gistfile1.txt

import sounddevice as sd
import soundfile as sf
import numpy as np
import queue
import datetime
import os

# ==============================
# CONFIG
# ==============================
SAMPLE_RATE = 16000
CHANNELS = 1
FILE_DURATION_MINUTES = 5   # mỗi file 5 phút
OUTPUT_FOLDER = "recordings"

os.makedirs(OUTPUT_FOLDER, exist_ok=True)

audio_queue = queue.Queue()


def audio_callback(indata, frames, time, status):
    if status:
        print(status)
    audio_queue.put(indata.copy())


def generate_filename():
    timestamp = datetime.datetime.now().strftime("%Y%m%d_%H%M%S")
    return os.path.join(OUTPUT_FOLDER, f"record_{timestamp}.wav")


def record_continuous():
    print("🎙️ Recording started... Press Ctrl+C to stop.")

    file_start_time = datetime.datetime.now()
    filename = generate_filename()
    file = sf.SoundFile(
        filename,
        mode='w',
        samplerate=SAMPLE_RATE,
        channels=CHANNELS
    )

    with sd.InputStream(
        samplerate=SAMPLE_RATE,
        channels=CHANNELS,
        callback=audio_callback
    ):
        while True:
            data = audio_queue.get()
            file.write(data)

            # kiểm tra thời gian để chia file
            elapsed = (datetime.datetime.now() - file_start_time).total_seconds()

            if elapsed >= FILE_DURATION_MINUTES * 60:
                file.close()
                print(f"💾 Saved: {filename}")

                file_start_time = datetime.datetime.now()
                filename = generate_filename()
                file = sf.SoundFile(
                    filename,
                    mode='w',
                    samplerate=SAMPLE_RATE,
                    channels=CHANNELS
                )


if __name__ == "__main__":
    try:
        record_continuous()
    except KeyboardInterrupt:
        print("\n🛑 Recording stopped.")