How do you convert a higher bit rate music to 128 kbps AAC?

How do convert a higher bit rate music to 128 kbps AAC?

Select "Convert higher bitrate songs to 128 kbps AAC" - http://forums.macrumors.com/showthread.php?t=303772 - discussion from 2007

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  • Using the "Convert higher bit rate songs to 128 kbps AAC" feature...

    I recently discovered the "Convert higher bit rate songs to 128 kbps AAC" feature and used it to copy my entire 70 GB music library to my 64GB iPad. The music library now occupies only 45 GB. Awesome!!!
    Unfortunately, the whole process took well over 24++ hours on my quad core Windows 7 computer (takes about 6 seconds per track). Questions:
    1. Is it possible to speed up the process? Even though I am using iTunes 64-bit version, it seems that at no point is more than a single core being used at 33%. Seems to me like overall 8% of the CPU (33% / 4) capacity is being used for the conversion and 92% is being left idle. Is this just bad programming or is there anything I can do to speed up the process? Others see similar problems?
    2. Now I have already started dreading the day, I need to restore my iPad (e.g., when OS version 4 becomes available). I would hate to have to do this process all over again. Should I need to restore my iPad, is there anyway I can force iTunes to back up the 128-bit AAC versions on my computer and restore it up from there?
    Any insights into both these questions will be deeply appreciated.
    Cheers,

    ed2345 wrote:
    malus_domestica wrote:
    Thanks for the response.
    So, I am wondering why iTunes uses only 8% of the processor power in converting the songs.
    Possible reasons not to grab more of the CPU power (1) maybe the process is I/O bound due to all the writing, and is not processor limited? (2) since conversion is almost always a background program, and the user will typically have other things going on, maybe it intentionally limits CPU use?
    I ran a few quick experiments (out of curiosity) and think the answer is #2. No apparent technical reason but potentially a limitation introduced by Apple's engineers to maintain a good user experience (for some people at least). I fired up 4 instances of dbpoweramp and ran multiple conversions and found that the process goes faster than what iTunes can do by an order of magnitude. With luck, someday Apple will have an option for users to select how much of processor bandwidth to be allocated for the conversion.

  • HT1535 How do i convert higher bit rate songs to 128 kbps AAC

    I am trying to sync selected songs to my Iphone 5 from my itunes library. I have recently taken my computer to be fixed and all of my music documents were taken off but the files were replaced shorty after. I re-downloaded itunes and it is up to date. My iphone is also on the ios 7.0.4. Whenever i plug my phone in to be synced it never goes past the "waiting for changes to be applied" step. While my phone was still connected i went to the "On this iphone" tab and clicked the autofill button and a message came up that said i must convert higher bit rate songs to 128 kbps ACC to allow the songs to be copied to my iphone. How do i do this? Also, once this is done will it solve my problem with transfeering my songs from my library to my iphone?

    Sid,
    With the device connected, click the Summary tab and you will see the "Convert higher bit rate..." option.  Set it to 128.  See picture below:

  • I am tying to add music from a disk i imported but it says "convert higher bit rate songs to 128 kbps AAC"? How do i do this?

    How do i convert the bit rate to 128 kbps? Having difficulty figuring that out

    Add to what?  An iOS device (of which you make no mention)?
    https://discussions.apple.com/message/18341150 (picture for iPad)

  • "Convert higher bit rate songs to 128 kbps AAC" doesn't allow full fill

    Hi,
    The 128 kbps option does indeed shrink the size of the songs on my 3GS iPhone when using iTunes 9.1, but it won't let me fill it up it and complains that I have more music than can fit. I have been playing with this and for test purposes have 3 playlists. I am able to sync the first 2 and have >15GB free. I add the 3rd playlist which has only 8 GB in it and the sync fails saying that there isn't enough room. I have tried rebooting the iPhone and the Mac Pro both of which are on the latest version/service pack of their respective OS's.
    The only thing that I might have that is non-standard, is that some reasonable portion of my music is encoded at 320 kbps rather than 256 kbps.
    Anyone have any idea what is happening?
    --Jonathan

    Try redownloading iTunes from www.apple.com/itunes. It will show that you are still downloading/installing version 9.1.1 but it is build 12, instead of buill 11. This new build wasn't in Software Update but version 9.1.1 (11) had issues with this conversion to 128 kbps. Version 9.1.1 (12) fixes it.

