An adaptive cruise traveling control system is configured to control a speed of a host vehicle at a basic speed-control mode at which a set vehicle speed is set as a desired vehicle speed for an adaptive cruise traveling control function. The pivotable parts are the handle for tightening the belt, a belt strap adjustment portion for holding the free end of the strap and for locking the handle in place, and a belt buckle tree stand attachment portion having a hook for attaching a tree stand to. The base layer and the low bit-rate layers are duplicated into a multiple base layers and multiple low bit-rate enhancement layers, respectively. The shutter assembly further includes a base plate separating the plurality of shutter blades from at least one of the drive ring and the solenoid. The spike detector further includes combining circuitry that combines at least some of the respective outputs of the cascaded filters.