Wearable VR Audio Mixing for Real-World Awareness
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Solution Overview
Problem
Conventional virtual and augmented reality systems interfere with users' perception of the real world, causing them to miss important events or be unaware of their surroundings, as they are unable to hear important notifications or perceive their environment effectively while engaged in simulations.
Innovation Solution
A wearable simulation system that acquires sensor data from the environment and selectively mixes real-world audio with simulation audio using various protocols, allowing important sounds from the environment to be incorporated into the simulation, thereby reducing interference and enhancing situational awareness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional VR systems completely immerse the user in a simulation, then the user experiences full immersion in the virtual environment, but the user cannot perceive real-world events or surroundings
Solution Approach 1:
The system dynamically adjusts the mixing of real-world and simulation audio based on detected events. During normal simulation, virtual audio dominates for full immersion. When a real-world event is detected via sensor data, the system dynamically increases real-world audio volume and applies protocol-specific mixing rules, allowing the audio environment to adapt between fully immersive and situationally aware states
Solution Approach 2:
The audio output is segmented into distinct channels: simulation audio channel and real-world audio channel. Each channel can be independently controlled and mixed according to different protocols based on the detected situation, allowing selective enhancement of real-world sounds without completely disabling the simulation audio
2Loss of information
If conventional AR systems allow real-world audio to pass through, then the user maintains awareness of the environment, but the simulation audio is obscured or interfered with
Solution Approach 1:
The system dynamically adjusts audio mixing based on detected events and protocol requirements. During normal operation, real-world audio passes through with simulation audio augmented. When a specific event is detected, the system dynamically modifies the mix according to protocol priorities, potentially suppressing real-world audio temporarily to ensure simulation audio clarity when needed
3Loss of information
If the system incorporates real-world sensor data into the simulation, then the user maintains situational awareness, but the simulation experience is interfered with
Solution Approach 1:
The system applies different audio mixing qualities to different sound sources based on their importance. Critical real-world sounds (notifications, alerts) receive enhanced treatment with specific protocols that prioritize them over simulation audio. Less critical sounds maintain normal mixing ratios, preserving simulation integrity while still providing situational awareness for important events
Data Source
AI summary
A wearable simulation system worn by a user outputs optical and acoustic signals that cause the user to perceive a simulation. The simulation may be an immersive virtual world or, alternatively, an augmentation to the real world. The wearable simulation system also captures acoustic and optical signals from the environment around the user and then selectively incorporates these signals into the simulation. Accordingly, the user may perceive the environment to a limited extent, while still remaining engaged with the simulation. At least one advantage of the disclosed techniques is that the wearable simulation system does not completely interfere with user perception of the environment, thereby reducing the risk of the user missing important real-world events or being otherwise unaware of such real-world events.