Definitions for "Perceptible"
Capable of being perceived; cognizable; discernible; perceivable.
capable of being perceived by the mind or senses; "a perceptable limp"; "easily perceptible sounds"; "perceptible changes in behavior"
easily perceived by the senses or grasped by the mind; "a perceptible sense of expectation in the court"; "an obvious (or palpable) lie"
At or above the threshold of audibility of a trained listener.