{
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    {
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     "output_type": "stream",
     "text": [
      "\n",
      "        采样设备：\n",
      "            - 设备类型：音频输入\n",
      "            - 序号：20\n",
      "            - 名称：扬声器 (Realtek(R) Audio) [Loopback]\n",
      "            - 最大输入通道数：2\n",
      "            - 默认低输入延迟：0.003s\n",
      "            - 默认高输入延迟：0.01s\n",
      "            - 默认采样率：48000.0Hz\n",
      "            - 是否回环设备：True\n",
      "\n",
      "        音频样本块大小：2400\n",
      "        样本位宽：2\n",
      "        音频数据格式：8\n",
      "        音频通道数：2\n",
      "        音频采样率：48000\n",
      "        \n"
     ]
    }
   ],
   "source": [
    "import sys\n",
    "import os\n",
    "\n",
    "current_dir = os.getcwd() \n",
    "sys.path.append(os.path.join(current_dir, '../caption-engine'))\n",
    "\n",
    "from sysaudio.win import AudioStream\n",
    "\n",
    "stream = AudioStream()\n",
    "stream.printInfo()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "d4c8ad80",
   "metadata": {},
   "outputs": [],
   "source": [
    "stream.openStream()\n",
    "SEC = 2\n",
    "for i in range(SEC * 20):\n",
    "    data = stream.stream.read(stream.CHUNK) # type: ignore\n",
    "    "
   ]
  }
 ],
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