Cello Oscillator:
cello | oscillator |
The Cello Oscillator is EigenD's built-in cello physical model plug-in. Within the EigenD factory setups it is used in conjunction with the Convolver Agent and the Stringer Agent. In this configuration, the Cello Oscillator models the instrument strings, the Convolver filters the string sound to represent a cello body resonance using an appropriate impulse response, and the Stringer imposes monophony per course to represent the monophonic behaviour of each of the strings.
In addition to the body resonance being controllable by using different impulse responses with the Convolver, the frequency response of string oscillations entering the convolver (like string oscillations travelling through the bridge to the body) can be adjusted using a 3 band parametric EQ within the Cello Oscillator.
activation | input |
The Activation Input receives activation signals from upstream agents (often the Scaler's activation output).
frequency | input |
The Frequency Input receives frequency signals from upstream agents (often the Scaler's frequency output).
pressure | input |
The Pressure Input receives key pressure signals from upstream agents (often the Scaler's pressure output).
bow | position | input |
The Bow Position Input refers to the transverse position of the cello bow relative to the string. A strip controller is often used to control this input.
bow | velocity | input |
The Bow Velocity Input refers to the velocity at which the cello bow is moving across the strings. The breath controller (via a Shaper used for compression) is often used to control this input.
pitch | time | input |
The value of the Pitch Time Input refers to the amount of note transition time (in milliseconds) between notes on the same monophonic course when the Stringer agent is used - also known as portamento.
minimum | frequency |
Minimum Frequency determines the minimum frequency (in Hertz) of the lowest note that the cello physical model can play.
low | filter | frequency |
The Low Filter Frequency is the cutoff frequency (in Hertz) of the low-shelf filter of the bridge EQ.
low | filter | gain |
The Low Filter Gain is the pass-band gain (in dB) of the low-shelf filter of the bridge EQ.
low | filter | width |
The Low Filter Width is the transition band width coefficient of the low-shelf filter of the bridge EQ - increasing this value creates a narrower transition band.
mid | filter | frequency |
The Mid Filter Frequency is the centre frequency (in Hertz) of the mid-peak filter of the bridge EQ.
mid | filter | gain |
The Mid Filter Gain is the peak gain (in dB) of the mid-peak filter of the bridge EQ.
mid | filter | width |
The Mid Filter Width is the peak band width coefficient of the mid-peak filter of the bridge EQ. Increasing this value creates a narrower peak band.
high | filter | frequency |
The High Filter Frequency is the cutoff frequency (in Hertz) of the high-shelf filter of the bridge EQ.
high | filter | gain |
The High Filter Gain is the pass-band gain (in dB) of the high-shelf filter of the bridge EQ.
high | filter | width |
The High Filter Width is the transition band width coefficient of the high-shelf filter of the bridge EQ - increasing this value creates a narrower transition band.
bow | velocity | factor |
The Bow Velocity Factor scales the bow velocity that is derived from the bow position input as it changes with time. When used with a strip controller this allows the velocity and the overall distance of the movement on the strip controller to be modified to achieve similar bowing responses in the model.
audio | output |
The audio output is used for sending audio data to downstream Agents (normally a Gain Agent's audio input in this case).
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Before using the Belcanto commands below, make sure you have the desired Cello Oscillator in the conversation using
cello | oscillator | X | listen |
where X is the number of your desired Cello Oscillator.
To set the pitch time value, use
pitch | time | input | to | X | set |
where X is the value of the desired pitch time.
To set the minimum frequency, use
minimum | frequency | to | X | set |
where X is the value of the minimum frequency.
To set the low filter frequency, use
low | filter | frequency | to | X | set |
where X is the value of the desired low filter frequency.
To set the low filter gain, use
low | filter | gain | to | X | set |
where X is the desired value of the low filter gain.
To set the the low filter width, use
low | filter | width | to | X | set |
where X is the desired value of the low filter width.
To set the mid filter frequency, use
mid | filter | frequency | to | X | set |
where X is the value of the desired mid filter frequency.
To set the mid filter gain, use
mid | filter | gain | to | X | set |
where X is the desired value of the mid filter gain.
To set the the mid filter width, use
mid | filter | width | to | X | set |
where X is the desired value of the mid filter width.
To set the high filter frequency, use
high | filter | frequency | to | X | set |
where X is the value of the desired high filter frequency.
To set the high filter gain, use
high | filter | gain | to | X | set |
where X is the desired value of the high filter gain.
To set the high filter width, use
high | filter | width | to | X | set |
where X is the desired value of the high filter width.
To set the value of the bow velocity factor, use
bow | velocity | factor | to | X | set |
where X is the desired bow velocity factor.