{
  "patent_number": "US 12739451",
  "country": "US",
  "title": "How Video Streaming Services Deliver Content from Multiple Sources",
  "original_title": "Systems and methods for network selection for adaptive video streaming",
  "summary": "This patent describes a method for video streaming services to create a special file that tells your device where to find different parts of a video, pulling from multiple internet locations to ensure smooth playback.",
  "what_it_does": "This patent describes a system for improving adaptive video streaming by intelligently generating a manifest file. When a user's device asks for a video, the system identifies a source manifest file that outlines all the video segments, which are encoded at various quality levels (reference bitrates). The system then creates a new, 'issued' manifest file. This new file includes web addresses (URLs) that point to video segments located on different internet domains. For example, a first part of the video might come from 'cdn1.example.com' and a second part from 'cdn2.example.com'. This issued manifest file is then sent to the user's device, allowing it to fetch video parts from various sources for better performance.",
  "what_it_does_not_cover": [
    "Does not cover video streaming that does not adapt to network conditions by changing video quality (non-adaptive streaming).",
    "Does not cover the specific technical process of encoding video into different quality levels or dividing it into segments.",
    "Does not cover the client-side logic for a user device to select which video segment to request based on network conditions.",
    "Does not cover delivering all video segments for a single stream from only one internet domain or server.",
    "Does not cover the specific streaming protocols like HLS or DASH themselves, only the generation of their manifest files."
  ],
  "filed": "2025-01-18",
  "granted": "2026-09-15",
  "expires": null,
  "status": "active",
  "holder": null,
  "holder_url": null,
  "inventors": [],
  "times_cited": 0,
  "tags": [
    "telecommunications",
    "software",
    "consumer_electronics",
    "ecommerce"
  ],
  "abstract": "Techniques for serving a manifest file of an adaptive streaming video include receiving a request for the manifest file from a user device. The video is encoded at different reference bitrates and each encoded reference bitrate is divided into segments to generate video segment files. The manifest file includes an ordered list of universal resource locators (URLs) that reference a set of video segment files encoded at a particular reference bitrate. A source manifest file that indicates the set of video segment files is identified based on the request. An issued manifest file that includes a first URL and a second URL is generated based on the source manifest file. The first URL references a first domain and the second URL references a second domain that is different from the first domain. The issued manifest file is transmitted to the user device as a response to the request.",
  "url": "https://patentbrief.org/patent/us/12739451/systems-and-methods-for-network-selection-for-adaptive-video-streaming",
  "markdown_url": "https://patentbrief.org/patent/us/12739451/systems-and-methods-for-network-selection-for-adaptive-video-streaming/md",
  "google_patents_url": "https://patents.google.com/patent/US12739451",
  "relatedPatents": []
}