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(Post Link) post #1 of 8 Old 18-09-13 Thread Starter
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Downrating mp3's with iTunes

There is an option on iTunes to reduce the bitrate of music you send to another device so you can fit more on.

I'm tempted to use it, since I have everything on the computer at 320, and it limits what you can fit on the phone.

But what happens to the music? I can only assume that the higher bitrate is retained on the computer. Does iTunes know to only play the higher bitrate? Or do you end up with 2 copies of each song annoyingly on the computer?

In fact, I'd probably prefer if I knew iTunes puts them somewhere entirely different, otherwise I could see Google Play and my Squeezebox starting to count both versions.

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I'm pretty sure iTunes makes a copy with the different bitrate and retains the original (just like iPhoto does with photos that are edited).

Try with one mp3 file and see

Last edited by BigFoot; 19-09-13 at 14:32. Reason: grammar!
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(Post Link) post #3 of 8 Old 19-09-13 Thread Starter
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That seems like an extremely simple and good idea. Assuming it allows me to do it with just one.

Thanks BF.
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I doesn't store a copy, it just encodes it into the lower bitrate as it transfers to the iPod/iPhone.
You will notice a major difference if you are using headphones though.
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Just a FYI Bazza, but what you are talking about is called on the fly transcoding that might help with google searches and the like
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(Post Link) post #6 of 8 Old 21-09-13 Thread Starter
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On the little I had read, I was pretty sure that it does store a copy - because the first time it transfers any song it takes a long time, because of the re-encoding. Any future time it transfers that song, it is much quicker as it only has to copy it across.

It hasn't changed iTunes to see two copies anyway, so I've gone for it.
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Can't see point of re-encoding music below 320kbps. I have all my music at 320 Kbps some VBR some CBR. I have around 800 tracks or 2.1 days worth of music on my 16gb iPhone and I still have 2.5 gb spare. Do you have a phone with no capacity Bazza or is there another reason? If you re-encoded to 256 Kbps you wouldn't hear much difference but to compare 320 to 128 for example you will hears big difference.
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(Post Link) post #8 of 8 Old 23-09-13 Thread Starter
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While 800 tracks is a lot back to back, it doesn't really give me the range across my collection that I'd like.

I haven't considered bitrate for ages, since I settled on 320, so had forgotten all I knew about it. I am now remembering that 128 is rather low (rather than the standard I was misremembering it as) and wishing I'd plumped for 256.
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