Bug in iTunes 9.0 Sound Check ?

In iTunes 8.x when you add a new song to iTunes (with Sound Check enabled)
iTunes adjusts or adds the "normalization information" ID3 tag for the song.
iTunes 9.0 doesn't do this anymore.
Is this a bug in iTunes 9.0.0.70 ?
Ps: Programs like iVolume rely on this info.
Edit: 10/09 16:09

See this -> Don’t Panic
"Yesterday (09/09/09, by the way) Apple released iTunes 9. Unfortunately it has a nasty bug that prevents iVolume from analyzing songs that have been imported from a file. All other songs – that is purchased, ripped or converted songs – will still be processed fine by iVolume.
We put highest priority on this issue. All other projects have been interrupted in order to restore full compatibility with iTunes 9 as soon as possible. We already found a solution and are currently busy implementing it. Things look good so far.
So please be patient, a new version of iVolume will be released very soon"

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ITunes / iPod EQ & Sound Check

I searched iPod help, and it told me to look at iTunes help, and that didn't answer my question.
Personally, I think the iPod EQ presets suck donkeys. How do I or can I adjust the iTunes EQ & save it as a preset....then apply it to the iPod so I can use that preset?
Also, while I'm at it: If I use the Sound Check in iTunes, does it physically change the .mp3 file...meaning if iTunes adjusted the volume DOWN on a song, would that song play at a lower volume if I open it with another program. Does that make sense??
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*How do I or can I adjust the iTunes EQ & save it as a preset....then apply it to the iPod so I can use that preset?*
You can't.
Only the iTunes presets are used on the iPod. Any custom EQs are not.
*meaning if iTunes adjusted the volume DOWN on a song, would that song play at a lower volume if I open it with another program*
No it will not play lower. The Sound Check adjustment is set in one of the ID3 tags. It does not adjust the music itself.

ITunes 12 have sound check?

Does iTunes 12 have the Sound Check feature
Cannot see a way to enable it.

Ed,
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Ed.

Sound Check in iTunes 10.6 is different versus Sound Check in iTunes 8.2

Hi. My OS is Windows 7 Pro-64.
I have lots of CD and I decided to convert them in an mp3 library imported in iTunes (and “manually” in an iPod Classic) with Sound Check on (either in iTunes, or in iPod). I managed it with Windows XP and iTunes 8.2 till last year. I always verified the Volume adjustment of each mp3 and the correlated hex values written in the field iTunNorm (using mp3Tag). So far I was quite satisfied of Sound Check because I use iPod like a “juke-box” (I don’t need a per album normalization).
Last year I updated to Windows 7_64 and to iTunes 10.6 and I went on importing other mp3 files (from my CDs). But, with some test, (I imported the same file using iTunes 8 on a PC and using iTunes 10 on a different PC) I realized (with a very high probability) that:
iTunes 10 apparently don't write iTunNorm tag anymore in the file mp3. I have a Volume adjustment, but with mp3Tag I can’t read any iTunNorm field with the famous ten hex values.
iTunes 10 and iTunes 8 use a different way to calculate Sound Check; Volume adjustments calculated with iTunes 10 are lower of about 0,75-1,25 dB in average against iTunes 8. But sometimes the difference may be very high (-3,5 dB or -5dB for example in iTunes 10 versus iTunes 8).
When I updated to iTunes 10, my old library has been converted into the new format iTunes 10, but the old Sound Check (calculated with iTunes 8) did not change (no new calculation). So when I add new files to the library with iTunes 10, I have a discontinuity with the old files imported from iTunes 8 as far as Sound Check is concerned: the new files sound lower in average than the old ones.
I don’t want to delete and re-import all my files in order to reset and homogenize the whole library (I’d lose all statistics and I’d waste lot of time to pass the file in iPod). And I don’t want using third part software like iVolume.
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Is it correct what I wrote at the point 1, 2, 3 stated over here and mainly at the point 2 (Different way to calculate Volume adjustments of iTunes 10 versus iTune 8)?
Did iTunes 10 stop to use iTunNorm field to write Check Sound info in mp3 files?
If not, where iTunes 10 write Sound Check info to the mp3 file and how can I read it?
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Assuming that one has the 'Sound Check' feature
selected in both iTunes and on the iPod, do the
volume changes take place when obtaining the audio
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For the 4G and later iPod's, yes, Line Out is affected by Sound Check.
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will my iPod mini (2nd Gen) send the adjusted volume
through the dock connector?
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Any way of using another method to bring the song
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I have some rudimentary questions about iTunes, and the "Sound Check" feature in particular.
I've just completed converting my 18K FLAC song library into ALAC, mainly to use iTunes Genius mixes and to be more compatible with my iPhone and Touch. My library was ripped a few years ago when I bought my Sonos system to get whole-house music. At that time, I ripped my CD's into the FLAC to maintain the highest sound quality possible. No equalization was applied during the ripping.
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Thanks for the reply Jim and for the link to the KB article. I looked through all the tags by showing each one, but I didn't see any that looked like they were populated by Sound Check. I'll read the link you provided to find out more.
Jim VanLeeuwen wrote:
I have used iVolume for some time and have been very satisfied. Of course, at age 64 I no longer have audiophile hearing. You can get information here: http://www.mani.de/ivolume/index.html
I have 52 year-old ears, both of which have tinnitus, so I know about my lack of audiophile hearing I just want to make sure that I don't mess up the audio quality of my songs for the next generation
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John_Neumann wrote:
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Bug in iTunes 9.0 Sound Check ?

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