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[maxmsp] [somewhat ot] Importing Audio from CD

kevin parks kp8 at mac.com
Wed Aug 8 01:43:16 MDT 2007


Greetings maxers,

This is somewhat off topic, as it isn't a 100% max specific query, so  
let me apologize in advance.... However, i know folks here know their  
stuff when it comes to digital audio and i am desperate for an answer.

I always ask folks who send me audio files to work with, to send them  
as data because i have noticed that when you rip from an audio CD  
using iTunes you sometimes get drop outs even if you have the:

[Use error correction when reading Audio CDs]

option checked off in Preferences --> Advanced

Now i have some Audio CDs that i need to integrate into an archive  
(the data is gone and all i have are the audio cds to work with) and  
i have to be absolutely 100% certain that i have yanked all of the  
audio off the CD w/o dropouts or any other data loss...

I am not at all sure how to do this...

The only thing i can think of is to rip the audio several times and  
compare it and if it is the same then (under the crazy assumption  
that the rip would not drop data in the same place twice) .... but  
then i have to rip it several times which would take a LOT of time  
and a LOT of disk space... and then of course i would have to compare  
the soundfiles while ignoring the header ... ugh.. and the only way i  
can think to do this is to load both soundfiles in to a DAW, invert  
the phase of one and mix.... and then do an amp plot and check that  
each sample has summed to 0. ... you can see why i don't want to do  
this as i have dozens of CDs to archive....

so is there any fail-safe way to yank audio from CDs?

I am on a Mac, intel... os 10.4... I indeed have Max and Peak and  
Garbage band (i guess)....

Any help would be greatly appreciated...

cheers,

kevin




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