{
  "name": "オンライン・トーン＆周波数ジェネレーター",
  "short_name": "オ",
  "description": "正弦波、矩形波、三角波、鋸歯状波を生成します。20Hzから20kHzまでの周波数で、スピーカー、ヘッドフォン、またはサブウーファーをテストできます。",
  "start_url": "/ja/utilities/categories/hardware-tools/tone-frequency-generator/",
  "scope": "/ja/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"
}