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void4/realtimesine.py

Created May 28, 2018 22:13
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realtimesine.py
import os
import time
import subprocess
with open(os.devnull, 'w') as devnull:
subprocess.Popen('ffmpeg -y -re -f lavfi -i "sine=frequency=440:duration=20" -blocksize 2048 test.wav', shell=True)
time.sleep(0.1)
while True:
print(os.path.getsize("test.wav"))
time.sleep(0.1)
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