The present invention relates generally to encoding samples. A motion sensor is disposed about the microenvironment. In the preferred embodiment, the plurality of devices are adapted to respond to a first message by sending a network message to the controller, and the devices are adapted to monitor their received transport stream and respond to changes by sending a second network message to the controller. A spring is secured at a lower end thereof to the stationary unit and secured at an upper end thereof to the vibratory unit, thus elastically supporting the linear motion of the vibratory unit. Morning Mist is characterized by an unusually high number of sturdy, red fruiting culms borne at a consistent height above dense gently arching foliage. The cipher-based message authentication code is generated by retaining the bytes of at least one row of the state array.