  • What does convert higher bit rates songs to 128 kbps mean

    what does convert higher bit rate songs to 128 kbps mean?

    pattyfromsyracuse wrote:
    what does convert higher bit rate songs to 128 kbps mean?
    Some people, myself included, import their music from original audio CDs. When doing so I choose to import using Apple Lossless format so as to keep the full original quality of the audio CDs (this is after all why it is called Apple Lossless format in that you are not losing any quality).
    The drawback of doing this is that the music files take a lot more disk space than a lossy format like MP3 or AAC. This is these days not a problem on a computer as hard disk space is now cheap an plentiful but it can be a problem on a flash memory based music player like the iPod Shuffle, iPod Nano, iPod Touch, or iPhone as these have far less capacity.
    Therefore Apple now let you turn on this option to automatically convert from Apple Lossless to AAC when syncing to one of these music players. As a result on your computer the music is still kept in the full lossless high quality format, but is converted and transferred as a much smaller but slightly lower quality for use on these music players. As with an iPod you are not listening in a quiet room with high quality speakers you will not really notice the difference in quality.

  • Music Skips Some Songs After Choosing "Convert higher bit rate songs to 128 kbps" Option

    I have so much music and choosing "convert to 128 Kbps" option makes it from 18 Gb to around 6 gbs but sometimes a few songs are ther

    Meg St._Clair wrote:
    "Convert" tends to be a confusing term. What iTunes does is make another copy of the track at the lower bit rate for transfer to the Shuffle. Your original, higher bitrate file remains untouched.
    Actually, iTunes converts the track on-the-fly while loading it on the shuffle. NO copy of the downconverted track is kept. The same process will occur IF you decide to delete the track from the shuffle and then happen to want to put it on the shuffle again.

  • Re-encode high bit rate music during sync?

    The iPod Shuffle has a great feature during music sync which allows you to have iTunes automatically re-encode high bit rate music rates to 128kb/s AAC during sync. There doesn't appear to be a way to enable this option for other iPods, including the iPhone.
    Does anyone know a way to get this functionality for the iPhone? With the amount of apps and photos I have on my phone, it leaves little space for music and my entire collection is high bit rate.

    I'm not aware of a way to get this functionality with an iPhone. Lowering the rate for music in your iTunes library which was encoded at a higher rate when imported into your iTunes library reduces the sound quality more than if the chosen lower rate was selected for the encoder option when importing the music originally.
    Depending on the available storage space on your computer, or on an external drive for your iTunes library, you can re-encode the music you want transferred to your iPhone followed by placing the lower rate music in an iTunes playlist that is selected to be transferred to your iPhone.

  • Hi, I'm trying to convert my music to 128 kbps AAC, How do I do that?? Thank you

    Hi, I'm trying to convert my music to 128 kbps AAC, How do I do that?? Thank you

    Hi Dawn,
    Open iTunes and select preferences under the itunes menu. under the General tab look for import settings. Select AAC as the encoder and 128kbs. then open your main iTunes window and select some music you want to convert, then look under the advanced menu and one of the options should say create AAC version. Andor if your sending music to an iphone or iPod there is anoption in the device preferences that will do the same thing.

  • How do I convert Ineligible (low bit rate, language lesions) to be eligible

    I have a huge amount of language lessions that are 64kb encodings.  They are absolutely fine for my use.
    But my paid iTunes Match subscription refuses to upload them.  I tried converting one to AAC but that did not help.
    As I understand it, there are two problems: the low bit rate, and the genre is Books & Spoken .. both of which are not uploaded.
    The genre is fine, I can change that to something that is "eligible".  But the bit rate is a problem.
    So how do I manage these language lessions so that the ones I want in iTunes match are elegible?  I don't have all the original CDs and certainly don't want to re-rip them anyway, there are too many!
    My guess is that I have to find an audio converter program and have them upgraded to whatever bitrate iTunes Match needs, and to change the genre to an elegible name, right?

    Thanks guys.  It apparently works to simply convert to AAC 128kbs.  The genre lable seems to be OK as Books & Spoken.
    There were some bumps along the way, ending up with 3 of each lesson at one point! .. But I think this is all going to work just fine.
    It does seem bizzare that this rule is in place, and certainly is going to end up with a LOT of unhappy customers.
    Folks should be aware that the AAC conversion creates a copy so the originals can be saved after the conversion, then deleted from the Library.

  • How do I add a higher bit rate Video track to a completed project

    I have a pretty complex, time consuming project that includes a 2hr HDV track. After completing the DVD project with chapters added to my 2hr track in DVD studio pro 3, It apeared I could fit a higher bitrate encoded track on a double layerd disc. I've encoded the project again and now want to replace my lower quality track with the higher one.
    will I loose my chapter points and what happends to my sub-chapter menus that are perfect as is?
    Dual Core 2.5 G5   Mac OS X (10.4.7)  

    First (to play safe) make a back-up copy of the DVD SP project file - ie just the frankproject.dspproj
    Will I lose my chapter points and what happens to my sub-chapter menus that are perfect as is?
    No you won't ...
    Open your project. Import the new 2hr vision track (2hrvision_new.m2v) into DVD SP. Highlight the old vision on the timeline. Delete it. (All the chapter markers will stay put in empty space at this stage.) Drop 2hrvision_new.m2v onto V1 of the timeline. That should be it. If you don't have compression markers in your new mpeg you may have to tweak the exact positioning of the chapter markers; but if you do have compression markers the GOP boundaries will be the same and the chapter positions shouldn't move.
    If you have any problems you've still got the back-up project you made earlier, and you can try over again.

