mokupi #31

Untitled.ipynb

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   "cell_type": "code",
   "execution_count": 8,
   "id": "d41291be",
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   "source": [
    "import pyaudio\n",
    "import wave\n",
    "import sys\n",
    "import time\n",
    "\n",
    "\n",
    "FORMAT = pyaudio.paInt24\n",
    "CHANNELS = 2\n",
    "RATE = 96000\n",
    "CHUNK = 1024\n",
    "RECORD_SECONDS = 60\n",
    "DEVICE_INDEX = 1\n",
    "\n",
    "WAVE_OUTPUT_FILENAME = \"output.wav\"\n",
    "\n",
    "p = pyaudio.PyAudio()\n",
    "frames = []\n",
    "\n",
    "def callback(in_data, frame_count, time_info, status):\n",
    "    frames.append(in_data)\n",
    "    return(in_data, pyaudio.paContinue)\n",
    "\n",
    "stream = p.open(\n",
    "    format=FORMAT,\n",
    "    channels=CHANNELS,\n",
    "    rate=RATE,\n",
    "    input=True,\n",
    "    input_device_index=DEVICE_INDEX,\n",
    "    frames_per_buffer=CHUNK,\n",
    "    start=False,\n",
    "    stream_callback=callback\n",
    ")\n",
    "\n",
    "def main():\n",
    "    stream.start_stream()\n",
    "\n",
    "    time.sleep(RECORD_SECONDS)\n",
    "\n",
    "    stream.stop_stream()\n",
    "\n",
    "    stream.close()\n",
    "    p.terminate()\n",
    "\n",
    "    wf = wave.open(WAVE_OUTPUT_FILENAME, 'wb')\n",
    "    wf.setnchannels(CHANNELS)\n",
    "    wf.setsampwidth(p.get_sample_size(FORMAT))\n",
    "    wf.setframerate(RATE)\n",
    "    wf.writeframes(b''.join(frames))\n",
    "    wf.close()\n",
    "\n",
    "if __name__ == '__main__':\n",
    "    main()\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "dc5900e1",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "{'index': 0, 'structVersion': 1, 'type': 8, 'name': 'ALSA', 'deviceCount': 5, 'defaultInputDevice': 1, 'defaultOutputDevice': 3}\n",
      "{'index': 0, 'structVersion': 2, 'name': 'bcm2835 Headphones: - (hw:0,0)', 'hostApi': 0, 'maxInputChannels': 0, 'maxOutputChannels': 8, 'defaultLowInputLatency': -1.0, 'defaultLowOutputLatency': 0.0016099773242630386, 'defaultHighInputLatency': -1.0, 'defaultHighOutputLatency': 0.034829931972789115, 'defaultSampleRate': 44100.0}\n",
      "{'index': 1, 'structVersion': 2, 'name': 'U-22: USB Audio (hw:1,0)', 'hostApi': 0, 'maxInputChannels': 2, 'maxOutputChannels': 2, 'defaultLowInputLatency': 0.008684807256235827, 'defaultLowOutputLatency': 0.008707482993197279, 'defaultHighInputLatency': 0.034829931972789115, 'defaultHighOutputLatency': 0.034829931972789115, 'defaultSampleRate': 44100.0}\n",
      "{'index': 2, 'structVersion': 2, 'name': 'sysdefault', 'hostApi': 0, 'maxInputChannels': 0, 'maxOutputChannels': 128, 'defaultLowInputLatency': -1.0, 'defaultLowOutputLatency': 0.0016099773242630386, 'defaultHighInputLatency': -1.0, 'defaultHighOutputLatency': 0.034829931972789115, 'defaultSampleRate': 44100.0}\n",
      "{'index': 3, 'structVersion': 2, 'name': 'default', 'hostApi': 0, 'maxInputChannels': 0, 'maxOutputChannels': 128, 'defaultLowInputLatency': -1.0, 'defaultLowOutputLatency': 0.0016099773242630386, 'defaultHighInputLatency': -1.0, 'defaultHighOutputLatency': 0.034829931972789115, 'defaultSampleRate': 44100.0}\n",
      "{'index': 4, 'structVersion': 2, 'name': 'dmix', 'hostApi': 0, 'maxInputChannels': 0, 'maxOutputChannels': 2, 'defaultLowInputLatency': -1.0, 'defaultLowOutputLatency': 0.021333333333333333, 'defaultHighInputLatency': -1.0, 'defaultHighOutputLatency': 0.021333333333333333, 'defaultSampleRate': 48000.0}\n",
      "{'index': 1, 'structVersion': 1, 'type': 7, 'name': 'OSS', 'deviceCount': 0, 'defaultInputDevice': -1, 'defaultOutputDevice': -1}\n"
     ]
    }
   ],
   "source": [
    "import pyaudio\n",
    "p = pyaudio.PyAudio()\n",
    "\n",
    "for host_index in range(0, p.get_host_api_count()):\n",
    "    print(p. get_host_api_info_by_index(host_index))\n",
    "    for device_index in range(0, p. get_host_api_info_by_index(host_index)['deviceCount']):\n",
    "        print(p.get_device_info_by_host_api_device_index(host_index, device_index))\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "4d1bca79",
   "metadata": {},
   "outputs": [],
   "source": [
    "\n"
   ]
  }
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