What about MP4. Are there portable or hi fi unit CD players that will play MP4?

P.

At 06:50 AM 14/09/2005 -0400, you wrote:
>I rip all my CDs to my hard drive. I used to save them as .wavs, because of
>the losslessness. but I recently uploaded over 5gigs of .m4a files from my
>brother's ipod. All together, they nearly filled up a 300gig external hard
>drive. So, I thought, I had better compress my .wavs. I was quite impressed
>with the sound quality of the .m4as (128kbps) that I'd gotten from my
>brother. So I decided to compress all my .wavs to .m4a, at 128kbps. The
>resulting sound quality was still very good, and I got the total size of my
>collection down to just over 40gigs.
>
>Dana
>----- Original Message -----
>From: "Jerry Richer" <[EMAIL PROTECTED]>
>To: "PC audio discussion list. " <Pc-audio@pc-audio.org>
>Sent: Wednesday, September 14, 2005 6:07 AM
>Subject: Re: transferring music collection to hard drive
>
>
> >     Scott!  Of course the best thing would be to save your CD content as
> > Wave files but if you can't afford the space then I would suggest that you
> > save them as MP3.  Other formats probably yield better quality audio such
> > as
> > OGG or WMA but they are no where near as popular and versatile.  For
> > example
> > you can't play OGG on an off the shelf CD player but you can probably play
> > MP3.
> >     With MP3 the rule is, the higher the bit rate the better the audio
> > quality.  A completely straight CD quality Wave file has a bit rate of
> > 1,378.125 KBPS.  Most people are happy with 128 KBPS and the people who
> > want
> > really high quality go for 320 KBPS.
> >     As opposed to pure Wave files an MP3 at 128 KBPS will shrink your
> > space
> > requirements down to more than one tenth and at 320 KBPS will shrink your
> > space requirements down to more than one quarter.
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> >
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