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Has the iTunes AAC encoder changed recently?, specifically between version 7.0.2.16 and the current 7.3.4
STL
post Oct 18 2007, 03:30
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I want to know if the iTunes AAC encoder has changed since 7.0.2.16? If so, are the changes -- overall -- for the good or bad? I don't want to upgrade if the current version of the encoder has some bad tweaks in it.

Moderation: Fixed typo in topic. ACC -> AAC. To help future searches.

This post has been edited by JensRex: Nov 6 2007, 19:47
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chrisgeleven
post Oct 27 2007, 02:08
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Great info. Thank you.

Too bad you can't access the true VBR mode from iTunes itself.


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ShowsOn
post Oct 27 2007, 05:35
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QUOTE (chrisgeleven @ Oct 27 2007, 10:08) *
Great info. Thank you.

Too bad you can't access the true VBR mode from iTunes itself.


Hopefully this comes soon, but it seems Apple like keeping the iTunes settings simple.

I suggest people send a feature request suggesting an ADVANCED tab that reveals full customisation of the AAC encoder.

http://www.apple.com/feedback/itunesapp.html

If this happens then it would make it possible to conduct listening tests to determine and what setting the VBR mode is transperant 95%+ of the time. My guess is it would produce files with sizes closer to 100 Kbps than 128 Kbps, thus enabling excelleng space saving compared to iTunes 128 Kbps default setting.

In fact, has the new iTunes in Leopard changed the default to ABR rather than CBR? Or is it still CBR (which I understand isn't actually true CBR due to the way AAC uses the bit resivour).


