Model and command set for an av/c-based disc player/recorder subunit

In a household sound structure in a network, comprising device of multiple process IEEE1394 bus interfacings, for visiting media of converter (multi-information element media player system. The multi-information element media player for multiple media information elements of the broadcast any of multiple media information element. The multi-information element media player comprises for storing the th troughs' multiple media information element media converter mechanism. Media converter model software executing on the computer system, and an and computer system by adopting method for access media converter mechanism. The performing, the computer system and process IEEE1394 network IEEE1394 information and connected with the multi-information element media of multiple device is connected, and providing standardized command for collecting the media converter mechanism. Media converter model claims a set of standardized command, and multiple network device to be access media converter mechanism and access memory to any of multiple media information element.