14. The at least one tangible computer-readable storage medium of claim 13 , wherein if the quality of the input signal is determined in the act (A) to be high, then the act (B) comprises increasing a baseline rejection threshold.
13. The at least one tangible computer-readable storage medium of claim 10 , wherein the act (A) comprises determining quality of the input signal in relation to a specified level of quality, a high level of quality being greater than the specified level of quality.