Brightcove has patented a method for creating low latency DASH video streams from low latency HLS streams for live events. The process involves converting the HLS stream to a DASH stream without re-encoding, providing efficient reformatting. GlobalData’s report on Brightcove gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Brightcove, Low latency interactive streaming was a key innovation area identified from patents. Brightcove's grant share as of April 2024 was 67%. Grant share is based on the ratio of number of grants to total number of patents.
Method for converting ll-hls to ll-dash video streams
A recently granted patent (Publication Number: US11949945B2) outlines a method and system for creating low-latency video streams for live events. The method involves retrieving a first low-latency video stream using LL-HLS technology and converting it into a second low-latency video stream utilizing LL-DASH. This conversion process includes reformatting the video chunk files without reencoding them, ensuring minimal delay between receiving and rendering the video streams on user devices. Additionally, the system described in the patent includes a low-latency HLS converter and a LL-HLS to LL-DASH converter to facilitate this process efficiently.
Furthermore, the patent details the use of manifest files in both the first and second low-latency video streams, with the LL-HLS stream employing a manifest file known as the m3u8 file. The conversion from LL-HLS to LL-DASH involves transforming the m3u8 file into a metadata file called the Media Presentation Description (MPD) file. This innovative approach aims to optimize the delivery of low-latency video streams for live events, catering to a multitude of user devices and ensuring a seamless viewing experience with minimal latency.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
