[gstreamer-bugs] [Bug 360246] New: [audioconvert] Optionally apply dithering
GStreamer (bugzilla.gnome.org)
bugzilla-daemon at bugzilla.gnome.org
Fri Oct 6 11:59:38 PDT 2006
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GStreamer | gst-plugins-base | Ver: HEAD CVS
Summary: [audioconvert] Optionally apply dithering
Product: GStreamer
Version: HEAD CVS
Platform: Other
OS/Version: All
Status: UNCONFIRMED
Severity: enhancement
Priority: Normal
Component: gst-plugins-base
AssignedTo: gstreamer-bugs at lists.sourceforge.net
ReportedBy: mail at renestadler.de
QAContact: gstreamer-bugs at lists.sourceforge.net
GNOME version: Unspecified
GNOME milestone: Unspecified
Dithering is used to reduce the harmonic distortion that can occur as part of
the conversion of audio data from e.g. 32-bit floating point to 16-bit integer
format (data coming from effect processing converted for playback or final long
term storage).
See http://en.wikipedia.org/wiki/Dithering for more information about (audio)
dithering. At least one obvious implementation under LGPL is available, as
part of the WaveGain program (http://www.rarewares.org/others.html).
It's a useful feature to have at some point in the future. The target is most
probably the audioconvert element, as this is where any reduction of the
bandwidth actually happens.
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