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Zombie
2014-01-23, 02:28
Any good, free or cheap programs out there?
Which is best: to lift the lower gain FLACs up to the highest level, lower the higher gain FLACs down to the lowest level or to normalise to a certain level?

Julf
2014-01-23, 02:54
Any good, free or cheap programs out there?

What platform? Windows, Mac, Linux, other?


Which is best: to lift the lower gain FLACs up to the highest level, lower the higher gain FLACs down to the lowest level or to normalise to a certain level?

It doesn't really matter, as you don't modify the actual wave data - it is only a relative value for the volume/gain control on replay.

garym
2014-01-23, 04:40
Any good, free or cheap programs out there?
Which is best: to lift the lower gain FLACs up to the highest level, lower the higher gain FLACs down to the lowest level or to normalise to a certain level?

foobar2000 is excellent for this. and as julf says, you're simply analyzing the files and adding RG tags. It is then up to your player to use those tags to adjust volume when played. The underlying audio is not changed. (this said, there are also ways to permanently change the underlying audio for volume normalization, but this is typically only used on mp3 files,etc that one is using in a car player that doesn't recognize RG tags. It's not something you'd do the lossless files.

aubuti
2014-01-23, 07:29
foobar2000 is excellent for this. and as julf says, you're simply analyzing the files and adding RG tags. It is then up to your player to use those tags to adjust volume when played. The underlying audio is not changed. (this said, there are also ways to permanently change the underlying audio for volume normalization, but this is typically only used on mp3 files,etc that one is using in a car player that doesn't recognize RG tags. It's not something you'd do the lossless files.
foobar2000 is indeed excellent for this, and so is dBpoweramp. On dBpoweramp it is in the "Batch Converter" module, but when set up correctly it doesn't really "convert" anything, it only adds the RG tags. dBpoweramp isn't free, but there is a 30-day free trial, and it is worth its modest price as a great ripping tool.

If the OP already has perl installed (eg, working on a *nix box) then Robin Bowes has a nice script called apply_replaygain.pl that will go through your library recursively and add track_gain and album_gain tags. You can probably find it on robinbowes.com.

As for the question of "Which is best: to lift the lower gain FLACs up to the highest level, lower the higher gain FLACs down to the lowest level or to normalise to a certain level?", all of this software sets the tags to a certain reference level. Doing it relative to the highest or lowest level in your library would be kind of bonkers, because (a) it would have to analyze your entire library to find the highest/lowest before writing the first tag, and (b) you'd potentially have to do it all over again every time you added a track to your library.

bakker_be
2014-01-24, 08:32
Another vote for Foobar2000. Another free* program on Windows which does this is Mediamonkey, which at the same time is a very good Media Management + tagging program, and using MonkeySqueeze can even be used to control a Squeezebox.


*The "lite" version is free, the paying gold edition adds quite a lot of nice features.

Nonreality
2014-02-02, 15:52
foobar2000 is indeed excellent for this, and so is dBpoweramp. On dBpoweramp it is in the "Batch Converter" module, but when set up correctly it doesn't really "convert" anything, it only adds the RG tags. dBpoweramp isn't free, but there is a 30-day free trial, and it is worth its modest price as a great ripping tool.

A +1 for dbpoweramp. So many uses that are perfect for Squeezebox owners. You can convert the actual tracks but not recommended unless you are just doing some music for a device that doesn't support RG. Much better to use tags. It also can write the new RG tags that I really don't know much about. Seems to lower the dB's a bit more.



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Zombie
2014-02-11, 14:38
Thank you