def valid_input_devices(self):
"""
See which devices can be opened for microphone input.
call this when no PyAudio object is loaded.
"""
mics=[]
for device in range(self.p.get_device_count()):
if self.valid_test(device):
mics.append(device)
if len(mics)==0:
print("no microphone devices found!")
else:
print("found %d microphone devices: %s"%(len(mics),mics))
return mics
### SETUP AND SHUTDOWN
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