A continuously variable transmission metal belt includes a metal ring assembly and metal elements. Receipt of a request to establish the communication channel is responded to by determining whether a license for a media type associated with the communication channel is allocated to the service provider terminal. The integrated circuit further comprises an audio input port having a first and a second input terminal for connection to a first and a second output terminal of an audio input source. According to other aspects, the games can be played by users in the course of, or with very little effort in addition to casually surfing the web. The invention further provides a method for transmitting audio andor video data, comprising the steps of determining the generic type of a receiving means; compressing the audio andor video data with a compression algorithm corresponding to the determined type of the receiving means; and transmitting the compressed audio andor video data to the receiving means. An electric motor drives the translatable nuts fore and aft, and a fail-safe device that includes a motor control switch operated by the fore and aft movements of two of the nuts limits misalignment of the two pedals due to adjustments.