A video compression algorithm for converting a digital video stream having video content into a compressed video bitstream, includes rate control to control the size of the compressed video bitstream. Each link bus is substantially the same and adheres to a predefined link bus protocol. The measure of enforcement may include a warning message or denial of resources. The exhaust treatment device is configured to remove particulate matter from an exhaust flow of the engine. The voltage detecting circuit detects the charge voltage of the capacitor.