X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=afs.cmd;h=5c9f1ecb5c78cd01a8dbcf86b7adc5cd4e6449d5;hp=8d8ee12347b89ee69fa1647b6383fa61a7eb181d;hb=122af971c336b33df2e7233d3cea3287bbdae712;hpb=d20b524267f4c0594e0246643853db8cba68fa10

diff --git a/afs.cmd b/afs.cmd
index 8d8ee123..5c9f1ecb 100644
--- a/afs.cmd
+++ b/afs.cmd
@@ -202,7 +202,13 @@ H: 	this audio file.
 H:
 H: -i	Set the image id. Same as -y, but sets the image.
 H:
-H: -a	Set the amplification value (0-255).
+H: -a	Set the amplification value (0-255). This determines a scaling
+H:	factor by which the amplitude should be multiplied in order to
+H:	normalize the volume of the audio file.  A value of zero means
+H:	no amplification, 64 means the amplitude should be multiplied
+H:	by a factor of two, 128 by three and so on.
+H:
+H:	This value is used by the compress filter.
 H:
 H: -v	Verbose mode. Explain what is being done.
 H: