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Posted by Jeff on 05/29/07 10:17
Dave Garrett <dave@compassnet.com> wrote in
news:MPG.20c4f40ab1ccf08c98a1ae@207.14.116.130:
> In article <DX76i.6231$1I1.2900@newsfe12.lga>, raykosXXX@optonline.net
> says...
>
>> A simple project: make a DVD-R consisting of just two 20-minute wma
>> files, unaltered in any way by me. Took about three hours to burn it;
>> plays perfectly.
>>
>> Software: Roxio Creator 8 Suite Home, v3.0.0. After burning, DVD is
>> closed, so nothing more can be added to it. The "verify data written
>> to disc after burning" box is not checked.
>>
>> Burner: Lite-on sohw-1633s (nominal burn speed, 16x). Device Manager
>> shows the driver to be a standard Microsoft one, dated 11/14/99.
>> Lite-on has a firmware update dated 12/16/05 that I have not
>> installed yet.
>>
>> Computer: Processor - AMD, about 1 GHz); 512MB.
>>
>> OS: W2K, SP4.
>>
>> I've looked for hidden settings in the Roxio program that may affect
>> burn speed, but can't find any. Any other ideas for speeding things
>> up? Burner records CDs at a very good speed (over 24x, even though
>> Roxio reports target speed as 48x).
>
> Your drive settings may have reverted to PIO from DMA. I'd never heard
> of this until recently, and sure enough it had happened on my machine
> as well (AMD Athlon XP1700+, 1GB, also running W2K). Check out these
> links for more info:
>
> http://www.michna.com/kb/WxDMA.htm
>
> http://www.aiscl.co.uk/How_to_ForceDMA.htm
>
> http://www.videohelp.com/forum/archive/t247623.html
>
> http://sniptools.com/tipstricks/getting-back-to-dma-mode-in-windows-xp
>
>
> Dave
>
The source of your problem is right in your first sentence. You cannot
simply burn wma files to a disc to make a DVD. They must first be
transcoded to VOB files that meet certains standards for frame size and
audio/video bit rates. The first 90% of the three hours was transcoding
and the remainder was the actual burning of the converted files.
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