voice_recorder.py

import wave

import pyaudio


class VoiceRecorder:

    def record(record_active, frames):
        audio = pyaudio.PyAudio()

        stream = audio.open(
            format=pyaudio.paInt16,
            channels=1,
            rate=44100,
            input=True,
            frames_per_buffer=1024,
        )

        while record_active.is_set():  # Multithreading
            data = stream.read(num_frames=1024, exception_on_overflow=False)
            frames.append(data)

        stream.stop_stream()
        stream.close()
        audio.terminate()

        # save audiofile with same format
        audio_file = wave.open("voice_prompt.wav", "wb")
        audio_file.setnchannels(1)
        audio_file.setsampwidth(audio.get_sample_size(pyaudio.paInt16))
        audio_file.setframerate(44100)
        audio_file.writeframes(b"".join(frames))
        audio_file.close()