Hi, well...You are looking to display 1280x720p. So you are going to need a scaler. It sounds like you are looking to feed a progressive image. So, you would need to find a scaler that can scale a progressive image like scaling 720x480p to 1280x720p.
Not many scalers can scale a progressive image but...you are in luck. The new CS-1 scaler can scale 480p to 720p. It uses the Silicon Image Sil504 chipset...one of the best in the world.
The CS-1 sells for about $2000 but...talk to Jason here at AVS, he may be able to get you one for less. For what you sound like you are trying to do, the CS-1 would be the way to go.
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