From: Paul Brossier <piem@piem.org>
Date: Fri, 25 Dec 2009 05:12:44 +0000 (+0100)
Subject: demo_filterbank.py: add simple filterbank demo
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=b8aaaffd5014ba0fe31d13d78255b74598cfd6eb;p=aubio.git

demo_filterbank.py: add simple filterbank demo
---

diff --git a/interfaces/python/demo_filterbank.py b/interfaces/python/demo_filterbank.py
new file mode 100644
index 00000000..012777fb
--- /dev/null
+++ b/interfaces/python/demo_filterbank.py
@@ -0,0 +1,13 @@
+from _aubio import filterbank
+from numpy import array
+
+f = filterbank(9, 1024)
+freq_list = [40, 80, 200, 400, 800, 1600, 3200, 6400, 12800, 15000, 24000]
+freqs = array(freq_list, dtype = 'float32')
+f.set_triangle_bands(freqs, 48000)
+f.get_coeffs().T
+
+from pylab import loglog, show
+loglog(f.get_coeffs().T, '+-')
+show()
+