On May 21, 2012 11:22 PM, "luis jure" <l...@internet.com.uy> wrote: > > on 2012-05-21 at 22:14 Andrew Lowe wrote: > > > I have no intention of applying whatever process to the media machine, > > the tracks on that remain as ripped. I only want to "fiddle" the tracks > > on the memory stick. > > your files are mp3, right? what you want to do is fairly simple, just use > media-sound/mp3gain > > just direct your browser to http://mp3gain.sourceforge.net/ and get some > background. i haven't found much documentation on-line, just install it and > run mp3gain -h. > > i guess this is what you need, because: > > 1. the application does not perform normalization (which would mean > decoding and re-encoding ), it only adjusts the replaygain tag in the mp3 > file; > > 2. the adjustment is not based on peak amplitude, but on the ReplayGain > "loudness" algorithm (don't know much of the details, but basically it's > RMS calculation with some psychoacoustic adjustments, based on the "lodness > curve"). > > check these options: > > -r - apply Track gain automatically (all files set to equal loudness) > -k - automatically lower Track/Album gain to not clip audio > -a - apply Album gain automatically (files are all from the same > album: a single gain change is applied to all files, so their > loudness relative to each other remains unchanged, but the average > album loudness is normalized) >
Unfortunately, that only works with mp3 files. Since the OP explicitly mentions ogg, I can only recommend foobar2000. That said, if OP is willing to transcode his ogg (and flac, if any) collection to mp3, then I agree that mp3gain is the best, failsafe alternative (i.e., since it tweaks the "global gain" parameter of the mp3 file, virtually all music players will be compatible). Rgds,
