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QuuxPlayer Features: Volume Leveling and Replay Gain
You probably have many digital music files, and it's likely that they have been encoded by different methods, resulting in different average volumes. If you've ever been surprised when a new song comes on and you rush to the volume control, you know what we mean. The solution for this problem is a technology called Replay Gain, which adjusts the volume automatically based on the average sound level in each file. The averaging can be done on a song-by-song or album-by-album basis, and QuuxPlayer supports either method. Just select Replay Gain from the Options menu to get started.
For replay gain to work, your files need to be analyzed to determine their average volume. Some files may already have tags embedded, but if they don't you can have QuuxPlayer scan and analyze them to determine the needed information. Because scanning takes a long time (2 to 10 seconds per file, on average) it is usually done in a batch, all at once.
To have QuuxPlayer scan files, select the files you want to analyze, and choose Analyze Selected Tracks from the Replay Gain menu. If you're not sure which files have tags and which don't you can turn on the Replay Gain column in the main view (Right click, choose Show Columns, then Replay Gain). Alternatively, you can just select all files (Control-A) and after you invoke the analyzer, choose "Analyze only unanalyzed tracks." The process can take a long time if you have lots of files, but you can use all other features of QuuxPlayer while it is in progress.
If you are going to copy or move your files to another location and you want the replay gain information to be saved, check the Save Replay Gain Tags In Files After Analysis checkbox. This will only embed tags with the replay gain values in your files–it will not degrade the sound quality in any way.
Note: QuuxPlayer uses the standard reference level of 89dB for setting replay gain values.
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