Algorithm Manual Revision 4

VSS™ 5.1 Source
English Manual – Updated 2018-02-28 53
VSS™ 5.1 Source
Choosing between VSS™ 5.1
Source and VSS™ 5.1 reverb
►
If you wish to add reverb to a complete 5.1
mix or 5.1 stem, use the “VSS™ 5.1 Reverb”
algorithm.
►
If you need free dynamic movement of sourc-
es utilizing external joysticks or SpacePan 5.1,
use the “VSS™ 5.1 Reverb” algorithm.
►
If you wish to position single or composite
sources with max localization and sweet spot
enhancement, use the “VSS™ 5.1 Source” al-
gorithm.
VSS™ 5.1 Source – introduction
The “VSS™ 5.1 Source” algorithm is an easy to
use 5.1-surround Reverb. Four discrete Input
sources can individually be positioned in the
sound field. Input four sources or four composite
sources (eg. 4 Auxes or Groups), choose a Loca-
tion type and Output format.
High-quality Early Reflection patterns and five
un-correlated Reverbs are integrated in this al-
gorithm. The extensive Early Reflection pat-
terns can be enabled to maximize localization
and widen the sweet spot. Consistent localiza-
tion even outside the speaker arrays can be ob-
tained.
When setting up VSS™ 5.1 Source it is important
to choose whether you want to have the dry sig-
nal passed through the algorithm or not. In some
cases it may prove to be a help to pass both wet
and dry signal through the algorithm to obtain
precise localization.
The VSS™ 5.1 can be turned into a true four In-
put to Stereo Output Reverb using the Output
Format control.
The VSS™ 5.1 Source algorithm occupies:
►
@ Normal Sample Rate: 2/4 DSP Resource
►
@ Double Sample Rate: 3/4 DSP Resource
The inputs and outputs of this algorithm are dis-
tributed as follows:
Input Output
S1
E1
E2
E3
E4
L
S2 R
S3 C
S4
SL
SR
VSS™ 5.1 Source
algorithm – main page
VSS™ 5.1 Source algorithm – main page
At the Main Master page overall parameters
working on the complete algorithm are available.
Individual parameters for each of the four Early
Reflection generators and five Reverb Diffuse
fields are also available. They are placed on the
following sub-pages.
Master Color
All Color parameters in VSS™ 5.1 Source are
“easy to use” coloration parameters making it
possible to adjust the perceived frequency re-
sponse from the Reverb. The Color parameters
substitutes what is normally available as split-
filters and frequency divided decay-times (mul-
tipliers).
Behind the scenes (in the algorithm) these pa-
rameters are highly complex and adjusts several
underlying parameters (up to 134 for a single
Color parameter).