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| VSO Software Discuss PhotoDVD, DVDtoDivX, Blindwrite, CopyToDVD and other software packages from VSO-Software in the VSO-Software Forum. |
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| | #1 (permalink) |
| CD Freaks Junior Member Join Date: Jun 2006
Posts: 58
| Make DVD from 1 GB Avi file w/o reducing file.... Can I use Convert2DVD to make a DVD from a 1 GB avi file w/o reducing this file first to 272mbs? I'm just concerned about losing quality here. There's more than enough room on the DVD.... How can I do this? Thanks. |
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| | #3 (permalink) | |
| CD Freaks Senior Member Join Date: Jan 2005
Posts: 253
| Re: Make DVD from 1 GB Avi file w/o reducing file.... Quote:
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| | #4 (permalink) | |||
| CD Freaks Junior Member Join Date: Jun 2006
Posts: 58
| Re: Make DVD from 1 GB Avi file w/o reducing file.... Quote:
Quote:
Quote:
-------------------- Q: How come Video_TS files look great (even at 272MB) when I watch video with DVD Shrink 3.2, but burned DVDs show jerky video? Tried DVD Burn engines: Nero 6 / ImgBurn (latest) / DVD Decryptor / Convert2DVD. | |||
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| | #5 (permalink) |
| VSO Software Join Date: Jan 2005
Posts: 247
| Re: Make DVD from 1 GB Avi file w/o reducing file.... Hello, Just so that others can benefit from the answer, here is an offical VSO reponse on the matter: "Hello, after some tests with this video, it plays just fine and there is no problem in ConvertX in that case. So why it's so small compared to the source ? Your Video is from a DV camera, which is raw uncompressed taking HUGE space. Audio is RAW uncompressed PCM taking as well a lot of space. Typically 1 hour can take more than 10 gigs of space. Now, on DVD you haven't got the choice. video is MPEG2, a very efficient compressed format and the most standard audio is AC3, also a compressed format. The maximum achievable bitrate on a DVD is 9.800.000 Bits per second. Your video has a bitrate of 30.314.000, so the size of your file must be divided at least by 30.314.000 / 9.800.000 = 3(roughly). In the worst scenario - the encoder always produces max bitrate - your DVD video cannot be bigger than 0.98/3 = 0.32 Gig. Specifically for your video, it has a lot of black portions and most part of the image is static, so the encoder will be very efficient when compressing to mpeg2. ConvertX encoder is designed to achieve the best quality, given the maximum possible bitrate. But this best quality can sometimes be achieved without reaching this maximum bitrate, that why the result is even a little bit smaller than the theoric 0.32 Gigs. You want to have a full DVD, use more than 5 minutes of video, and you'll see as it's getting longer on the screen, it'll fill up the DVD. If you have less than 1 hour of video, the DVD will never be 100% full." --VSO Lead Developer |
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| | #7 (permalink) | |
| CD Freaks Senior Member Join Date: Feb 2006
Posts: 452
| Re: Make DVD from 1 GB Avi file w/o reducing file.... Quote:
AVI itself is container, it can contain huge amount fo different codecs. Different codecs have various packing rates. Most avis now are containing XviD encoded videos, and they are so efficiently packed that one 700MB avi will use 2-3GB on DVD. | |
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