This page seems fairly old, but it says:
Has anyone ever seen one of these "special" set-top boxes that converts the QAM cable signals into 8vsb? or did I misread that? (point: for hipix/myhd/access/etc cable HD timeshifting).
|"S-A is now building a special Explorer 2000 set-top with full HDTV decoding." Converting VSB to QAM at the headend [S-A builds the converters], the QAM is returned to VSB in the box. He explained, "We figure the people who do have HDTV sets today can afford to get a special box designed for them. We're shipping the device now."|