Were you planning on storing files on a dvd or making a watchable dvd?

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The thing I've found about the MPEGs and the WMVs on Bangbros, is that there's no constant quality between MPEGs and WMVs. Sometimes the MPEGs are of slightly better quality than the very same scene is on WMV and visa-versa. I myself have chosen to download a full scene as an MPEG if the picture's a bit better on a scene than it is on WMV, and gone for downloading a scene in WMV segments (between 3 and 4 large segments) if the picture's better in that format. What do you think, is that a good idea?

Do you think downloading a scene in either MPEG or WMV segments will effect the running of a DVD, especially on a stand alone?

Edited by - Mojo on 2/19/2005 6:04:36 AM

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If your MPEGs are MPEG 2s and in one of the valid DVD resolutions, they won't require recompression to transfer onto DVD.

Any other format will require decompression and recompression with resulting qualityloss and conversion time.

With running time, do you mean how much you can fit onto a DVD-R? If so, that depends on how hard you recompress the WMVs.

What resolution and bitrate are the MPEGs? Normal DVD movies tends to fluctuate between 4 and 7 MB/s.

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I'm not sure about the resolution of the clips, because they don't say on the site, but some are pretty bad in some formats (fuzzy and pixilated in full screen mode). All they tell you is the size of the file. They also don't tell you what type of MPEGs they use.

Also, what would happen if I tried to change the type of file from a WMV to an MPEG via "properties" once the file's been downloaded? Would that help with transfer to DVD?

Edited by - Mojo on 2/19/2005 9:25:21 AM

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Anyway, for conversion and DVD authoring tools and how to use them, have a peek at www.videohelp.com. They might have the info you're looking for.

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IIRC they also have a forum discussing these things.
If you have any problems with the conversion tools, that'd be the place to ask.
Not just because they're more likely to be able to answer any questions (which they are), but also because some of those tools can be used for converting from DVDs too. A subject that, for obvious reasons, is a surefire threadlocker around here.

But if the clips are as far from DVD quality as they sounded from your description, I doubt you'll notice any qualityloss from one more conversion. If you do, simply bump up the bit-rate of the MPEG to trade run-time for quality.

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Our formatting is done via DivX and WMVA (Advanced Profile Codec). The WMV is better quality than the DivX 5.2.1 (both around the same file size).

Our WMV movies are 64 hex 48 hex 32 with 1572 bit rate and our DivX are 64 hex 48 hex 32 with 1200 bit rate.

Only real problem with WMV is the interlacing when converting from MPEG2 or Raw AVI (or our new HDV formats).

I don't think that many sites will ever support MPG at 64 hex 480 which is a shame. As monitors get bigger, and bandwidth gets faster and PC's become more powerful then no one will want the standard MPG 32 hex 240 (356x288) anymore.

For a preview of our movies check out the site Victoria Swinger's Website and click on members preview. There are 9 trailers on there encoded in WMVA which you will notice are all high quality.

You can use gspot codec analysers on the movies if you need more info about the codec type, etc.

Cheers

Steve
support@victoriaswinger.com
Victoria Media Holdings
http://www.victoriaswinger.com

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Jacco

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Moviejoiner at movietoolbox is a demo which allows you to join small .wmv files together into a single clip (considered they're of the same frame rate). It supports lots of other formats. The demo version is unlimited, simply allowing to join a max of 3 files at a time.

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divx, xvid, etc.-all the avis are in fact mpeg-4, as is wmv. they're all hacks with further developing of the MS windows media video V3(MS MPEG-4 v3) that could only be used by the windows media encoder and wasn't practically useful. interestingly, both divx and wmv have arrived at HD-ability basically at the same time.

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Pity though because what they are actually achieving is the opposite of what we need. They are producing awesome quality, awesome sound reproduction codecs, but with file sizes way too big to currently be of any use to anyone who wants to download or use on a website.

What we need is someone to find better compression to decrease the file sizes and hold good quality, not awesome quality with massive file sizes.. hehe

And going back to the post about WMV not being a good format for compatiability. WMV is about one of the most compatiable formats currently available even if using the advances profile and professional sound codecs. I know that this format is available on Linux via alternative players and also runs on Macs. Bit confused why you think its a bad codec to use (maybe because its a microsoft product.. hehe)

Cheers

Steve

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MPEG 4 ever !

Cube

Edited by - cubesnake on 5/22/2005 4:05:28 AM

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jrv--i don't have WMP installed at all, no problems playing it back with ffdshow and microsoft's codec installation package-they probably weigh in at a combined 1.4mb. if you haven't made your own windows boot-disk without the crap and bloat you don't need, you haven't lived. i think mine comes in at about 190-210mb versus around 550mb if you used their disk.

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