HD capacity needs for storing audio CDs

[Bill Spencer]

Hi there: I'm considering transferring all my commercial audio CDs to HD 
storage, and wonder if there's a rule of thumb about how many CDs would fit 
onto a drive of X capacity. For example, if I had say 100 CDs that each 
included 70 minutes of music, how big would the HD need to be to 
accommodate all those CDs (encoded in a lossless format)? I think I would 
prefer not to store them as data files since I would want to be able to 
play them back via iTunes, but I'm not necessarily wedded to that idea.

Or, is there a more efficient way to do what I want to do without 
compromising the audio quality? In short, what do I need to bear in mind if 
I decide to transfer them all?

As always, my thanks in advance!

Bill Spencer in Maryland
late 2014 Mini/256gb SSD/10.10.4 (I think)

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Re: HD capacity needs for storing audio CDs

[W.Adrian D'Alessio]

Or just buy the biggest fastest drive your CPU box has a port to handle and
your Wallet can afford .

Then go from there. No one, including you, can predict the actual reduced
size of each file. Averages  lead to disappointment in my experience.
Knowing what level of quality you can live with may help but you will find
yourself collecting a lot of files from a lot of sources with differing
quality and therefore a wide range of sizes.

Yes, you can set up preference settings for rips but you will find  you
really need some changeable presets to accommodate the disks you source
from as their quality has varied according to the technology and studio
savvy of their origin.

If 3-4 TBs for around $100 or less for an external USB 3 seems out of the
question an sober assessment of the listening needs may help.

Wallet size can simplify the choice.



Adrian D'Alessio aka; Fluxstringer
fluxstrin...@gmail.com
http://www.flickr.com/photos/fluxstreamcommunication/
http://www.facebook.com/FluxStringer
https://www.youtube.com/user/fluxstringer
http://www.linkedin.com/in/fluxstreamcommunications
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http://fluxdreams.designbinder.com/




On Fri, Oct 2, 2015 at 12:03 PM, Bruce Johnson  wrote:

>
> > On Oct 2, 2015, at 8:42 AM, Bill Spencer  wrote:
> >
> > Hi there: I'm considering transferring all my commercial audio CDs to HD
> storage, and wonder if there's a rule of thumb about how many CDs would fit
> onto a drive of X capacity. For example, if I had say 100 CDs that each
> included 70 minutes of music, how big would the HD need to be to
> accommodate all those CDs (encoded in a lossless format)?
>
> It depends on the format.
>
> If you rip a 650 MB CD to a .wav or .aiff format you use 650 MB or a
> little more depending on the format overhead; they perform no compression
> at all.
>
> Using FLAC or ALAC (Apple Lossless), you can get 50% or better compression
> of the file, depending on the music, at the cost of considerable time spent
> ripping the CDs. Both are akin to .zip files, in that they do lossless
> compression.
>
>
> --
> Bruce Johnson
> University of Arizona
> College of Pharmacy
> Information Technology Group
>
> Institutions do not have opinions, merely customs
>
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