![]() ![]() u undo changes made by mp3gain (based on stored tag info) s r force re-calculation (do not read tag info) s s skip (ignore) stored tag info (do not read or write tags) s a use APEv2 tag for gain information (default) s i use ID3v2 tag for gain information if the file contained gain data in APEv2 s d delete stored tag info (no other processing) s c only check stored tag info (no other processing) f Force mp3gain to assume input file is an MPEG 2 Layer III file (i.e. T mp3gain modifies bytes in original file instead of writing to temp file. Modifying bytes in original file (This is the default in Debian) t mp3gain writes modified mp3 to temp file, then deletes original instead of o output is a database-friendly tab-delimited list m i modify suggested MP3 gain by integer i -d n modify suggested dB gain by floating-point n -c ignore clipping warning when applying gain Unchanged, but the average album loudness is normalized) a apply Album gain automatically (files are all from the same album: a single gainĬhange is applied to all files, so their loudness relative to each other remains k automatically lower Track gain to not clip audio r apply Track gain automatically (all files set to equal loudness) (ONLY works for STEREO mp3s, not Joint Stereo mp3s) ![]() l 1 i apply gain i to channel 1 (right channel) of mp3 without doing any analysis Works for STEREO mp3s, not Joint Stereo mp3s) l 0 i apply gain i to channel 0 (left channel) of mp3 without doing any analysis (ONLY g i apply gain i to mp3 without doing any analysis The method mp3gain uses to determine the desired volume is described at (link to URL ). Print the recommended gain change (and not modify the file at all) you may use the -s s The tag is writtenĮither in APEv2 format (default) or in ID3v2 format (with -s i). Some mp3 players refer to this as ReplayGain. In this case, the adjustment only works with mp3 players If none of the above options are given, the recommended gain change is instead written toĪ special tag in the mp3 file. This mode is activated by any of the options -r, -a, -g, or -l. no support for a special tag is required. The adjustment works with all mp3 players, i.e. Mp3gain optionally writes gain adjustments directly into the encoded data. There is no quality lost in theĬhange because the program adjusts the mp3 file directly, without decoding and re. Statistical analysis to determine how loud the file actually sounds to the human ear.Īlso, the changes mp3gain makes are completely lossless. Mp3gain does not just do peak normalization, as many normalizers do. Mp3gain can analyze and adjust mp3 files so that they have the same volume. This manual page was written for the Debian distribution because the original program does This manual page documents briefly the mp3gain command. ![]()
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