[gstreamer-bugs] [Bug 340362] [PATCH] new plugin - hardlimiter

[GStreamer (bugzilla.gnome.org)]

Do not reply to this via email (we are currently unable to handle email
responses and they get discarded).  You can add comments to this bug at
http://bugzilla.gnome.org/show_bug.cgi?id=340362

GStreamer | gst-plugins-bad | Ver: HEAD CVS


Stefan Kost (gstreamer, gtkdoc dev) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ensonic at sonicpulse.de




------- Comment #11 from Stefan Kost (gstreamer, gtkdoc dev)  2006-09-30 18:28 UTC -------
I can second René's comments. Dynamic compression, expansion, limmiting can
also be seen as a lookup-table transformation in->out. A compressor starts to
work for a signal above a threshold and then compresses the signal. A hard
limmiter clamps the signal above the treshhold to the treshhold. A compressor
compresses signals above the threshold, e.g. a compressor with the ration 2:1
would do

out = thresh + ((in-thresh)/2.0)

That would be a compressor with hard knee characteristcs. The other bahaviour
is soft-knee which would use a smooth curved transition when going from linear
to compressed.

As a sidenote - in gst-plugins-good we now have the audiofx plugin, where such
elements could possibly be added (to keep number of plugins low).


-- 
Configure bugmail: http://bugzilla.gnome.org/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are the QA contact for the bug.
You are the assignee for the bug.