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  #1  
Old 2009-01-12, 01:31 PM
willndmb willndmb is offline
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whats the HIGHEST Bitrate you can use with UNCOMPRESSED Audio

SSIA
EVERY time i try to make a dvd on a Mac using uncompressed wavs as the audio it tells me it can not burn because the bitrate/data rate is to high
thanks

example i had a 48 minute video with a bitrate of 8 and it said it was to high to burn on a standard dvd-r
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  #2  
Old 2009-01-12, 01:34 PM
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Re: whats the HIGHEST Bitrate you can use with UNCOMPRESSED Audio

Are you trying to burn a DVD-Audio?

What program?
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  #3  
Old 2009-01-12, 07:18 PM
stantheman1976 stantheman1976 is offline
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Re: whats the HIGHEST Bitrate you can use with UNCOMPRESSED Audio

Quote:
Originally Posted by willndmb View Post
SSIA
EVERY time i try to make a dvd on a Mac using uncompressed wavs as the audio it tells me it can not burn because the bitrate/data rate is to high
thanks

example i had a 48 minute video with a bitrate of 8 and it said it was to high to burn on a standard dvd-r
You can go up to 9.8MBps including data and audio and shouldn't have any troubles. You should have no problem doing 8MBps data rate with a 44.1/16 WAV.

Whatever program you're using is trying to keep you under that to be safe. Is there a way to disable the warning it's giving you and create it anyway?
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  #4  
Old 2009-01-12, 07:27 PM
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Re: whats the HIGHEST Bitrate you can use with UNCOMPRESSED Audio

Quote:
Originally Posted by stantheman1976
You can go up to 9.8MBps including data and audio and shouldn't have any troubles.
Incorrect for the question asked.

For it to have given that message at 8 mbs, you could have a setting wrong somewhere. Check them all in FCP or whatever you're in.

According to the calculator
http://www.videohelp.com/calc.htm
8227 for 48 min w/ LOSSLESS audio (FYI - its the 1536 audio bit rate option)
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  #5  
Old 2009-01-12, 09:57 PM
stantheman1976 stantheman1976 is offline
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Re: whats the HIGHEST Bitrate you can use with UNCOMPRESSED Audio

He never says he's using FCP. On a Mac he very well could be but it's never stated for sure. 9.8MBps is the limit to keep a DVD standard. That includes video and audio bitrates. If he's using 44/16 audio he could use 8MBps for the video and the audio would be a hair over 1.5MBps. That goes just under the DVD spec of 9.8MBps total. There may be a setting in his program that tries to keep it under 8MBps total or something like that.

I use this calculator BTW:
http://dvd-hq.info/bitrate_calculator.php
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  #6  
Old 2009-01-12, 10:24 PM
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Re: whats the HIGHEST Bitrate you can use with UNCOMPRESSED Audio

LPCM audio = 1.5 MBps = 1536 kbs
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  #7  
Old 2009-01-13, 12:25 AM
stantheman1976 stantheman1976 is offline
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Re: whats the HIGHEST Bitrate you can use with UNCOMPRESSED Audio

Quote:
Originally Posted by schmoe75 View Post
LPCM audio = 1.5 MBps = 1536 kbs
Saying just a hair over 1.5 was just me trying to be too technical.

You can actually go over 9.8MBps but you can't guarantee that some players won't choke on anything higher. Assuming the OP has not missed any details there's no reason his program should stop him from making a DVD with 8MBps video and 1.5MBps LPCM audio unless the program automatically tries to keep projects at 8MBps or under total. We still don't know what program for sure so maybe it's just a safety feature of that particular app to keep people who don't know what they're doing from making non-spec discs. That's just my guess.
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  #8  
Old 2009-01-13, 04:37 AM
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Re: whats the HIGHEST Bitrate you can use with UNCOMPRESSED Audio

Quote:
Originally Posted by stantheman1976 View Post
That includes video and audio bitrates. If he's using 44/16 audio he could use 8MBps for the video and the audio would be a hair over 1.5MBps.
on a Video DVD ?
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  #9  
Old 2009-01-13, 07:35 PM
willndmb willndmb is offline
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Re: whats the HIGHEST Bitrate you can use with UNCOMPRESSED Audio

sorry guys
YES its a Mac with iMovie, Final Cut Pro, DVD Studio Pro
DVDSP is where i get the error message when i try to build/format ie burn the disc

i will try another one soon and use the calc to see if it works
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  #10  
Old 2009-01-13, 08:22 PM
stantheman1976 stantheman1976 is offline
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Re: whats the HIGHEST Bitrate you can use with UNCOMPRESSED Audio

Quote:
Originally Posted by jameskg View Post
on a Video DVD ?
Yes. 44KHz/16 bit audio is 1536kbps. 8MBps video + 1.5MBps LPCM audio is 9.5MBps which is under DVD standard of 9.8MBps maximum for audio and video combined. Like I said, you can actually go over 9.8MBps, somewhere up to about 10.5 I think, but it will be out of spec and many players might choke on the above average data rate.

Edited:
Oops. I wasn't paying attention. Sorry about that. 48KHz/16 bit.
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  #11  
Old 2009-01-13, 09:18 PM
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Re: whats the HIGHEST Bitrate you can use with UNCOMPRESSED Audio

.
Quote:
Originally Posted by stantheman1976 View Post
Quote:
Originally Posted by jameskg View Post
on a Video DVD ?
Yes. 44KHz/16 bit audio is 1536kbps. 8MBps video + 1.5MBps LPCM audio is 9.5MBps which is under DVD standard of 9.8MBps maximum for audio and video combined. Like I said, you can actually go over 9.8MBps, somewhere up to about 10.5 I think, but it will be out of spec and many players might choke on the above average data rate.

Edited:
Oops. I wasn't paying attention. Sorry about that. 48KHz/16 bit.


.
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  #12  
Old 2009-01-13, 09:33 PM
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Re: whats the HIGHEST Bitrate you can use with UNCOMPRESSED Audio

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We dont play black, we dont play white, we just play what we know & feel - Miles
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  #13  
Old 2009-01-13, 09:35 PM
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Re: whats the HIGHEST Bitrate you can use with UNCOMPRESSED Audio

Quote:
Originally Posted by willndmb
DVDSP is where i get the error message when i try to build/format ie burn the disc
Settings...if they're all correct, can you ignore the message and go ahead & create the VIDEO_TS folder?
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While we were all dancing these people were working & now freely sharing - Ray
We dont play black, we dont play white, we just play what we know & feel - Miles
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  #14  
Old 2009-01-13, 10:15 PM
stantheman1976 stantheman1976 is offline
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Re: whats the HIGHEST Bitrate you can use with UNCOMPRESSED Audio

Quote:
Originally Posted by jameskg View Post
.

.
I had it partially right. That's more than I usually get with my old lady.
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  #15  
Old 2009-01-15, 07:17 PM
willndmb willndmb is offline
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Re: whats the HIGHEST Bitrate you can use with UNCOMPRESSED Audio

so i looked at my setting today and nothing jumped out at me
there was one with a bitrate for video but nothing for overall bitrate or for audio
the setting is also for it you use dvdsp to encode, i always use compressor out of fcp though
i guess i will have to wait till i have a dvd to try it out on again since i got rid of the files for the one in question after burning it with ac3
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