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Topic: Compressing iTunes Library (Read 3430 times) previous topic - next topic
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Compressing iTunes Library

Hi guys, I have been reading around looking for some info on this but have not found to much. I was wondering if there was a way to compress all my music so that i could save some space on my iphone. Actually so that i can fit all my song onto my iphone. I looked into OGG, but it seems that the iphone cannot play .ogg files. So is there a way to compress my music, and keep the same quality of sound? maybe by converting to another compression format?

Compressing iTunes Library

Reply #1 –
Your music, if you aren't using WAVs, FLAC, ALAC or another lossless codec, is already compressed. Any further compression will result in a reduction of sound quality. Whether sound quality or space is more important is up to you to decide.

Compressing iTunes Library

Reply #2 –
You could look into re-encoding your files to a lower bitrate using the iTunes AAC encoder, keep it at about 96kbps and above as it is a LC-AAC encoder.  Still, you aren't going to gain a whole lot of space if you are already using 128kbps AAC/mp3.  Knowing what format and bitrate your original files are in would help.

Compressing iTunes Library

Reply #3 –
i dont have anything below 128, mostly everything is above that in the 128-200 range. I only have a couple of files in tye 200+ range, but i have like 200+ at 320.
these numbers are just based off of itunes and hitting the view bitrate column

Compressing iTunes Library

Reply #4 –
File size is simply a function of BITRATE and paying time.  A 128kbps OGG file will be the same size as a 128kbps MP3 or AAC (except for perhaps some small overhead differences).

Bitrate is kilobits-per-second, and this can be scaled-up to megabytes-per-minute to find the file size.
 

Compressing iTunes Library

Reply #5 –
ok, but i heard that i could take a 320bitrate mp3, and transcode it to maybe 192 ogg, and it would have the same quality? is this true? if so, would a 192 ogg be smaller than a 320mp3?