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An external adapter would typically be connected to sources of uncompressed video, using interfaces such as HDMI or component/composite video. Alternatively, direct connections to cable, satellite or terrestrial tuner/demod ICs allow broadcast TV to be streamed wirelessly through the home to any device.
By compressing the standard TV output of these devices, users can access the same user interface menus, Extended Program Guides and features of their existing equipment, using an Infra-Red "blaster" or the new CEC feature of HDMI 1.3 to emulate remote control commands.
By adding industry-standard media sharing and streaming middleware, such as DLNA, to an embedded ARM processor, content can be shared and streamed across a home network, allowing it to be viewed on any PC, games console, digital media adapter, or set-top-box around the home.
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