wav file sizes on CD

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Jonno

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Jul 15, 2001
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I seem to have a problem with the size of my files when recording onto PC. I'm using Cool Edit Pro, recording at a sample rate of 44100 Hz in stereo with 16-bit resolution (which I've always thought were CD properties). However the files are bigger than they should be for the length of time they are, e.g. a 76 min long mix is 790 Mb which is too big for a standard CDR (700 Mb), even though these are supposed to be 80 min long at those sample rates and such like.

Can anyone shed any light on this? Am I missing something obvious?
 
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ilovepiano

Active member
Jul 9, 2002
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I'd only be concerned with the running time of the wav files. As long as they're at 16bit / 44.1KHz then that should be fine.

I'm sure it's something to do with the way the data is written that will enable it to fit, even though the files seem to big.

Like, you can fit a 716Mb Divx movie on a 700Mb CD.

If you're burning with Nero or whatever, you should be able to check the running time and see if it fits. :thumbsup:
 
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ilovepiano

Active member
Jul 9, 2002
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Dunno then mate, that is wierd. Coz like you put in your top post you should be allowed up to 80mins of CD quality audio. :S
 
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sirius

Registered Member
Dec 28, 2001
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I may be barking up the wrong tree totally, but I think just because those in the commercial industry fit 80 mins on a CD at CD quality doeant necessarily mean its cut raw at the plant/studio. Perhaps some filtration of redundant frequencies/mastering may be required to just squeeze off that excess 'info' in the wav file?.

Also, as you will know (I always stae the obvious), if you need to play it on a regular CD player (ie not an mp3 player compatible drive) you will need the .cda format. Try a few different 'save as' formats such as .wma etc and reopen and save them as wav if you need to, may be worth a try. Or open the file in another program and re-save it.


Ive never had that before so I may be sprouting shite lol. Some of my porn movies are 724mb get fit on a 700mb CD :$ lol. Ive never liked nero, Ive always used Roxio Media Creator for DVD's and CD's, and before that, thier predecessor Adaptec. We have Nero at work, its dire in my opinion.

Have a do in cubase, and resave it/export it as a spare file.

Sirius.
 
B

blue jammer

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Dec 9, 2003
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You can get upto 800Mb or more on a 700Mb CD-R, if it's written as 'audio cd'.

If Nero doesn't like it, un-install Nero and re-install a later version (6 perhaps) and you'll be fine.

The only other thing I could think of if any markers have been left on the file from Cool Edit (I assume it behaves in a similar fashion to Wavelab or Sound Forge)

The slower you write an audio CD-R, the less errors you'll have - timing errors can manifest with anything written at + 4x speed, causing the CD to not advance beyond the end of some tracks in *some* stand alone CD players.

Just a wee bit of techie advice there as I had all this when submitting my own master CD-R at a pressing plant.
 
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