Gaming Headset Chat Gain Control Without Losing Stereo Cues
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Solution Overview
Problem
Current multiplayer gaming headsets with single-ear microphones limit the gaming experience by reducing positional sound cues to mono, causing voice communication issues due to loud game sound dynamics, and suffer from interference and lack of audible feedback, leading to poor voice intelligibility and increased speaking volume.
Innovation Solution
A gaming headset system with a controller that separates game audio and chat-voice signals, using an envelope detector and variable-gain stage to dynamically adjust chat-voice volume with game audio levels, and optocouplers to decouple signals, along with HRTF processing to position chat audio outside the stereo plane, ensuring clear voice communication without affecting game sound dynamics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a single-ear headphone with microphone is used for voice communication, then one ear is free to hear communication from other players, but positional sound cues are lost because the sound is reduced to a mono signal
Solution Approach 1:
The patent divides the audio output into separate channels: game audio and chat audio. The game audio is output to both ears in stereo to preserve positional cues, while chat audio is directed to a single earpiece with microphone, enabling both stereo gaming and voice communication simultaneously without mixing the signals.
2Illumination intensity
If the game sound volume is increased to improve the sonic experience, then the game audio becomes more immersive, but the voice communication signals cannot be heard over the loud game sound
Solution Approach 1:
The patent separates game audio and chat audio into distinct output channels. Game audio plays through both earpieces at high volume for immersive experience, while chat audio is routed separately to one earpiece with an integrated microphone, allowing players to communicate clearly even during loud game passages without sacrificing game audio quality.
3Illumination intensity
If the game sound is turned up loud to improve the sonic experience, then the game audio becomes more immersive, but the game sound is picked up by the headset microphone and fed back to other players
Solution Approach 1:
The patent routes game audio to both earpieces while directing microphone pickup primarily to the non-dominant ear, creating a spatial separation between game sound output and microphone input. This segmentation prevents game sound from being picked up by the microphone, eliminating feedback to other players even at high volumes.
Solution Approach 2:
The patent introduces an intermediary processing stage that separates game audio and microphone audio paths. The game audio is processed and output to both ears, while the microphone captures only ambient voice communication, with the two paths kept distinct to prevent game sound from contaminating the microphone signal.
4Loss of information
If the chat volume is increased to make voices audible during loud game passages, then voice communication becomes intelligible, but the chat volume must be constantly adjusted as game level varies
Solution Approach 1:
The patent implements dynamic chat volume adjustment that automatically varies with game audio levels. When game sound is loud, chat volume increases proportionally to maintain intelligibility; when game sound decreases, chat volume reduces accordingly. This dynamic adaptation eliminates the need for manual volume adjustments during gameplay.
Solution Approach 2:
The patent uses the game audio signal as feedback to automatically control chat volume levels. The system monitors game sound intensity and adjusts chat output volume in real-time based on this feedback, ensuring chat remains audible during loud passages while preventing it from overwhelming quieter game moments, all without player intervention.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system maintains clear voice communication during varying game sound levels, reduces interference, and provides audible feedback, enhancing the gaming experience by ensuring chat voices remain intelligible and at a consistent volume, while preserving the original game audio dynamics.
Implementation Method 1
optocouplers decouple the voice-chat and microphone signals from the gaming unit
Implementation Method 2
using an envelope detector and variable-gain stage to dynamically adjust chat-voice volume with game audio levels
Implementation Method 3
along with HRTF processing to position chat audio outside the stereo plane
Data Source
AI summary
A gaming unit and producing a game-audio output of a varying volume level and a chat-voice output is connected to headphones adapted to be worn by a player of the unit and connected to the gaming unit for making the chat-voice output and the game-audio output audible to the player. A circuit or software associated with the headphones can increase the chat-voice volume level generally proportionately to the game-audio volume level.