TV Tuner Card to Record multiple channels simultaneously

Hi. I,ve built a delphi application to record  a TV Tuner channel from a TV Tuner card. Im using the VideoGrabber component from Datastead (http://www.dataetead.com). It works good.

But now I need to record more then one tv channel, up to four, simultaneously.

Is it possible to do that with a single TV Tunner card? If so , how can I do that?
Thank You
vetrixicodeAsked:
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Gary CaseRetiredCommented:
"... Is it possible to do that with a single TV Tunner card? " ==> No.

You can easily record multiple channels at once => but NOT with a single tuner card :-)

You have to have a tuner for each channel you want to record.   For example, my HTPC can record six channels at once => but I have two Hauppauge 500's (dual tuner cards) and an HD HomeRun (dual HD tuners).

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TheRealLokiSenior DeveloperCommented:
no, you can ony get 1 channel at a time. If you use multuiple tv tuner cards, you will probably not be able to use "overlay" for more than 1 of them.
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