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Posts in this topic
- STL   Has the iTunes AAC encoder changed recently?   Oct 18 2007, 03:30
- - skuo   A new AAC-LC codec is available in the new Mac OS ...   Oct 18 2007, 18:51
|- - STL   QUOTE (skuo @ Oct 18 2007, 12:51) doesn...   Oct 18 2007, 19:13
|- - goodnews   Thanks skuo for the info. I just ordered my Leopar...   Oct 18 2007, 19:14
||- - skuo   QUOTE (goodnews @ Oct 18 2007, 11:14) May...   Oct 18 2007, 19:26
|- - dbAmp   QUOTE (skuo @ Oct 18 2007, 13:51) A new A...   Oct 20 2007, 03:42
||- - Mr VacBob   iTunes and QuickTime are not on the same release s...   Oct 20 2007, 04:25
|- - Busemann   QUOTE (skuo @ Oct 18 2007, 09:51) A new A...   Oct 26 2007, 14:43
|- - ShowsOn   QUOTE (Busemann @ Oct 26 2007, 22:43) I j...   Oct 26 2007, 17:34
||- - skuo   QUOTE (ShowsOn @ Oct 26 2007, 09:34) Is i...   Oct 26 2007, 18:08
|- - skuo   QUOTE (Busemann @ Oct 26 2007, 06:43) The...   Oct 26 2007, 17:56
|- - Busemann   QUOTE (skuo @ Oct 26 2007, 08:56) Althoug...   Oct 26 2007, 19:51
|- - skuo   QUOTE (Busemann @ Oct 26 2007, 11:51) Is ...   Oct 27 2007, 01:43
|- - Busemann   QUOTE (skuo @ Oct 26 2007, 16:43) QUOTE (...   Oct 27 2007, 17:30
|- - adlai   QUOTE (Busemann @ Oct 27 2007, 08:30) QUO...   Oct 28 2007, 05:03
- - jarsonic   i wonder if iTunes will be able to do multiple fil...   Oct 18 2007, 19:12
- - Enig123   I spotted an AAC-LD Codec in the whatsnew list.   Oct 20 2007, 06:48
|- - dbAmp   QUOTE (Enig123 @ Oct 20 2007, 01:48) I sp...   Oct 20 2007, 07:04
|- - skuo   QUOTE (dbAmp @ Oct 19 2007, 23:04) AAC-LD...   Oct 26 2007, 18:26
|- - goodnews   Anyone know what version of FLAC is being supporte...   Oct 26 2007, 18:59
- - enry2k   still no high efficiency aac in Leopard? Has Apple...   Oct 22 2007, 22:23
|- - eofor   QUOTE (enry2k @ Oct 22 2007, 23:23) still...   Oct 23 2007, 20:09
- - kornchild2002   I thought that a new version of iTunes and QuickTi...   Oct 23 2007, 22:22
|- - chrisgeleven   QUOTE (kornchild2002 @ Oct 23 2007, 17:22...   Oct 24 2007, 03:04
|- - dbAmp   QUOTE (chrisgeleven @ Oct 23 2007, 22:04)...   Oct 24 2007, 05:20
- - kornchild2002   It is nice to hear that a new AAC encoder is being...   Oct 26 2007, 19:19
- - dbAmp   Correct me if I'm wrong... but wasn't it s...   Oct 26 2007, 22:19
- - chrisgeleven   Great info. Thank you. Too bad you can't acce...   Oct 27 2007, 02:08
|- - ShowsOn   QUOTE (chrisgeleven @ Oct 27 2007, 10:08)...   Oct 27 2007, 05:35
- - WarChild   Many thanks for the info skuo. It is very helpful....   Oct 27 2007, 07:20
- - chrisgeleven   I imagine you would have to wait for a new Windows...   Oct 28 2007, 23:32
- - Enig123   Apple have their iTunes 7.5, together with QuickTi...   Nov 6 2007, 01:36
|- - Serge Smirnoff   QUOTE (Enig123 @ Nov 6 2007, 04:36) Apple...   Nov 7 2007, 21:29
- - chichazor   I don't know if is the latest aac codec but is...   Nov 6 2007, 01:53
- - chrisgeleven   Well in theory, you would think that the QuickTime...   Nov 6 2007, 02:40
|- - dougscripts   QUOTE (chrisgeleven @ Nov 5 2007, 20:40) ...   Nov 16 2007, 21:41
|- - ozmosis82   QUOTE (dougscripts @ Nov 16 2007, 14:41) ...   Nov 16 2007, 22:44
- - ozmosis82   Is there a frontend or AppleScript available that ...   Nov 6 2007, 05:12
|- - Pepzhez   I'm pretty confused over what portion of the A...   Nov 6 2007, 06:35
|- - WarChild   QUOTE (Pepzhez @ Nov 6 2007, 05:35) EDIT:...   Nov 6 2007, 13:31
|- - Pepzhez   QUOTE (WarChild @ Nov 6 2007, 04:31) QUOT...   Nov 6 2007, 14:26
|- - WarChild   QUOTE (Pepzhez @ Nov 6 2007, 13:26) Expor...   Nov 6 2007, 16:54
- - Enig123   Oh, what a mess to get a true vbr encoded mp4 file...   Nov 6 2007, 15:26
- - dbAmp   So I don't know who else has looked into this ...   Nov 8 2007, 02:00
- - dbAmp   So I usually avoid bumping my own posts... but I h...   Nov 13 2007, 01:32
- - doubrown   I'm (temporarily I hope) swithching to the iTu...   Nov 14 2007, 23:28
|- - jamesbaud   QUOTE (doubrown @ Nov 14 2007, 15:28) I...   Nov 15 2007, 05:59
|- - Junon   QUOTE (doubrown @ Nov 14 2007, 23:28) I...   Nov 15 2007, 16:33
- - doubrown   Thanks. How would I utilize the true VBR mode from...   Nov 15 2007, 16:24
- - ozmosis82   Has anyone been able to figure out how to get file...   Nov 18 2007, 22:04
|- - Busemann   QUOTE (ozmosis82 @ Nov 18 2007, 13:04) Ha...   Nov 18 2007, 23:49
- - G-Force   Xlossless decoder will convert lossless files to t...   Nov 19 2007, 02:05
- - ozmosis82   QUOTE (G-Force @ Nov 18 2007, 20:05)...   Nov 19 2007, 08:09
- - rudefyet   Max should also support the new VBR mode soon, but...   Nov 19 2007, 09:14
- - Nick E   QUOTE (rudefyet @ Nov 19 2007, 02:14) Max...   Nov 19 2007, 10:31


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