Fosi Audio announced a new sound card today with a unique feature designed to give FPS players an advantage. The C3 Gaming Sound Card, which sits outside your PC or laptop and connects with a USB-C cable, includes the company's StepSense "audio enhancement technology" powered by a model that was "trained on extensive FPS audio data." With StepSense turned on, sounds that offer positional cues for opponents, such as footsteps or vaulting noises, are boosted so they're not drowned out by the game'