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With a relatively fast processor, you can use a software based codec... Any video card with VIVO should do the trick. If you rely on a chip onboard to act as codec, it will most likely be very limited in capabilities. I used to use one with a composite connection, and the built in chip was nice since back then, it was in a P2 system, and a P2 just can't process fast enough on it's own... It was a rage theatre chip, I think. AFAIK, aside from gaming, video processing is the only other function that really requires serious overclocking... ![]() BTW: I also use a Winfast WinXP Deluxe TV tuner... it is the best bang for the buck TV tuner on the market... I love the scheduling capabilities, and the picture quality is very good.
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SteveI, are you talking about mpeg2 being a codec when you say, "If you rely on a chip onboard to act as codec"? I thought if the hardware was not capable then software could not truly record a format/codec in that way. I have been doing some 24bit sound recording on a 24bit card. The software I had on a card prior to that would record at near that but the sound was not a true 24bit. At least that is what I thought and I may be all backwards on this. Or I may have made a wrong comparison. I am going to take a look at the Winfast!
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An MPEG2 encoder just takes the full frame (IE, uncompressed) video, and then encodes it into an MPEG2 frame. This would be similar to a soundcard that could record in mp3 format automatically. The alternative is to get a capture card that can capture full frames (=lots of PCI/AGP bandwidth), and have the CPU then encode into MPEG2 for you. This is like having a soundcard that can capture in PCM format, and then getting the CPU to encode it into MP3. Either way around, you end up with a valid MPEG2 stream. However, using the CPU gives you more flexability, but at the cost of bandwidth use, and timing sensitivity.
__________________ Any views, thoughts and opinions are entirely my own. They don't necessarily represent those of my employer (BlackBerry). |
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I got the card! So far it works great! There were no problems with the install. I have not yet figured out what all it will do and that includes the software. I did put part of a vcr movie to a cdr and it worked in my home theater dvd player. Now I need to work out the optimal recording settings. At this point, folks better get one. Mine was $49 including free delivery.
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