UWB Transceiver Audio Link for Low Latency Gaming Headsets
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Solution Overview
Problem
Gaming headphones require low latency wireless connections to support stereo audio, microphone return audio, and data channels for immersive gaming experiences, but existing solutions often compromise on audio quality and latency due to interference and power consumption.
Innovation Solution
The implementation of an ultrawideband (UWB) frequency range for bi-directional communication between gaming headphones and computing devices, utilizing two UWB transceivers for dedicated host and headphone connections, enabling low latency and high-quality audio transmission with support for head tracking and status updates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If wireless connection is used for gaming headphones, then convenience and mobility are improved, but latency increases and audio quality deteriorates
Solution Approach 1:
The wireless connection is segmented into multiple dedicated channels: a first wireless channel for audio transmission and a second wireless channel for data transmission. This segmentation allows each channel to be optimized for its specific purpose, with the audio channel prioritizing low latency and the data channel handling control information, thereby resolving the latency issue while maintaining wireless convenience.
Solution Approach 2:
A wireless audio controller acts as an intermediary device between the audio source and the gaming headphones. This controller manages the audio stream, applies necessary processing, and transmits it via the first wireless channel, while separately managing data transmission via the second wireless channel. The intermediary approach enables optimized audio and data transmission paths, reducing overall system latency.
2Adaptability or versatility
If multiple wireless channels are used for audio and data transmission, then functionality is improved, but device complexity increases
Solution Approach 1:
The wireless audio controller and gaming headphones are equipped with transceivers that can operate across multiple frequency ranges (e.g., 2.4 GHz, 5 GHz, 6 GHz). This multi-functionality allows the same hardware to handle both audio transmission and data transmission across different channels, reducing the need for separate dedicated hardware for each function and thereby managing device complexity while maintaining versatility.
Solution Approach 2:
The system dynamically selects and switches between different wireless channels and frequency ranges based on real-time conditions such as interference levels, distance, and traffic. This dynamic adaptation allows the system to optimize performance without requiring complex static configuration, as the transceivers automatically adjust their operation to balance audio quality and data transmission requirements.
3Loss of time
If low latency connection is implemented, then gaming performance is improved, but power consumption increases
Solution Approach 1:
The system employs periodic action in the data transmission channel, where status updates and control data are transmitted at optimized intervals rather than continuously. The frequency of data transmission is dynamically adjusted based on game requirements and connection conditions, maintaining low latency for critical audio synchronization while reducing power consumption during periods when full real-time data exchange is not necessary.
Data Source
AI summary
In at least one embodiment, an audio system is provided. At least one controller is programmed to encode a first and second audio component and to generate a first and a second encoded audio component. The at least one controller is programmed to apply a first gain to at least one of the first encoded audio component and the second encoded audio component to generate at least one of a first and second increased encoded audio component and to decode the at least one of the first and the second increased encoded audio component to generate at least one of a first and second decoded audio component. The at least one controller is further programmed to amplitude pan the at least one of the first and the second decoded audio component to increase a stereo width for an audio output transmitted by a first loudspeaker and a second loudspeaker.