  • When I Tick Convert higher bit rate songs to 128kbps and press sync it says are you sure you want to remove apps. Help please

    Hi, I recently put music on my ipad (manually, I do not sync because I dont like leaving music in my itunes) I realised they take up a lot of space because of the bit rate so I went into iTunes and pressed "Convert higher bit rate songs to 128 kbps AAC" Then I pressed apply and I got the message "Are you sure you want to remover 113 apps......." I have checked and sync Apps is unticked so my question is why does it say this and is there a way around it. Also if i tick convert to AAC will it convert the songs already on my ipad or just ones I add from now on.

    SeasiderChris wrote:
    Hi, I recently put music on my ipad (manually, I do not sync because I dont like leaving music in my itunes
    Why not? That's what it is for.
    So Restoring your iPad when it crashes and losing all your music is acceptable to you?
    Then I pressed apply and I got the message "Are you sure you want to remover 113 apps......." I have checked and sync Apps is unticked so my question is why does it say this and is there a way around it.
    Since you now want to sync the iPad and have told it you do not want to sync apps, it will remove them all.
    Check the apps you want on the iPad.
    Also if i tick convert to AAC will it convert the songs already on my ipad or just ones I add from now on.
    It will only convert new songs added to the iPad.

  • Convert higher bit rate songs?

    This is an option on the device screen every tme I sync my iPod touch - now at OS v6.
    Should I click on it and convert? And if so, to which kbps setting?

    On-the-fly conversion is only available on the iPod shuffle. The iPod shuffle (probably because of it's limited capacity) has the option to "Convert higher bit rate songs to 128 kbps AAC". This option is not available for any other model iPod. Syncing anything larger than a shuffle and converting in the process would be a very slow process. For the larger iPods the files have to be converted in iTunes first or indeed have to have been imported in a compressed format prior to transfer.
    There are a couple of ways to handle this, one is to convert the songs in your library and put them in a playlist to sync the iPod from, the other is to have a second library of compressed songs and sync the iPod from there:
    iPod - Syncing Music
    Using multiple iTunes libraries -Mac

  • My iPod Nano 6th Gen, Crashes whilst performing "Convert Higher Bit Rate to 128 AAC" in iTunes.

    Hi Guys,
    I have a 6 week old iPod Nano 16Gb.
    I have about 2500 songs, which would be coming up to 18Gb, so instead of selecting which albums I want, I've taken the lazy approach and ticked the "Convert higher bit rate songs to 128 AAC".
    As you all know, it does the coversion on the fly, roughly about 8 sec on average per song. Being a slow Core Duo T2500, it takes its time and I have to leave it over night whilst it does it.
    Come back in the morning and the watch had the 'White Screen of Death', displaying on the screen like the Apple IIe days of "OK to disconnect"
    Then it goes blank and then it says iTunes (picture of a plug), under that, connect to restore.
    Plug it into iTunes and it does a full restore with nothing in it.
    I hope I explained it ok.
    Im kinda think its not the Nano, as I've filled it up with music and photos to its capacity and works fine.
    Would it be something to do with "Enable disk use", to stop it from connecting and disconnecting after syncing?
    Any ideas?
    Thanks Guys.

    I have the same problem and can't seem to figure out what the problem is. I rebuilt my iTunes library and still my 6G nano crahes whenever I load an AAC tune onto it.  MP3s and podcasts all work fine, it's just the AACs... 
    Just *loading* an AAC song will cause the Nano 6G to reboot as soon as it disconnects from Itunes. It will then reboot a few times and then go into recovery mode. :-(
    Karen

  • HT204406 how do I download higher bit rate songs from itunes match to replace the lower bit rate I have on my itunes library?

    I have itunes match and I have about 500 songs that were ripped at 128kbps. I have been tolf that I can replace them via itunes match to improve them to 256 or 320?
    I have put them into a playlist in my itunes library and I want to know how I can upgrade their bit rate via itunes match. Can anyone help me?

    Sid,
    With the device connected, click the Summary tab and you will see the "Convert higher bit rate..." option.  Set it to 128.  See picture below:

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