It seems like all the add on HDTV recorders only use a firewire input. Most sat or cable STB's don't have that as an output option. Am I missing something? I would like to find a way of recording HD on BEV.
No PVR can record from HDMI or DVI. Recording HD from BEV would require a PVR with a BEV tuner, modified BEV receiver with either firewire or USB 2.0 port, expensive PC solution with encoder, or W-VHS VCR which can record from component video.
Before someone brings up the new Mits unit, it does have an HDMI input but it is only for switching. The input cannot be recorded on the disk drive.
The reason is that HDMI (and DVI) are full-bandwidth uncompressed video transport formats. In order to store a reasonable length program in any existing PC HDD the data would need to be compressed in real time. Currently there are no cost-effective solutions for this (unless youare a TV station and cost effective means $100K or more).
Firewire/1394/iLink can be used to transfer a video data stream if the data is kept in it's compressed form as recieved and recorded to a HDD. This requires a data uncompressor (expander) for playback.
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