSPartialTracking()
+partials = pt.find_partials(peaks)
+synth = simpl.LorisSynthesis()
+audio_out = synth.synth(partials)
+audio_out = np.asarray(audio_out * 32768, np.int16)
+wav.write(output_file, 44100, audio_out)
-- 
cgit v1.2.3