{
  "api": {
    "SpeechSynthesisVoice": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/SpeechSynthesisVoice",
        "spec_url": "https://wicg.github.io/speech-api/#speechsynthesisvoice",
        "tags": [
          "web-features:speech-synthesis"
        ],
        "support": {
          "chrome": {
            "version_added": "33"
          },
          "chrome_android": "mirror",
          "edge": {
            "version_added": "14"
          },
          "firefox": {
            "version_added": "49",
            "notes": "In Firefox, speech synthesis voices do not start loading until after the first call to `window.speechSynthesis.getVoices()`. A way to mitigate this issue is to call the method at the beginning of page load, then wait a few seconds before calling the method again. Voices will remain loaded until all tabs that have called this method have been closed."
          },
          "firefox_android": {
            "version_added": "62"
          },
          "ie": {
            "version_added": false
          },
          "oculus": "mirror",
          "opera": {
            "version_added": "21"
          },
          "opera_android": {
            "version_added": false
          },
          "safari": {
            "version_added": "7"
          },
          "safari_ios": "mirror",
          "samsunginternet_android": {
            "version_added": "3.0"
          },
          "webview_android": {
            "version_added": false,
            "impl_url": "https://crbug.com/40417848"
          },
          "webview_ios": "mirror"
        },
        "status": {
          "experimental": false,
          "standard_track": true,
          "deprecated": false
        }
      },
      "default": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/SpeechSynthesisVoice/default",
          "spec_url": "https://wicg.github.io/speech-api/#dom-speechsynthesisvoice-default",
          "tags": [
            "web-features:speech-synthesis"
          ],
          "support": {
            "chrome": {
              "version_added": "33"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "49"
            },
            "firefox_android": {
              "version_added": "62"
            },
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "21"
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": "7"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": {
              "version_added": "3.0"
            },
            "webview_android": {
              "version_added": false
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "lang": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/SpeechSynthesisVoice/lang",
          "spec_url": "https://wicg.github.io/speech-api/#dom-speechsynthesisvoice-lang",
          "tags": [
            "web-features:speech-synthesis"
          ],
          "support": {
            "chrome": {
              "version_added": "33"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "49"
            },
            "firefox_android": {
              "version_added": "62"
            },
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "21"
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": "7"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": {
              "version_added": "3.0"
            },
            "webview_android": {
              "version_added": false
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "localService": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/SpeechSynthesisVoice/localService",
          "spec_url": "https://wicg.github.io/speech-api/#dom-speechsynthesisvoice-localservice",
          "tags": [
            "web-features:speech-synthesis"
          ],
          "support": {
            "chrome": {
              "version_added": "33"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "49"
            },
            "firefox_android": {
              "version_added": "62"
            },
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "21"
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": "7"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": {
              "version_added": "3.0"
            },
            "webview_android": {
              "version_added": false
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "name": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/SpeechSynthesisVoice/name",
          "spec_url": "https://wicg.github.io/speech-api/#dom-speechsynthesisvoice-name",
          "tags": [
            "web-features:speech-synthesis"
          ],
          "support": {
            "chrome": {
              "version_added": "33"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "49"
            },
            "firefox_android": {
              "version_added": "62"
            },
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "21"
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": "7"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": {
              "version_added": "3.0"
            },
            "webview_android": {
              "version_added": false
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "voiceURI": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/SpeechSynthesisVoice/voiceURI",
          "spec_url": "https://wicg.github.io/speech-api/#dom-speechsynthesisvoice-voiceuri",
          "tags": [
            "web-features:speech-synthesis"
          ],
          "support": {
            "chrome": {
              "version_added": "33"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "49"
            },
            "firefox_android": {
              "version_added": "62"
            },
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "21"
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": "7"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": {
              "version_added": "3.0"
            },
            "webview_android": {
              "version_added": false
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}