Old 08-04-2009   #1
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DVD/Bluray Rips?? AC3 or AAC?

When it comes to Audio Codecs ,Which would you prefer to be used in a DVD/Bluray Rips?? AC3 or AAC?
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Old 08-04-2009   #2
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Re: DVD/Bluray Rips?? AC3 or AAC?

AC3 in DVD and AAC in MP4.....Explain your goal...
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Old 08-04-2009   #3
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Re: DVD/Bluray Rips?? AC3 or AAC?

For a DVD or Bluray backup/rips

would you prefer the audio codec to be AC3? or would you prefer the audio codec to be AAC?
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Old 08-04-2009   #4
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Re: DVD/Bluray Rips?? AC3 or AAC?

Again what is your final goal?...Is it to rip audio only and convert...
There is no AAC in Bluray spec...
If you rip DVD then use AC3, if you rip BR and keep as BR then you'll have to choose an audio supported per BR specs...If you want AAC, then rip your BR and convert to say, MP4/h.264 with aac audio..
I don't have a BR drive, I'm sure someone will chime in with BR ripping help..
Are you needing to rip from DVD or BR and convert only the audio sources?..I guess you are, since you posted in Audio forum eh!...

http://www.blu-ray.com/faq/#bluray_vs_dvd_comparison
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Old 08-04-2009   #5
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Re: DVD/Bluray Rips?? AC3 or AAC?

Hey matto77, I read your other thread, regarding 6ch. ac3 to 2ch. ac3...
So, disregard my DVD,BR responses... Unless of course it still applies...Ok...
I prefer using AAC/m4a for my portable(s)..Well at least for the wife's Ipod.. Better compression at lower bitrates with good quality....At least to my ears..
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Old 09-04-2009   #6
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Re: DVD/Bluray Rips?? AC3 or AAC?

The Goal is to make Good/Great Quality Backups of DVD/Bluray movies with small file sizes

Using X264 for video and AC3 or AAC for audio and put them into a
MKV or MP4 Container

I don't think I have to stick to DVD or Bluray specs as it is not necessary that they play on a DVD or Bluray player(though it would be very nice if they do)

They are made to be played back on Personal Computers
and Devices that are able to play them, eg Ziova cs 615 and popcorn hour players etc


Eg under 800mb for Movies with AAC sound
and under 1200mb for movies with AC3
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Old 09-04-2009   #7
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Re: DVD/Bluray Rips?? AC3 or AAC?

Hey t0nee1

Thanks for your reply's

You said that you prefer AAC sound for portable stuff though what about stuff you are watching at home on your Tv?

Ps can you please check out my poll in this thread and vote

Bye
Matt
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Old 09-04-2009   #8
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Re: DVD/Bluray Rips?? AC3 or AAC?

Well if I had to choose between the two and, b/c the PS3 doesn't support video and audio in an MKV container(Popcorn Hour does), I would choose MP4/h.264/AAC audio....Small size and very good quality(for me) at lower bitrates...I normally don't watch my flicks on the PC, however I stream(wireless) content to the PS3 (PS3 Media Server) or Xbox360 (Tversity)...Of course I'm now spoiled and it's getting harder to watch standard DVDs, or compressed video, after viewing a BR flick@1920x1080p...
I wouldn't rule out Divx/xvid AVI, which both the PS3 and Xbox play from disc or streamed....My Philips DVD player supports AVIs....

Ok, I think this is way off-topic now(sorry guys ), and since we now know your goal, this may get moved from Audio to another forum.......
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Old 09-04-2009   #9
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Re: DVD/Bluray Rips?? AC3 or AAC?

it a hard choice between MP4/H.264/AAC and MKV/H.264/AAC

do you know of any program that can convert mkv to mp4 ,converts using direct stream copy instead of re-encoding

or maybe a mp4 multiplexer?
that will accept mkv or avi for video sources and mp4 for audio sources

how well does mp4 handle subtitles and multi
audio streams?? as I find that mkv handles multi subtitles
and multi audio streams very well

AVI/XVID/MP3 is not an option I think as Im going for quality and small filesizes not compatibility atm and I think in the not too far off future MP4/H.264/AAC and MKV/H.264/AAC will be playable on a wide range of devices.


I know what you mean about 1080 P stuff its very nice very easy on
the eye just a litte bit of a shame that there file sizes are so huge,though
with hdd and flashdrives getting bigger and cheaper all the time
it may not be too far away before a 12gb file is considered small
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Old 09-04-2009   #10
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Re: DVD/Bluray Rips?? AC3 or AAC?

Quote:
do you know of any program that can convert mkv to mp4 ,converts using direct stream copy instead of re-encoding
Sure, just demux the contents from your mkv and re-mux using the MP4 container, no re-encoding/converting...

Use MKVextractgui to extract and Yamb to remux...

http://www.videohelp.com/tools/MKVExtractGUI
http://www.videohelp.com/tools/YAMB

If you still need a converter, I find XviD4PSP to work nicely...There's also Handbrake....
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Old 10-04-2009   #11
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Re: DVD/Bluray Rips?? AC3 or AAC?

Thanks for the Links

I am going to use MP4 with H264 Video at between 750-950kbps
AAC-LC Audio at about 165kbps ,using a resolution about 700x380
at 25 fps

the results should be good quality and small filesizes right?
comments anyone??
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Old 10-04-2009   #12
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Re: DVD/Bluray Rips?? AC3 or AAC?

Yes, however the key word(s) here are should and good quality...You need to test for yourself...Different strokes for different folks...

Good luck!...
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Old 10-04-2009   #13
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Re: DVD/Bluray Rips?? AC3 or AAC?

will do a few tests,ill post my results

currently making a mp4 backup of a 2 and half hour video
using 96kbps for audio and 745 for video
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Old 08-02-2012   #14
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Might be a bit late but, you still might tell us, what were your results?
Curious.
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