AVCHD - Recording High Definition Digital Video on a Standard DVD
AVCHD was developed jointly by Matsushita (Panasonic), and Sony Corporation. AVCHD recordings made on MiniDVD discs can be played back on some Blu-ray disc players. However, AVCHD recordings cannot be played back on current standard DVD players. Also, standard DVD recorders are not currently equipped to record DVDs in the AVCHD format, but since this technology has been implemented on some DVD camcorders and in PC video editing programs, if Sony, Panasonic, or others wish it, it could certainly be added to the recording format mix of a standard DVD recorder. However, the cost to add such a feature to a DVD recorder would certainly increase the price of such a recorder for the consumer. For a more in-depth look at this new digital video recording format, check out the Official AVCHD Specifications Page.

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I have the Philips HDD & those ass holes @ Dir TV made sure you can not hook it up to record HDTV