A method for reducing crosstalk in a headset connected to an audio device, in which the includes a left headphone, a right headphone and a common ground for the left headphone and the right headphone includes determining a frequency dependent impedance of the headset. At the outlet, there is a bend or a loop designed to maintain a fluid level in the separator. A conduit fluidly couples the supply of oxidizer and the nozzle. It also may be exercised only when a) one or more players are \u201call-in\u201d on a hand, and b) when this player’s PokerSurance\u2122 wager is determined to be appropriate for the player and accepted by the Dealer. Specifically, the present invention provides pyrrolo sulfonamide compounds of Formula and the enantiomers, diastereomers, tautomers, solvates and pharmaceutically acceptable salts thereof. Disclosed embodiments may image a test article from two or more perspectives through a substantially transparent fiducial plate bearing a fiducial marking; camera viewing angles and apparent relative distances between a feature on a test article and one or more fiducials may enable accurate calculation of feature position.