ref: 62336bb62a65cb1ce1705ed7187eab9e45677f19
parent: e7da8bac88b348345427d3264653b9dc70db99c4
author: Paul Brossier <piem@piem.org>
date: Wed Dec 21 17:19:22 EST 2016
python/demos/demo_pyaudio.py: add some comments, avoid overwriting aubio.pitch
--- a/python/demos/demo_pyaudio.py
+++ b/python/demos/demo_pyaudio.py
@@ -1,9 +1,18 @@
#! /usr/bin/env python
+# Use pyaudio to open the microphone and run aubio.pitch on the stream of
+# incoming samples. If a filename is given as the first argument, it will
+# record 5 seconds of audio to this location. Otherwise, the script will
+# run until Ctrl+C is pressed.
+
+# Examples:
+# $ ./python/demos/demo_pyaudio.py
+# $ ./python/demos/demo_pyaudio.py /tmp/recording.wav
+
import pyaudio
import sys
import numpy as np
-from aubio import pitch, sink
+import aubio
# initialise pyaudio
p = pyaudio.PyAudio()
@@ -23,7 +32,7 @@
# record 5 seconds
output_filename = sys.argv[1]
record_duration = 5 # exit 1
- outputsink = sink(sys.argv[1], samplerate)
+ outputsink = aubio.sink(sys.argv[1], samplerate)
total_frames = 0
else:
# run forever
@@ -34,7 +43,7 @@
tolerance = 0.8
win_s = 4096 # fft size
hop_s = buffer_size # hop size
-pitch_o = pitch("default", win_s, hop_s, samplerate)
+pitch_o = aubio.pitch("default", win_s, hop_s, samplerate)
pitch_o.set_unit("midi")
pitch_o.set_tolerance(tolerance)