Spatial Audio Area Shaping for Context-Aware Sound Reproduction
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Solution Overview
Problem
Current audio processing techniques fail to account for spatial attributes and contextual or environmental factors in sound reproduction, leading to unrealistic simulations of real-world audio behavior in virtual environments.
Innovation Solution
A system and process for dynamically identifying, sizing, and shaping spatial audio areas based on environmental factors and audio source attributes, such as user position, intent, and ambient objects, to replicate real-world sound behavior.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If predefined spatial areas are manually defined and controlled by users, then ease of operation is improved, but adaptability to real-time environmental changes deteriorates
Solution Approach 1:
The patent implements dynamic spatial audio area definition where the system automatically adjusts spatial audio boundaries based on real-time detection of user positions, movements, and environmental factors. The spatial audio areas transition from static predefined regions to dynamic regions that adapt continuously to changing conditions, resolving the contradiction between ease of operation and adaptability.
Solution Approach 2:
The system performs self-service by automatically detecting user positions, identifying spatial relationships, and defining spatial audio areas without requiring manual user input or configuration. The system monitors environmental changes and autonomously adjusts audio reproduction parameters, eliminating the need for users to manually define spatial areas while maintaining high adaptability.
2Device complexity
If fixed sound reproduction parameters are used in virtual environments, then device complexity is reduced, but measurement precision of spatial audio behavior deteriorates
Solution Approach 1:
The patent dynamically changes sound reproduction parameters based on detected spatial attributes and environmental factors. Instead of using fixed parameters, the system adjusts audio characteristics such as spatial position, volume, and directional properties in real-time to accurately replicate real-world audio behavior, thereby improving measurement precision without requiring overly complex device architecture.
3Adaptability or versatility
If automated spatial audio area definition is implemented, then adaptability to environmental changes is improved, but device complexity increases
Solution Approach 1:
The patent replaces complex manual configuration mechanisms with automated detection and processing systems. Instead of requiring users to manually define spatial areas through complex interfaces, the system uses sensors and algorithms to automatically detect user positions, identify spatial relationships, and generate appropriate spatial audio areas, reducing the operational complexity while maintaining high adaptability.
Data Source
AI summary
Spatial audio processing allows for the replication of real-world audio behavior. In some cases, audio sources may be associated with respective spatial audio areas that define which other individuals or objects are recipients of audio generated by the respective audio source. For example, individuals or objects within a spatial audio area will receive audio generated by an associated audio source, but not individuals or objects outside of that spatial audio area. These spatial audio areas may be dynamically re-shaped, re-sized, and/or re-located based on contextual analysis includes clustering analysis and evaluating ambient attributes and user intent. Contextual cues may include grouping of audio sources or a purpose of the environment, while ambient attributes may include characteristics of environmental objects (e.g., furniture) as well as temperature, ambient noise levels, and the like. Additionally, in some examples, user intent may be discerned based on movements and audio content.