Spatial Audio Transition Apparatus for Immersive Environments
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Solution Overview
Problem
The effective and efficient management of spatial audio in augmented and virtual reality environments is challenging, as existing technologies struggle to seamlessly transition audio tracks from spatial audio to monophonic or stereophonic formats based on user movement and location, affecting the immersive experience.
Innovation Solution
An apparatus and method that utilize processor-based audio processing to change the presentation of audio tracks from spatial audio to monophonic or stereophonic audio when the user is within a predetermined distance of a particular location, using techniques like head-related-transfer-function filtering and vector-base-amplitude panning, and allow user input for gesture-based changes in audio distribution, enabling the user to 'pick up' audio tracks and maintain them without spatial audio modifications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If spatial audio is continuously applied to all audio tracks regardless of user location, then immersive experience is improved, but computational complexity and energy consumption increase
Solution Approach 1:
The system applies spatial audio processing selectively based on user proximity to audio sources. When the user is within a predetermined distance of an audio track's location, spatial audio effects are applied to enhance immersion. When the user moves beyond this distance, the system transitions to simpler monophonic or stereophonic presentation, reducing computational load while maintaining acceptable audio quality.
Solution Approach 2:
The audio presentation mode dynamically transitions between spatial audio, stereophonic audio, and monophonic audio based on real-time user location relative to audio sources. This dynamic adaptation allows the system to optimize computational resources by applying complex spatial processing only when necessary for immersive experience, rather than continuously for all audio tracks.
2Manufacturing precision
If spatial audio effects are applied when user is distant from audio source, then audio fidelity is maintained, but user experience deteriorates as user cannot 'pick up' audio tracks
Solution Approach 1:
The system provides different audio presentation qualities based on user proximity to audio sources. When the user is close to an audio source, spatial audio effects are applied to maintain high audio fidelity and immersion. When the user moves away, the system transitions to monophonic or stereophonic presentation, which, while slightly reducing spatial accuracy, enables the user to continue listening to audio tracks as they move through the environment, effectively allowing them to 'pick up' audio tracks.
3Extent of automation
If audio tracks are automatically switched from spatial to monophonic/stereophonic based on distance, then system automation is improved, but user control over audio presentation is reduced
Solution Approach 1:
The system continuously monitors user location relative to audio sources and automatically adjusts audio presentation format accordingly. This feedback mechanism enables seamless transitions between spatial audio, stereophonic audio, and monophonic audio modes. The system provides user control options to manually adjust these settings or set preferences for automatic switching, balancing automation with user flexibility and adaptability.
Data Source
AI summary
An apparatus, based on a first audio track of at least one audio track, the first audio track audibly presented to the user as spatial audio such that it is perceived to originate from a particular location and based on the user being within a predetermined distance of the particular location; configured to provide for a change in the audible presentation of the first audio track to the user from presentation as spatial audio to presentation as at least one of monophonic and stereophonic audio.