11.5

Effects menu 429
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Stereo FX
The "Stereo
FX" enhancer lets you edit the justification of the audio material in
the stereo panorama. If stereo recordings sound unfocused and
undifferentiated, an extension of the stereo base-width can often provide a
better transparency.
Base width controller: Adjusts the base width between mono (on the extreme
left), unchanged base width (center), and maximum base width (”wide”, on the
extreme right). Reducing the base width can produce a rise in the level. In
extreme cases – when the left and right channels include identical material and
the base width controller is pushed to the left on ”mono” – the result can be a
level rise of 3 decibels.
Raising the base width (values over 100) diminishes the mono compatibility.
This means that recordings edited this way sound hollow when listened to in
mono.
Volume controller: Adjusts the volume of every single channel, thereby
adjusting the entire panorama. The damping of left and right levels is displayed
in dB underneath the controllers. A centered recording can later be moved to
the left or right of the stereo picture.
Stereo meter: This provides a graphical display of the phase relation of the
audio signal. You can use it to review the justification of the signal in the stereo
panorama and the effect of the stereo enhancer.
In order to achieve the greatest possible compatibility with mono, the display
should come closest to a diagonal line. Otherwise some frequency ranges may
cancel each other out if the stereo signal is played on a mono device.
Karaoke preset: This preset opens a special karaoke effect that more or less
eliminates vocals. It deletes middle frequencies typical for human vocals during
playback so that someone else can do the singing.