Wireless Earpiece Head Tracking for VR Audio Latency
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Virtual reality systems face challenges with bulky headphones that unbalance the user's head and introduce latency and noise issues due to external microphones, making it difficult to track head movements and provide real-time audio communications.
Innovation Solution
The integration of wireless earpieces with sensors such as accelerometers, gyroscopes, and microphones that detect the user's head position and orientation, reducing latency and noise by processing audio inputs directly at the earpieces, and enhancing audio content based on user movement and biometric data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If external microphones are used for audio input, then audio capture is achieved, but latency increases and noise is introduced
Solution Approach 1:
The patent extracts the microphone function from external devices and integrates it directly into the headset worn close to the user's ear. This extraction of the audio capture function to a location near the ear eliminates the latency associated with external microphones while reducing noise by capturing audio at the source.
Solution Approach 2:
The patent introduces an intermediary processing unit within the headset that handles audio signals locally before transmission. This intermediary processor reduces latency by pre-processing audio inputs near the ear rather than relying on distant external microphones, thereby improving real-time audio communication quality.
2Reliability
If bulky headphones are used for audio output, then audio coverage is improved, but head balance is disrupted and motion tracking becomes difficult
Solution Approach 1:
The patent segments the audio system into separate earpieces rather than using bulky over-ear headphones. This segmentation distributes the audio output function to lightweight in-ear components, maintaining audio quality while minimizing the mass on the user's head and enabling accurate motion tracking.
Solution Approach 2:
The patent transitions from external bulky audio devices to internal ear canal-based audio delivery. By moving the audio output dimension from external speakers to internal earpiece transducers, the system achieves effective audio coverage without adding external mass that would disrupt head balance and motion tracking.
3Measurement precision
If head movement tracking is implemented for spatial audio, then three-dimensional sound imaging is achieved, but system complexity increases
Solution Approach 1:
The patent merges the audio output and motion tracking functions into a single integrated headset unit. By combining spatial audio processing with head movement detection in one device, the system achieves three-dimensional sound imaging without proportionally increasing overall system complexity, as both functions share common processing resources.
Solution Approach 2:
The patent implements multi-functional sensors that simultaneously handle audio capture, motion detection, and position tracking. These universal sensors reduce system complexity by performing multiple functions with single components rather than requiring separate dedicated sensors for each function.
Data Source
AI summary
A system, method, and wireless earpieces for communicating with a virtual reality headset. A position and an orientation of a head of a user are detected utilizing at least wireless earpieces. Audio content is received. The audio content is enhanced utilizing the position and the orientation of the head of the user. The audio content is immediately delivered to the user. The method may further include communicating the position and the orientation of the head of the user to the virtual reality headset. The audio content may be based on the orientation and position of the head of the user.