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ReplayGain Reference Loudness
post Dec 7 2008, 20:01
Post #1

troll / ban evasion

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Hi everybody,

I've noticed that some of my lossless files have a tag field called %replaygain_reference_loudness%, which value is always the same : "89.0 dB" (as one would expect)

AFAIK audio players don't use that field since its value is always the same and it's probably 'hardcoded' somewhere inside the players' cores. For example when you use foobar2000 to calculate ReplayGain, it stores the results in several relevant fields (track gain, album gain...) but it does not store anything in a %replaygain_reference_loudness% field.

So can I assume this %replaygain_reference_loudness% tag field is totally useless and can be safely removed from my files ?

Thanks in advance.

This post has been edited by foorious: Dec 7 2008, 20:04
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post Dec 8 2008, 23:48
Post #2

ReplayGain developer

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Posts: 5663
Joined: 5-November 01
From: Yorkshire, UK
Member No.: 409

IMO It should not be there, and ReplayGain tags should always be quoted relative to 89dB. Having to rely on this tag breaks the standard.

It's different with hard coded gain adjustments, like mp3gain.

FWIW there was a player, J River Media Jukebox IIRC, that used 83dB. I don't know if it still does. IIRC There was a time when lame used 83dB, but it now uses 89dB. I think everyone else uses 89dB.

If there was any confusion (which I doubt), adding this tag wouldn't solve it because players will ignore it!

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