How can I make cable box transmit signal over HDMI AND Component output at the same

BorisA

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time (keywords:same time)? I have 3 items to connect: Magnavox 37MF231D/37B, my Scientific Atlanta Explorer 4250HD cable box and my Slinbox Pro HD (300-100)
I have stumbled upon a problem: when cable box connects to TV via HDMI cable, it blocks out all other video outputs such as component video, so I cannot use it to connect it to my Slingbox. I can not use component (blue,green and blue) and composit (red and white) audio cable to connect to my tv, since this combination creates sort of a loud static noise from my tv speakers (no problem though when I connect it via HDMI or Coax). So I need to figure out a way to connect my cable box to tv via hdm and at the same time connect to my slingbox via component cable.

Does this mean I am going to have to purchase 2 additional things:
http://cgi.ebay.com/3-RCA-RGB-Component-Video-Splitter-Cable-1M-to-2F-HDTV_W0QQitemZ140295608028QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item140295608028&_trksid=p3286.c0.m14&_trkparms=72%3A1234%7C66%3A2%7C65%3A12%7C39%3A1%7C240%3A1318%7C301%3A0%7C293%3A1%7C294%3A50 - this is a component signal splitter.
and then something like this: http://www.newegg.com/Product/ShowImage.aspx?Image=79-261-084-01.jpg&S7ImageFlag=0&WaterMark=1&Item=N82E16879261084&Depa=0&Description=SONY%20Component%20AV%20Cable%20for%20PLAYSTATION3 - to convert component into hdmi (for tv)?

this seems like it will work, I am just worry about signal loss when i connect all those together. Any ideas as to what I can do or how can I simplify this. Hack the cable box may be??? :)

Also can I connect using USB, or this isnt so good for video?
 
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