#!/usr/bin/env python
"""
Simplest demo of using PySoundDevice to playback audio from Python
https://www.scivision.dev/playing-sounds-from-numpy-arrays-in-python/
python -m pip install sounddevice
http://python-sounddevice.readthedocs.io/en/latest/#usage
"""
import sounddevice
from time import sleep
from pyimagevideo import dialtone
fs = 8000 # Hz
T = 1
x = (dialtone(fs, T) * 32768).astype('int16') # scale to int16 for sound card
sounddevice.play(x, fs) # releases GIL
sleep(T) # NOTE: Since sound playback is async, allow sound playback to finish before Python exits
#!/usr/bin/env python
"""
this doesn't current work with Oct2Py
"""
import numpy as np
from oct2py import Oct2Py
from pyimagevideo import dialtone
fs = 8000 # Hz
x = (dialtone(fs)*32768).astype(np.int16) # scale to int16 for sound card
with Oct2Py() as oc:
# print(oc.audiodevinfo())
a = oc.audioplayer(x,fs)
oc.play(a)