Originally Posted by pvaudio
No. Objective is that the stiffness of the string is x. Its dwell time depends on the stroke type, the frame, tension, etc. It's a feeling, and cannot be measured. People on here often say x string has great dwell time, and then others disagree. If it was objective, then there wouldn't be a disagreement.
Most people here are not pros with a highly developed sense of feel.
Dwell time can and has been measured with high-speed photography and is about 4 milliseconds.