The invention relates to a touch-sensing device comprising an interaction surface with a touch location system for determining a touch position based on an acoustic signal. The system also has a plurality of handheld portable recording-delivery devices which are coupled to the network. Additionally, a method of determining the vibrational characteristics of the spokes of a non-pneumatic tire and wheel assembly is included. The sensing assemblies include a reflectance detector and a transmission detector which are disposed on opposed sides of the passing note. The memory is coupled to the processor and is configured to provide the processor with instructions. An actual value of the vehicle operating parameter is determined during a current vehicle operating condition.