The motor speed detection apparatus detects rotational speed of a motor. Specifically, the system and method provides a means for various studios, dvd player manufacturers, dvd standards specification providers, authoring facilities, and dvd standards tool developers to each provide and receive input, preferably in realtime, about research, development, and production issues, problems and solutions. The buried alignment mark may be revealed by mapping the thickness of covering layers in its vicinity, e. In one aspect, the UE may receive a pre-allocation of power associated with a non-empty non-scheduled MAC-d flow. The PMIC and the PDIC each include their own offset, gain and sample-and-hold circuitry. Correlation may be determined with respect to different respective layers within a communication device.