Like a dashcam but with a microphone. See other gist for source reference

dashmic.py

import pyaudio
import wave
import datetime

# Settings

output_dir = 'path/to/destination'
record_secs = 600 # seconds to record
dev_index = 2 # device index found by p.get_device_info_by_index(ii)

form_1 = pyaudio.paInt16 # 16-bit resolution
chans = 1 # 1 channel
samp_rate = 44100 # 44.1kHz sampling rate
chunk = 4096 # 2^12 samples for buffer



# Record loop

while True:

 date_time = datetime.datetime.now().strftime("%y%m%d_%H-%M-%S")
 wav_output_filename = f'{output_dir}/{date_time}.wav'

# create pyaudio instance
 audio = pyaudio.PyAudio()

# create pyaudio stream
 stream = audio.open(format = form_1, rate = samp_rate, channels = chans, input_device_index = dev_index, input = True, frames_per_buffer = chunk)
 print("Recording segment...")
 frames = []

# loop through stream and append audio chunks to frame array
 for ii in range(0,int((samp_rate/chunk)*record_secs)):
  data = stream.read(chunk)
  frames.append(data)

 print("Ending segment")

# stop the stream, close it, and terminate the pyaudio instance
 stream.stop_stream()
 stream.close()
 audio.terminate()

# save the audio frames as .wav file
 wavefile = wave.open(wav_output_filename,'wb')
 wavefile.setnchannels(chans)
 wavefile.setsampwidth(audio.get_sample_size(form_1))
 wavefile.setframerate(samp_rate)
 wavefile.writeframes(b''.join(frames))
 wavefile.close()

done