{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "/schemas/3.1.0-beta.3/enums/watermark-media-type.json",
  "title": "Watermark Media Type",
  "description": "Media category of a content watermark. Identifies what kind of content the watermark is applied to, which determines the detection and verification methods required.",
  "type": "string",
  "enum": [
    "audio",
    "image",
    "video",
    "text"
  ],
  "enumDescriptions": {
    "audio": "Watermark applied to audio content (e.g., spread-spectrum, echo hiding)",
    "image": "Watermark applied to image content (e.g., spatial domain, frequency domain)",
    "video": "Watermark applied to video content (e.g., per-frame image watermarking, temporal watermarking)",
    "text": "Watermark applied to text content (e.g., synonym substitution, structural modification)"
  }
}