Plays audio from mic over speaker

listen.py

import pyaudio
import wave
import sys

CHUNK = 1024
FORMAT = pyaudio.paInt16
CHANNELS = 1
RATE = 44100

def main():
    p = pyaudio.PyAudio()

    stream = p.open(format=FORMAT,
                    channels=CHANNELS,
                    rate=RATE,
                    input=True,
                    output=True,
                    frames_per_buffer=CHUNK)

    print("Streaming audio. Press Ctrl+C to stop.")

    try:
        while True:
            data = stream.read(CHUNK)
            stream.write(data, CHUNK)
    except KeyboardInterrupt:
        print("\nStopping...")

    stream.stop_stream()
    stream.close()
    p.terminate()

if __name__ == '__main__':
    main()