You can go through the tutorial https://www.roytuts.com/python-voice-recording-through-microphone-for-arbitrary-time-using-pyaudio/

import pyaudio

import wave

CHUNK = 1024

FORMAT = pyaudio.paInt16

CHANNELS = 2

RATE = 44100

def record():

p = pyaudio.PyAudio()

stream = p.open(format=FORMAT,

channels=CHANNELS,

rate=RATE,

input=True,

frames_per_buffer=CHUNK)

print("Start recording")

frames = []

try:

while True:

data = stream.read(CHUNK)

frames.append(data)

except KeyboardInterrupt:

print("Done recording")

except Exception as e:

print(str(e))

sample_width = p.get_sample_size(FORMAT)

stream.stop_stream()

stream.close()

p.terminate()

return sample_width, frames

def record_to_file(file_path):

wf = wave.open(file_path, 'wb')

wf.setnchannels(CHANNELS)

sample_width, frames = record()

wf.setsampwidth(sample_width)

wf.setframerate(RATE)

wf.writeframes(b''.join(frames))

wf.close()

if __name__ == '__main__':

print('#' * 80)

print("Please speak word(s) into the microphone")

print('Press Ctrl+C to stop the recording')

record_to_file('output.wav')

print("Result written to output.wav")

print('#' * 80)