core/homeassistant/components/media_player/strings.json

{
  "title": "Media player",
  "device_automation": {
    "condition_type": {
      "is_buffering": "{entity_name} is buffering",
      "is_on": "{entity_name} is on",
      "is_off": "{entity_name} is off",
      "is_idle": "{entity_name} is idle",
      "is_paused": "{entity_name} is paused",
      "is_playing": "{entity_name} is playing"
    },
    "trigger_type": {
      "buffering": "{entity_name} starts buffering",
      "turned_on": "{entity_name} turned on",
      "turned_off": "{entity_name} turned off",
      "idle": "{entity_name} becomes idle",
      "paused": "{entity_name} is paused",
      "playing": "{entity_name} starts playing",
      "changed_states": "{entity_name} changed states"
    }
  },
  "state": {
    "_": {
      "off": "[%key:common::state::off%]",
      "on": "[%key:common::state::on%]",
      "playing": "Playing",
      "paused": "[%key:common::state::paused%]",
      "idle": "[%key:common::state::idle%]",
      "standby": "[%key:common::state::standby%]",
      "buffering": "Buffering"
    }
  }
}