Thank you for being a valued part of the CNET community. As of December 1, 2020, the forums are in read-only format. In early 2021, CNET Forums will no longer be available. We are grateful for the participation and advice you have provided to one another over the years.

Thanks,

CNET Support

General discussion

MP3's burned on disc... best file format to copy them?

May 19, 2008 6:20AM PDT

I have several discs of MP3 downloads at various bitrates. I would like to copy these files to my hard drive (via iTunes) without further deteriorating the sound quality. Is it better to copy them as MP3's again, as they are already compressed, or should they be saved in a lossless format to avoid further compression?

Discussion is locked

- Collapse -
Stop converting them.
May 19, 2008 8:48AM PDT

With each conversion... loss. Just put them where you want and you're done. I did that and iTunes sync'd them just fine. No conversions noted here.
Bob

- Collapse -
What about the bitrate when I import the files?
May 19, 2008 10:10AM PDT

So I should just set iTunes to import them as MP3's? What setting would I select for bitrate? The files on the discs vary in bitrate.

- Collapse -
It never asked me. iTunes used them as-is.
May 19, 2008 10:11AM PDT

Just wondering. Have you used iTunes yet?

- Collapse -
hadnling mp3's on disc to ITunes
May 21, 2008 12:01PM PDT

Bob wrote:
"With each conversion... loss. Just put them where you want and you're done. I did that and iTunes sync'd them just fine. No conversions noted here. "

It was my understanding that taking mp3's off a cd would be just a copying process, you drag the mp3's from the disc (use Explorer to open the disc in XP) to your ITunes folder and then it will sync them, no loss at all.

MP3's are already lossy so copying them to a lossless format such as .flac or .ape would not make them any better. Lossless formats are best for creating files from cd's where the cd's are NOT already lossy.

What you want to do if the files are already mp3's is not to convert them again to other bit rates, but just copy them to your hard drive.