Apparatus and method for audio-visual rendering

JP2025524950A5Pending Publication Date: 2026-07-21KONINKLIJKE PHILIPS NV
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
KONINKLIJKE PHILIPS NV
Filing Date
2023-07-26
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Existing audio-visual rendering technologies for extended reality applications in mobile environments, such as vehicles, face challenges in accurately adapting to complex movements, leading to suboptimal user experiences due to conflicts between sensory inputs and increased complexity in processing and resource usage.

Method used

An apparatus and method that includes a receiver for audio-visual data, a vehicle motion signal, a relative user motion signal, a predictor to generate predicted relative user motion, a residual signal generator, and a viewing pose determiner to differentiate between intentional and involuntary user movements, enabling improved rendering by accounting for vehicle motion.

Benefits of technology

Enhances user experience by reducing the impact of vehicle motion on the rendered scene, improving flexibility and efficiency in processing, and providing a more accurate and adaptable audio-visual experience, particularly in vehicles.

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Abstract

An apparatus includes a receiver 101 that receives audio-visual data representing a scene. Sources 105, 107 supply a vehicle motion signal indicating the motion of a vehicle and a relative user motion signal indicating the motion of a user relative to the vehicle. A predictor 109 generates a predicted relative user motion signal by applying a prediction model to the vehicle motion signal. A residual signal generator 111 generates a residual user motion signal indicating a residual between the predicted relative user motion signal and the received relative user motion signal. A viewing posture determiner 113 determines a viewing posture with different dependencies on the predicted relative user motion signal and the residual user motion signal. A renderer 103 renders an audio-visual signal regarding the viewing posture from the audio-visual data. This approach can provide an improved user experience that can correct or include the influence of the user's motion caused by the motion of the vehicle.
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