rendering over and over

I look through this forum everyday to find info that I might use. It seems
the resolution for numerous issues such as adding multiple sound tracks is to
render the movie then import it back in to MM. My question is, does each
rendering of the movie lessen the quality? I realize it is digital which
makes everything 1s and 0s but is there an algorithm that converts the file
that. over time, could lessen the quality. I am just asking because I told my
son if he writes a movie I will film it with he and his frinds but the sound
track will be the hardest part. If I can render about 9 times then I am in
good shape.

I've tested the re-rendering over more than 10 times and see no reduction in
quality when opting for the DV-AVI and almost imperceptible loss with high
quality WMV files.... so you're in pretty good shape.
--
PapaJohn

Movie Maker 2 and Photo Story 3 website - http://www.papajohn.org
MM2 Tips and Tricks: http://www.simplydv.co.uk/simplyBB/viewtopic.php?t=4693
Online Newsletters: http://www.windowsmoviemakers.net/PapaJohn/Index.aspx


"jeffbegin" <jeffbegin@discussions.microsoft.com> wrote in message
news:1F556965-FEE2-4EF7-84D9-C9D6E1D1A492@microsoft.com...
>I look through this forum everyday to find info that I might use. It seems
> the resolution for numerous issues such as adding multiple sound tracks is
> to
> render the movie then import it back in to MM. My question is, does each
> rendering of the movie lessen the quality? I realize it is digital which
> makes everything 1s and 0s but is there an algorithm that converts the
> file
> that. over time, could lessen the quality. I am just asking because I told
> my
> son if he writes a movie I will film it with he and his frinds but the
> sound
> track will be the hardest part. If I can render about 9 times then I am in
> good shape.

Furthermore if it is just the sound track you want to modify with the
multiple generation renderings... then there is a simple solution to avoid
any generation loss in video quality: In a furhter pass you can mix the
audio track of the n-th generation with the video of the source or first
generation, thus keeping the best video with your desired audio.

--
Rehan
MS MVP -- Digital Media
www.rehanfx.org - get transitions and effects for Windows Movie Maker



"PapaJohn (MVP)" <PapaJohn@CharterMI.net> wrote in message
news:uDzEpucDGHA.272@TK2MSFTNGP10.phx.gbl...
> I've tested the re-rendering over more than 10 times and see no reduction
> in quality when opting for the DV-AVI and almost imperceptible loss with
> high quality WMV files.... so you're in pretty good shape.
> --
> PapaJohn
>
> Movie Maker 2 and Photo Story 3 website - http://www.papajohn.org
> MM2 Tips and Tricks:
> http://www.simplydv.co.uk/simplyBB/viewtopic.php?t=4693
> Online Newsletters: http://www.windowsmoviemakers.net/PapaJohn/Index.aspx
>
>
> "jeffbegin" <jeffbegin@discussions.microsoft.com> wrote in message
> news:1F556965-FEE2-4EF7-84D9-C9D6E1D1A492@microsoft.com...
>>I look through this forum everyday to find info that I might use. It seems
>> the resolution for numerous issues such as adding multiple sound tracks
>> is to
>> render the movie then import it back in to MM. My question is, does each
>> rendering of the movie lessen the quality? I realize it is digital which
>> makes everything 1s and 0s but is there an algorithm that converts the
>> file
>> that. over time, could lessen the quality. I am just asking because I
>> told my
>> son if he writes a movie I will film it with he and his frinds but the
>> sound
>> track will be the hardest part. If I can render about 9 times then I am
>> in
>> good shape.
>
>

U agree, people have always talked about the "generational" loss of quality
but I too have tested and not seen anything significant at all. With DV-AVI
I see none what-so-ever and only a slight issue with high speed movement in
WMV format.
-Wojo

"PapaJohn (MVP)" <PapaJohn@CharterMI.net> wrote in message
news:uDzEpucDGHA.272@TK2MSFTNGP10.phx.gbl...
> I've tested the re-rendering over more than 10 times and see no reduction
> in quality when opting for the DV-AVI and almost imperceptible loss with
> high quality WMV files.... so you're in pretty good shape.
> --
> PapaJohn
>
> Movie Maker 2 and Photo Story 3 website - http://www.papajohn.org
> MM2 Tips and Tricks:
> http://www.simplydv.co.uk/simplyBB/viewtopic.php?t=4693
> Online Newsletters: http://www.windowsmoviemakers.net/PapaJohn/Index.aspx
>
>
> "jeffbegin" <jeffbegin@discussions.microsoft.com> wrote in message
> news:1F556965-FEE2-4EF7-84D9-C9D6E1D1A492@microsoft.com...
>>I look through this forum everyday to find info that I might use. It seems
>> the resolution for numerous issues such as adding multiple sound tracks
>> is to
>> render the movie then import it back in to MM. My question is, does each
>> rendering of the movie lessen the quality? I realize it is digital which
>> makes everything 1s and 0s but is there an algorithm that converts the
>> file
>> that. over time, could lessen the quality. I am just asking because I
>> told my
>> son if he writes a movie I will film it with he and his frinds but the
>> sound
>> track will be the hardest part. If I can render about 9 times then I am
>> in
>> good shape.
>
>