def run(self):
with InputStream(samplerate=44100, blocksize=16) as s:
while self.running:
vec = s.read(NUM_SAMPLES)
# Downsample to mono
mono_vec = vec.sum(-1) / float(s.channels)
self._spectrogram = np.fft.fft(mono_vec)
self._bandpassed = fft_bandpassfilter(self.spectrogram, 44010, 100, 20)
print 'simulating losing packet', timestamp
else:
print 'sending packet', timestamp
sock.sendto(msg, (host, port))
#sock.sendto(data.tostring(), (host,port))
except:
traceback.print_exc()
threading.Thread(target = forever_send_udp_queue).start()
def callback(in_data, time_info, status):
udp_queue.put(in_data)
#sock.sendto((in_data).tostring(), (host, port))
return continue_flag
record_stream = InputStream(samplerate=8000, blocksize=800, dtype='int32', channels=1, callback=callback)
record_stream.start()
# now write something which takes stuff from the udp queue and sends it over
# the network
while True:
try:
time.sleep(1)
except:
break
record_stream.stop()
play audio frames on callback
pysoundcard
server which forwards all udp packets from one ip, port to everyone connected to it via udp
erasure codes later if time permits
'''
from pysoundcard import InputStream, OutputStream, continue_flag
import time
"""Loop back five seconds of audio data."""
output = OutputStream(samplerate=44100, blocksize=16)
output.start()
def callback(in_data, time_info, status):
output.write(in_data*4)
return continue_flag
s = InputStream(samplerate=44100, blocksize=16, callback=callback)
s.start()
time.sleep(5)
s.stop()
output.stop()