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#1
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Hi Color Resolution Video Card & Display with DVI Link
I'm new to this particular group and hope someone can provide some
guidance. I'm looking for video cards and displays that can support greater than 24-bit color depth (8-bit per RGB color channel) over a DVI interface. In particular, I'd like the video stream be sent over the digital portion of the DVI cable as opposed to the analog portion (I am not referring to an analog VGA cable). Does anyone have suggestions for vendors, dealers, or websites to contact? For more details please see below: I need to put together a workstation to support high-color precision scene generation. My job is to put the hardware together, other people will be handling the CG scene generation software. I know that current generation GPU's are capable of handling high numerical precision (e.g. floating point) data within their pipelines, including color/shade info. The pixels coming out of the pipe are then dumped off the board at lower color precision, either 8 or 10-bit per RGB channel. Most high-end video card specs are calling out triple 10-bit DAC's, so that implies 10-bit per color channel data is being transmitted either thru the VGA cable or the analog portion of the DVI-I cable. However, I don't know if the 10-bit per color data is available over the digital portion of the DVI-I cable (which is what I need). This would depend on whether the video card vendor is utilizing their TMDS transmitter's second link in their DVI interface implementation. Likewise, on the display side, I need a display that can handle 10-bit per color RGB using the DVI digital link. If you've read this far, I'm sure you will be thinking that usually only LCD displays will come with a DVI interface, but LCD's usually have inferior dynamic color range compared to CRT's. I know this is ironic, but this is what I need for our system Your feedback is appreciated. R |
#2
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Ronald wrote:
I'm new to this particular group and hope someone can provide some guidance. I'm looking for video cards and displays that can support greater than 24-bit color depth (8-bit per RGB color channel) over a DVI interface. In particular, I'd like the video stream be sent over the digital portion of the DVI cable as opposed to the analog portion (I am not referring to an analog VGA cable). Does anyone have suggestions for vendors, dealers, or websites to contact? For more details please see below: I need to put together a workstation to support high-color precision scene generation. My job is to put the hardware together, other people will be handling the CG scene generation software. I know that current generation GPU's are capable of handling high numerical precision (e.g. floating point) data within their pipelines, including color/shade info. The pixels coming out of the pipe are then dumped off the board at lower color precision, either 8 or 10-bit per RGB channel. Most high-end video card specs are calling out triple 10-bit DAC's, so that implies 10-bit per color channel data is being transmitted either thru the VGA cable or the analog portion of the DVI-I cable. However, I don't know if the 10-bit per color data is available over the digital portion of the DVI-I cable (which is what I need). This would depend on whether the video card vendor is utilizing their TMDS transmitter's second link in their DVI interface implementation. Likewise, on the display side, I need a display that can handle 10-bit per color RGB using the DVI digital link. If you've read this far, I'm sure you will be thinking that usually only LCD displays will come with a DVI interface, but LCD's usually have inferior dynamic color range compared to CRT's. I know this is ironic, but this is what I need for our system Your feedback is appreciated. R Ever checked out Matrox? They're really the current king of old-fashioned 2d display drivers. The "Parhelia" (or whatever it is), has 10 or 12-bit color if I remember correctly. Pricey, but it might fit the bill, especially with 3 dvi outs. |
#3
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duralisis wrote:
Ronald wrote: I'm new to this particular group and hope someone can provide some guidance. I'm looking for video cards and displays that can support greater than 24-bit color depth (8-bit per RGB color channel) over a DVI interface. In particular, I'd like the video stream be sent over the digital portion of the DVI cable as opposed to the analog portion (I am not referring to an analog VGA cable). Does anyone have suggestions for vendors, dealers, or websites to contact? For more details please see below: I need to put together a workstation to support high-color precision scene generation. My job is to put the hardware together, other people will be handling the CG scene generation software. I know that current generation GPU's are capable of handling high numerical precision (e.g. floating point) data within their pipelines, including color/shade info. The pixels coming out of the pipe are then dumped off the board at lower color precision, either 8 or 10-bit per RGB channel. Most high-end video card specs are calling out triple 10-bit DAC's, so that implies 10-bit per color channel data is being transmitted either thru the VGA cable or the analog portion of the DVI-I cable. However, I don't know if the 10-bit per color data is available over the digital portion of the DVI-I cable (which is what I need). This would depend on whether the video card vendor is utilizing their TMDS transmitter's second link in their DVI interface implementation. Likewise, on the display side, I need a display that can handle 10-bit per color RGB using the DVI digital link. If you've read this far, I'm sure you will be thinking that usually only LCD displays will come with a DVI interface, but LCD's usually have inferior dynamic color range compared to CRT's. I know this is ironic, but this is what I need for our system Your feedback is appreciated. R Ever checked out Matrox? They're really the current king of old-fashioned 2d display drivers. The "Parhelia" (or whatever it is), has 10 or 12-bit color if I remember correctly. Pricey, but it might fit the bill, especially with 3 dvi outs. The Parhelia has the best DVI output I've seen in a very long time.... but also the worst 3D performance. If you don't need the 3D output, you can get a lot on one of these cards for a decent price. But if you need workstation perfomance check out 3DLabs. Ever since they were bought by Creative Labs they've kicked ass. VERY pricey, but I can contest that every cent is worth the rendering performance. |
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