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AC3 5.1 to 2 Channel????
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Escobar22
Junior Member
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24. July 2005 @ 16:46 |
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Is it possible to take 5.1 audio off of a dvd and shrink it to 2 channel audio and then put it back in the dvd as 2 channel audio?
Any help is appreciated........
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Moderator
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26. July 2005 @ 10:15 |
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why don't you just select ONLY 5.1 audio. your tv/player etc will simply downmix the sound to normal stereo
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Escobar22
Junior Member
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26. July 2005 @ 20:56 |
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It's actually to reauthor and save space for video when putting DVD9 on a dvdr
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babelfish
Senior Member
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27. July 2005 @ 03:53 |
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i wouldnt bother... you may invest in a home cinema at some point and then you will cry when they are all in stereo...
ok, so pro-logic 2 is not bad but compared to 5.1 or DTS on a decent system its not even close
i h8 getting DVDs in stereo - some rentals are still coming through as stereo!
:: If you were a woman i'd sock you - Peter Griffin ::
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Escobar22
Junior Member
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27. July 2005 @ 16:19 |
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It's not for audio purposes
It is for saving space for video point blank
Doesn't anyone know how to do it instead of giving me advice, lol?
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Moderator
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27. July 2005 @ 23:25 |
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i don't know if it can be done (doubt it very much - they're 2 distinct audio types).
after 1000+ more burns using just DVD Shrink, i can pretty much safely say that keeping only 5.1 audio is good enough for most people's purposes...
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kringles
Member
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28. July 2005 @ 08:09 |
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Looking at a number of movies the 5.1 track (not DTS) is usually 300-400 MB. The 2 Channel is typically 100-200 MB. Selecting the 2 channel would only save about 200 MB (usually a little less). This will not make much difference in the additional room for video. Granted there is some but not really that much.
Looking around have not yet found a way to do this. If I do I will post back with results.
regards
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babelfish
Senior Member
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28. July 2005 @ 08:11 |
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thing is you are on your own as no one else is that bothered about 100 meg on a dvd...
:: If you were a woman i'd sock you - Peter Griffin ::
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AfterDawn Addict
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28. July 2005 @ 08:43 |
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I agree the amount of space that you save is not worth the effort, and there are times when the 2channel is the director's comments and the 5.1 is the movie audio.
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babelfish
Senior Member
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28. July 2005 @ 23:29 |
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yup - i still dont know why they bother with stereo - when 5.1 downmixes to stereo if you dont have a AV amp anyway
:: If you were a woman i'd sock you - Peter Griffin ::
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damo_red
Member
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1. August 2005 @ 04:36 |
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if your botherd about the video quality, becasue of the space of the audio the differnce you would save you would not telll the differnce.
shrink etc are very good compressers and the extra 300Mb etc would not be noticible in video quality. me personally i take the video and only the AC3 5.1 sound and the differnce in picture quality isent noticible.
i would of course like to take the DTS sound but until the next generation of disks come out with more space i will just stick with AC3.
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Escobar22
Junior Member
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1. August 2005 @ 05:07 |
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Thanks everyone (even though no one could answer my question) ;)
I realized whith help from the responses) an xtra 300 mb wouldn't make a noticeable diffirence in the video quality
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AfterDawn Addict
6 product reviews
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2. August 2005 @ 23:32 |
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If it's video quality you're concerned about I recommend useing better software, DVD-RB/CCE for example is the best encoder period under $2000. I encode 6.5-7 gb on average (sometimes more sometimes less) all the time without ANY noticable loss in video quality on my 52" HDTV. Some encode the entire DVD9 to a DVD5 with these apps and notice only minimal loss in video quality. I've done a few complete dvd9's to dvd5's and had to strain to notice any loss in quality.
Mort
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Escobar22
Junior Member
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3. August 2005 @ 17:16 |
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I already use that
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squizzle
AfterDawn Addict
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3. August 2005 @ 18:08 |
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the only way I can think of is to completely reauthor the disc. Strip the video and audio into seperate streams, then import the audio into another program (a program designed to do this most likely will not do video as well) to remake it as 2-channel, then you'll have to put them back together, the result being worse quality probably than just having the 100-200MB less on the original video.
I don't know of any programs that will do this, but there's a program out there for everything nowadays.
Convert PAL to NTSC or NTSC to PAL------>http://forums.afterdawn.com/thread_view.cfm/167922
ScubaPete's guides------>http://www.dvdplusvideo.com/tutorial007.html
Bbmayo's guides------>http://home.comcast.net/~bbmayo/index.html
My ever-growing movie collection------>http://www.intervocative.com/dvdcollection.aspx/squizzle
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