Weiss Enginering Ltd.
DSP501/DSP502
tent. Moreover the effect of the
Surgical
mode compared to the
Smooth
mode is very narrow to match the
range of the critical sharpness. In contrary the mode
Smooth
is more soft and observantly about the overall
context and long-term behaviour of the music.
We chose these two modes to provide you with a De-Esser plugin for several desired benefits. For example,
if you want to get rid of certain critical sharp sounds, the mode
Surgical
is preferential. Because the focus
of the mode
Surgical
is on fast changing events and it processes merciless when sharpness is detected.
If you want a more general diminution of the high frequency content the mode
Smooth
is the proper choice.
For example if you are listening with headphones the mode
Smooth
can enhance your listening experience.
But it is also well suited when listening with loudspeakers, if you like to have a more mellow sound of the
high frequency content. The interaction of the mode
Smooth
with the music could be described as more
merciful than the
Surgical
mode, but less strict when sharpness is detected.
For defining your favourite De-Esser settings it is important to keep in mind that the De-Esser will respond
different to different types of music. So maybe you find a setting of the De-Esser matching your favourite
Rock music album. It can happen that you will prefer a different setting for your favourite piano recordings.
This is a natural consequence of how the De-Esser works. It processes based on the dynamics of the music
and these of course sound different for different kinds of music.
So we encourage you to first play with the Weiss De-Esser to get a feeling of how the different modes
sound. For the parameter
Amount
a good starting point could be around -6dB. Futhermore in the beginning
it is more easy for getting to know the sound of the De-Esser and finding your own desired setting, if only
the De-Esser plugin is enabled.
4.8
The Weiss Crossfeed Headphone Algorithm
The Weiss Crossfeed Headphone Algorithm optimizes the music for the reproduction via headphones. It
is especially useful for recordings with extreme channel separation. The figure on the right continues the
concepts of the discussion in section 4.3. In contrast to the scenario in 4.3 the usage of headphones realizes
a clean separation of the stereo channels regarding the left and right ear.
This is visualized in the figure titled with ”Standard Setting”.
To optimize audio for the reproduction via headphones this
seperation needs to be reduced. The ”Crossfeed Setting”
illustrates the main idea of the presented plugin. A certain
part of the left channel is blended into the signal directed
to the right ear and a certain part of the right channel is
added to the left one.
This additional part can be called Crossfeed path and is
drawn with a dashed line. So for each ear a summation
describes the basic idea of the algorithm:
lef t
=
direct
lef t
+
crossf eed
right
right
=
direct
right
+
crossf eed
lef t
The signals of the Crossfeed paths are processed fre-
quency dependent. It needs to be made clear that the
sound of this effect is conditional to the currently played
back audio.
The presented plugin also is equipped with a user param-
eter called
Amount
. With a range of 100 settings of the
Crossfeed Headphone effect the user can define its desired
sound adjustment. The higher the parameter is defined the
stronger is the impact of the plugin.
This plugin is not applicable with
Output Termination
set to
Speaker
Figure 33: Crossfeed HP scheme
User Manual and
32
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