> 4. p122 (Vibed plugin):
Vibed models a set of up to nine vibrating strings. If we compare this
instrument to a guitar, a six string guitar would be modeled as a one string
instrument--when a single note is plucked, only one string makes a sound. A
twelve string guitar or a mandolin would be modeled as a two string
instrument--when a single note is plucked, two strings ring out.
The nine button "String" selector controls which string is being edited. All
of the other controls are specific to the string that is selected using the
"String" selector.
The graph provides control over how the vibrations will be initiated. In the
lower right hand corner of the graph is a switch that controls whether or not
the selected string will produce any sound. The "S" button applies a low pass
filter to the waveform in the graph. The "N" button normalizes the waveform in
the graph.
The "Imp" switch determines whether the graph represents an impulse or the
actual shape of the string. When "Imp" is set, the graph represents the shape
of the pluck that will propagate up and down the string. When "Imp" is not
set, the graph represents the shape of the string at the time it is
sounded--when you play a note, you are bending the whole string into the shape
on the graph and releasing it to let it ring out.
The "V" knob controls the volume of the string within the mix of strings.
The "S" knob controls the "stiffness" of the string. This is the internal
dampening that occurs while the string is vibrating. Lower values provide
brighter sounds that ring longer.
The "P" knob represents the place on the string where the pluck occurs. Going
back to the guitar analogy, the end of the string that connects to the body is
referred to as the "bridge", and the end that connects to the tuning pegs is
referred to as the "nut". The "P" knob controls how far from the bridge the
pluck occurs. A setting of 0 places the pluck right at the bridge. A setting
of 0.05 places the pluck 5% of the way down the string towards the nut.
The "PU" knob represents where the sound from the string is emanating from.
It's analogous to a pick-up on an electric guitar or placing a microphone
somewhere along the string to record it. A setting of 0 places the pick-up
right at the bridge. A setting of 0.05 places the pick-up 5% of the way down
the string towards the nut.
The "Pan" knob controls the panning of the selected string within the mix of
strings.
> What does the Octave control (range: -2, -1, F, 2, 3, 4, 5, 6 and 7) do?
Um, yeah. Now that the question has been asked, I can see why this one might
be difficult to figure out.
The "Octave" control allows you to shift the octave a string will produce. The
"note" a vibrating string plays is the resonance point of the string. The
"Octave" control performs a pitch shift to make the note sound higher or lower.
The bizarre labeling scheme is an artifact of the muddled way the plugin was
developed. Originally it was conceived as a way of controlling the
"fundamental" resonance point of the string. It would default to "F", which
was the natural fundamental of the string being modeled. You then had the
option of selecting a harmonic of the fundamental to shift to, where "2" was
the second harmonic, "3" the third, and so forth (for example, A440 could be
shifted to A880, A1320, A1760...). The original version of the controller ran
from the fundamental up to the eighth harmonic. After playing with that a
little, it was determined that being able to shift a string down an octave or
two was more useful than being able to
shift it up seven or nine eight, so the "-1" and "-2" were added, which
shifted the terminology from "fundamental and harmonics" to "octaves".
Unfortunately, the labeling of the buttons didn't keep up with change in
terminology, so we ended up with the set that is now relatively difficult to
explain. It would make more sense if they were labeled -2, -1, 0, 1, 2, 3, 4,
5, 6.
Anyway, as it stands:
-2 --> shifts down two octaves
-1 --> shifts down one octave
F --> no shift
2 --> shifts up one octave
3 --> shifts up two octaves
4 --> shifts up three octaves
5 --> shifts up four octaves
6 --> shifts up five octaves
7 --> shifts up six octaves
> What does the Length control (range: 1 to 16) do?
The "Length" knob is used to simulate different lengths of the string.
Consider a guitar and a mandolin. Both instruments have an A440 string, but
the behavior and sound of the string will differ in part because of the
difference in the length of the string. In general, longer strings have richer
harmonic structures and sustain longer. The 1 to 16 represents a scaling
factor where a setting of 2 doubles the length of the string, a setting of 3
triples the length of the string, on up to having a string that's 16 times
longer than a string set to 1.
> What does the Detune control (range: -0.1 to +0.1) do?
The "Detune" knob allows you to make relatively small modifications to the
pitch the string resonates at. It operates by shortening or lengthening the
string by up to 10%. It's useful for creating the "chorusing" sound that is
natural to multi-stringed instruments.
> What does the Slap control do? It is supposed to vary the Fuzziness (range: 0
> to 0.75). What's that?
The "Slap" knob allows you to add in a bit of white noise to the vibration of
the string creating a kind of fuzzed out or slapped sound depending on how long
the string rings.
________________________________
From: Raindrops From Sky <[email protected]>
To: [email protected]
Sent: Wednesday, August 17, 2011 4:44 AM
Subject: [Lmms-users] Missing information about plugins (required for the User
Manual)
Hi all,
The latest version of the User Manual is posted here: http://db.tt/DnIzjNQ
The following information about various plugins is still not available.
I need help in collecting this information, so that the UM can be completed:
1. p.112 (LB302 Plugin):
In VCF section, how does the DEC (Decay) work?
In the last (unnamed) section, what do the Slide, Accent and Dead controls do?
2. p116 (Patman plugin): What is the tune mode? How does it work?
3. p121 (VeSTige plugin): What does the "Turn off all notes" control do?
4. p122 (Vibed plugin):
What does the Octave control (range: -2, -1, F, 2, 3, 4, 5, 6 and 7) do?
What does the Length control (range: 1 to 16) do?
What does the Detune control (range: -0.1 to +0.1) do?
What does the Slap control do? It is supposed to vary the Fuzziness (range: 0
to 0.75). What's that?
5. p 123 (ZynAddSubFX plugin): What does "Forward MIDI control changes" do?
Regards,
Narayan
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