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What's ViVo good for?
Hi!
I'm thinking about buying a new graphics board and the X800 Pro came into consideration. There are some cards that offer ViVo but I've yet to understand what this is good for. I know that it stands for "Video in Video out" but that's not the point :-) I understand that ViVo is different from an AIW, i.e. only AIW offers TV on-board. One thing I'd like to do in the near future though is to digitize my old VHS- and camcorder-tapes. Can I plugin my VCR or some other video device into the ViVo and get the video stream onto the harddrive? Or do I have to have an AIW for that? And what does the ViVo separate from the regular ones? Are they the same speed concerning the memory and the GPU or are they somewhat crippled? Tnx. Thomas |
#2
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Thomas Engler wrote:
Hi! I'm thinking about buying a new graphics board and the X800 Pro came into consideration. There are some cards that offer ViVo but I've yet to understand what this is good for. I know that it stands for "Video in Video out" but that's not the point :-) I understand that ViVo is different from an AIW, i.e. only AIW offers TV on-board. One thing I'd like to do in the near future though is to digitize my old VHS- and camcorder-tapes. Can I plugin my VCR or some other video device into the ViVo and get the video stream onto the harddrive? Or do I have to have an AIW for that? And what does the ViVo separate from the regular ones? Are they the same speed concerning the memory and the GPU or are they somewhat crippled? The difference between a VIVO and an AIW is that the AIW has a TV tuner, while the VIVO just has S-video and/or composite inputs, but the VIVO also has two display connectors while most of the AIWs have only one. In terms of performance there's no systematic difference between them--any differences are the result of individual decisions made by the board manufacturers. For a long time the AIWs were clocked lower, but the ATI 9800 AIW was clocked faster than the standard board, so even that's not a hard and fast rule. You need to look at the specific hardware. As for recording from your VCR, in principle that works, in practice sometimes with some boards you run into Macrovision problems even on non-protected recordings. But you'd get better results using the S-video input on a digital camcorder that has pass-through from the analog inputs to the firewire output--all of them don't have this capability though. Tnx. Thomas -- --John Reply to jclarke at ae tee tee global dot net (was jclarke at eye bee em dot net) |
#3
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"Thomas Engler" wrote in message om... Hi! I'm thinking about buying a new graphics board and the X800 Pro came into consideration. There are some cards that offer ViVo but I've yet to understand what this is good for. I know that it stands for "Video in Video out" but that's not the point :-) I understand that ViVo is different from an AIW, i.e. only AIW offers TV on-board. One thing I'd like to do in the near future though is to digitize my old VHS- and camcorder-tapes. Can I plugin my VCR or some other video device into the ViVo and get the video stream onto the harddrive? Or do I have to have an AIW for that? And what does the ViVo separate from the regular ones? Are they the same speed concerning the memory and the GPU or are they somewhat crippled? Tnx. Thomas It's a cheap option for digitising video if top quality isn't important. and digitising is all it supports. Compression into recognised video formats is the job of codecs run by the CPU. The supplied software isn't always up to the job resulting in compression artefacts and lost frames. But you can use any video software, not just that supplied. For best quality use a DV codec as used by DV cameras. Then recompress using a twin pass MPEG2 encoder if DVD is your target. |
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