Koninklijke KPN has filed a patent for an orchestration system and method that allows for the orchestration of a multidevice video session. The system receives videos from multiple devices, composites them, and transmits the composite video streams to the respective devices. The system also determines groupings of devices and generates video streams with better quality for devices within the same group compared to devices from another group, based on user preferences. GlobalData’s report on Koninklijke KPN 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 Koninklijke KPN, low latency interactive streaming was a key innovation area identified from patents. Koninklijke KPN's grant share as of September 2023 was 54%. Grant share is based on the ratio of number of grants to total number of patents.
Orchestration system for multidevice video session with quality differentiation
An orchestration system for coordinating a multidevice video session has been described in a recently filed patent. The system includes a communication interface and a processor subsystem. The processor subsystem is responsible for determining the grouping of devices participating in the session and providing instructions to a composition system. These instructions specify that when generating video streams for devices in the first group, a quality-reduced version of videos from devices in the second group should be included. The quality-reduced version has at least one reduced quality characteristic compared to the videos from the first group.
The multidevice video session takes place in a virtual environment, which includes objects displaying the videos of the devices. The processor subsystem obtains positional data indicating the relative positions of these objects and uses this data to determine the grouping of devices. This is achieved by applying clustering analysis to the positional data, identifying a first cluster representing the first group and a second cluster representing the second group.
The processor subsystem can also analyze data, such as video, audio, and metadata, from the video session to identify social cues between participants. Based on the analysis, the grouping of devices can be determined. Additionally, selection data indicating a group selection for a device can be obtained to determine the grouping.
The orchestration system generates metadata indicating the grouping of videos in the video streams and provides this metadata to the composition system. The composition system, which includes a network interface and a processor subsystem, receives videos transmitted by the devices and composites them into video streams. Based on instructions from the orchestration system, the composition system includes the quality-reduced version of videos from the second group in the video streams for devices in the first group.
The composition system can reduce various quality characteristics, such as spatial resolution, temporal resolution, encoding quality, processing latency, transmission latency, and preprocessing quality when preprocessing a video. It can generate composite video streams including videos from both the first and second groups or separate video streams for the second group.
A device participating in the video session includes a camera interface, a network interface, and a processor subsystem. The device obtains video from its camera, transmits it to the composition system, and receives video streams that include videos from other devices based on the grouping. The device also receives metadata indicating the grouping and uses this metadata to render the videos of other devices according to the grouping for display.
Overall, this patent describes an orchestration system, composition system, and device for coordinating and compositing videos in a multidevice video session, allowing for the inclusion of quality-reduced versions of videos from certain groups of devices.
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