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Audio & Data - What's the difference

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Audio & Data - What's the difference

Postby mystic77 on Thu Sep 09, 2004 7:35 am

I don't get it, for a CD data disc, if 1 bit goes missing, it's a big deal, the
reliability of the reading is questioned. That's why reading data files is
usually 100% bit for bit reliable.

So what's so hard about reading audio tracks? Why is there software like
EAC? What's so hard about reading bits off an audio track?
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Postby cfitz on Thu Sep 09, 2004 9:42 am

Data discs have an extra layer of error detection and correction code that audio discs do not have.

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Postby hoxlund on Thu Sep 09, 2004 10:42 am

thats why they call him straight shooter cfitz ;)
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Postby burninfool on Thu Sep 09, 2004 10:58 am

Data discs usually use mode 1 and can fit 700MB,audio and S/VCD discs use mode 2 and can fit 780MB(80min).A drive reading a mode 2 disc is more saceptable to errors because it doesn't use error correction,that's why copy-protection is more effective on audio CD's.
If you have a CD you can't read use IsoBuster.
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Postby mystic77 on Thu Sep 09, 2004 7:13 pm

>Data discs have an extra layer of error detection and correction code that >audio discs do not have.

[-o<
I see, At last somebody who knows! I had been asking around that question for 'bout a year now.

tks!
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Postby hoxlund on Thu Sep 09, 2004 10:00 pm

you just weren't asking at the right places, and I hope you stay an active member of our wonderful forums
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Postby mystic77 on Sun Sep 12, 2004 8:49 am

Does this mean if I listen to the soundtrack of a DVD, it will be of better
quality than from a CD in a player?
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Postby burninfool on Sun Sep 12, 2004 12:21 pm

mystic77 wrote:Does this mean if I listen to the soundtrack of a DVD, it will be of better
quality than from a CD in a player?


If you are are talking about DVD-AUDIO(96khz/24bit or PCM) then yes,if you are talking about DVD-VIDEO(DTS,AC3) then no.
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