Audio Processing Device for Dynamic VR Speaker Calibration
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Solution Overview
Problem
In virtual reality (VR) environments, speakers with fixed locations fail to adjust audio output in response to user movement, degrading the audio experience and requiring professional setup for optimal surround sound effects.
Innovation Solution
An audio processing device with a processor, memory, and transceiver that collects audio positioning signals from speakers to determine their locations and adjusts audio content based on these positions, using space transfer functions to modify audio features like loudness and direction, ensuring immersive surround sound without professional installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If speakers are positioned at fixed locations, then the system structure is simple and stable, but the audio output cannot adapt to user movement in VR environments
Solution Approach 1:
The system dynamically adjusts audio output parameters based on real-time detection of user position and speaker locations. The processor continuously calculates transfer functions and modifies audio signals to account for changing spatial relationships, transforming a static system into an adaptive one without requiring physical speaker movement
Solution Approach 2:
Instead of mechanically moving speakers to track user position, the system uses signal processing substitution. The processor applies transfer functions to modify audio characteristics, replacing the need for physical repositioning with computational audio adjustment
2Reliability
If professional setup is required for optimal surround sound, then audio quality is high, but ease of operation deteriorates
Solution Approach 1:
The system performs self-calibration by automatically detecting speaker locations through audio positioning signals and determining user position via position information. The processor autonomously calculates optimal audio parameters and applies transfer functions without requiring professional intervention, enabling ordinary users to achieve high-quality surround sound
Solution Approach 2:
The system pre-calculates transfer functions based on detected speaker and user positions, preparing optimized audio parameters in advance. This preliminary processing ensures high audio quality is immediately available when VR content is played, without requiring real-time professional adjustment
3Measurement precision
If speaker locations are not detected, then device complexity is low, but measurement precision of audio positioning is insufficient
Solution Approach 1:
The audio processing device performs multiple functions: it processes VR audio content, detects speaker locations through audio positioning signals, determines user position, and applies transfer functions. This multi-functionality achieves precise measurement without requiring separate specialized detection equipment for each function
Data Source
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AI summary
The disclosure provides an audio processing device, an audio processing method for controlling a plurality of speakers, and a computer program product. The audio processing device includes a memory, a transceiver, and a processor. The memory stores a plurality of modules. The transceiver is wirelessly paired with a plurality of speakers. The processor executes the modules to perform following steps: requesting each of the speakers to output an audio positioning signal; collecting the audio positioning signal from each of the speakers; retrieving a location of each of the speakers relative to the audio processing device according to the audio positioning signal from each of the speakers; adjusting a plurality of audio contents based on the location of each of the speakers relative to the audio processing device; and sending the audio contents to the speakers to control the speakers outputting the audio contents.