Live streaming the speech input and saving the output file

SoundDevice_Playback.py

import sounddevice as sd
duration = 5  # seconds
import wave
from scipy.io import wavfile

def writeWavFile(frames,width=2L,fileName="test.wav"):
    #writing the wave file
    wf = wave.open(fileName, 'wb')
    wf.setnchannels(1)
    wf.setsampwidth(2L)
    wf.setframerate(48000)
    wf.writeframes(b''.join(frames))
    wf.close()

frames=[]

def callback(indata, outdata, callframes, calltime, status):
    if status:
        print(status)
    outdata[:] = indata
	
    frames.append(indata.tobytes())

with sd.Stream(channels=1, callback=callback):
	try:   
	   sd.sleep(int(duration * 1000))
	
	except KeyError:
		print "done"
	writeWavFile(frames)
	print "done"