6/7: The peak value (maximum sample) as absolute (positive) value therefore up to 32768 (for songs using 16-Bit samples).4/5: Not sure, but always the same values for songs that only differ in volume - so maybe the »listenability index«.0/1: Volume adjustment in milliWatt/ dBm.The first value of each pair is for the left audio channel, the second value of each pair is for the right channel.
The relevant information is what is encoded in these 5 value pairs. The tag can be found in MP3, AIFF, AAC and Apple Lossless files. These 10 values are encoded as ASCII Hex values of 8 characters each inside the tag (plus a space as prefix). The iTunNORM tag consists of 5 value pairs. but the regular soundcheck track values are virtually identical to what you are getting with replaygain track values. I do this so I can make the soundcheck values "album gain". it will then create new itunnorm values automatically. Or simply delete files from itunes, then readd files. If you think your itunnorm values are messed up, the best thing to do is simply delete the ITUNNORM field in mass, then rerun your mp3tag action on all the files to create new itunnorm tags from the replaygain values. There should be some repeats (see one of my examples below). Maybe you're saying that the itunnorm value is repeated many, many times for a single track. The itunnorm values are always a very long string of numbers/letters. each track has a different replaygain value and a different itunnorm value. Perhaps I'm misunderstanding your question.
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