{
  "name": "在线音频和频率发生器",
  "short_name": "在线音频和频率发生器",
  "description": "生成正弦波、方波、三角波和锯齿波。使用 20Hz 至 20kHz 的频率测试您的扬声器、耳机或低音炮。",
  "start_url": "/zh/utilities/categories/hardware-tools/tone-frequency-generator/",
  "scope": "/zh/utilities/categories/hardware-tools/tone-frequency-generator/",
  "icons": [
    {
      "src": "/images/utilities/generador-tonos.webp",
      "sizes": "512x512",
      "type": "image/webp",
      "purpose": "any"
    }
  ],
  "theme_color": "#0f172a",
  "background_color": "#0f172a",
  "display": "standalone",
  "orientation": "portrait"
}