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Documented the PVerb node.

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Weird Constructor 2021-08-14 11:05:26 +02:00
parent 6651d06f45
commit 78257f82bc
1 changed files with 62 additions and 17 deletions
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79
src/dsp/node_pverb.rs
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@ -85,39 +85,56 @@ impl PVerb {
} }
pub const in_l : &'static str = pub const in_l : &'static str =
"PVerb in_l\n\nRange: (-1..1)\n"; "PVerb in_l\nLeft input channel, will be summed with the right \
channel. So you can just feed in a mono signal \
without harm.\nRange: (-1..1)\n";
pub const in_r : &'static str = pub const in_r : &'static str =
"PVerb in_r\n\nRange: (-1..1)\n"; "PVerb in_r\nRight input channel, will be summed with the \
left channel.\nRange: (-1..1)\n";
pub const sig_l : &'static str = pub const sig_l : &'static str =
"PVerb sig_l\n\nRange: (0..1)"; "PVerb sig_l\nThe left channel of the output signal.\nRange: (0..1)";
pub const sig_r : &'static str = pub const sig_r : &'static str =
"PVerb sig_r\n\nRange: (0..1)"; "PVerb sig_r\nThe right channel of the output signal.\nRange: (0..1)";
pub const predly : &'static str = pub const predly : &'static str =
"PVerb predly\n\nRange: (0..1)"; "PVerb predly\nThe pre-delay length for the first reflection.\nRange: (0..1)";
pub const size : &'static str = pub const size : &'static str =
"PVerb size\n\nRange: (0..1)"; "PVerb size\nThe size of the simulated room. Goes from a small \
chamber to a huge hall.\nRange: (0..1)";
pub const dcy : &'static str = pub const dcy : &'static str =
"PVerb dcy\n\nRange: (0..1)"; "PVerb dcy\nThe decay of the sound. If you set this to '1.0' the
sound will infinitively be sustained. Just be careful feeding in more \
sound with that.\nRange: (0..1)";
pub const ilpf : &'static str = pub const ilpf : &'static str =
"PVerb ilpf\n\nRange: (0..1)"; "PVerb ilpf\nInput low-pass filter cutoff frequency, for filtering \
the input before it's fed into the pre-delay.\nRange: (0..1)";
pub const ihpf : &'static str = pub const ihpf : &'static str =
"PVerb ihpf\n\nRange: (0..1)"; "PVerb ihpf\nInput high-pass filter cutoff frequency, for filtering \
the input before it's fed into the pre-delay.\nRange: (0..1)";
pub const dif : &'static str = pub const dif : &'static str =
"PVerb dif\n\nRange: (0..1)"; "PVerb dif\nThe amount of diffusion inside the reverb tank. \
Setting this to 0 will disable any kind of diffusion and the reverb \
will become a more or less simple echo effect.\nRange: (0..1)";
pub const dmix : &'static str = pub const dmix : &'static str =
"PVerb dmix\n\nRange: (0..1)"; "PVerb dmix\nThe mix between input diffusion and clean output of the \
pre-delay. Setting this to 0 will not diffuse any input.\nRange: (0..1)";
pub const mspeed : &'static str = pub const mspeed : &'static str =
"PVerb mspeed\n\nRange: (0..1)"; "PVerb mspeed\nThe internal LFO speed, that modulates the internal \
diffusion inside the reverb tank. Keeping this low (< 0.2) will sound \
a bit more natural than a fast LFO.\nRange: (0..1)";
pub const mshp : &'static str = pub const mshp : &'static str =
"PVerb mshp\n\nRange: (0..1)"; "PVerb mshp\nThe shape of the LFO. 0.0 is a down ramp, 1.0 is an up \
ramp and 0.0 is a triangle. Setting this to 0.5 is a good choise. The \
extreme values of 0.0 and 1.0 can lead to audible artifacts.\nRange: (0..1)";
pub const mdepth : &'static str = pub const mdepth : &'static str =
"PVerb mdepth\n\nRange: (0..1)"; "PVerb mdepth\nThe depth of the LFO change that is applied to the \
diffusion inside the reverb tank. More extreme values (above 0.2) will \
lead to more detuned sounds reverbing inside the tank.\nRange: (0..1)";
pub const rlpf : &'static str = pub const rlpf : &'static str =
"PVerb rlpf\n\nRange: (0..1)"; "PVerb rlpf\nReverb tank low-pass filter cutoff frequency.\nRange: (0..1)";
pub const rhpf : &'static str = pub const rhpf : &'static str =
"PVerb rhpf\n\nRange: (0..1)"; "PVerb rhpf\nReverb tank high-pass filter cutoff frequency.\nRange: (0..1)";
pub const mix : &'static str = pub const mix : &'static str =
"PVerb mix\n\nRange: (0..1)"; "PVerb mix\nDry/Wet mix between the input and the diffused output.\nRange: (0..1)";
pub const DESC : &'static str = pub const DESC : &'static str =
r#"Plate Reverb r#"Plate Reverb
@ -137,6 +154,34 @@ and another set of them for the internal reverberation tank to control
the bandwidth of the reverbs. the bandwidth of the reverbs.
Internal modulation keeps the sound alive and spreads it even more. Internal modulation keeps the sound alive and spreads it even more.
Structure of the reverb is:
Left Right
| |
\----+----/
v
'ilpf' 'ihpf' 'predly'
Input Low-Pass -> Input High-Pass -> Pre-Delay
|
o------------------o--------------\ |
+------\ +----------\ | |
v | v | | v--o----> All-Pass Diffusor
[Left Channel] [Right Channel] | \--x 'dmix' |
/> Diffusor 1 |'size' Diffusor 1 <-\ | ^------------/
| Delay 1 |'size' Delay 1 | |
| LPF/HPF | LPF/HPF 'rlpf'/'rhpf'
| [x Decay] |'dcy' [x Decay] | | 'mspeed'
o> Diffusor 2 |'size' Diffusor 2 <-o----o-x-----LFO 'mshp'
| Delay 2 |'size' Delay 2 | | 'mdepth'
| | | | | |
| x 'dcy'| x | |
| | \-[feedback]-/ | |
| \--------[feedback]-----------/ |
\--------------------------------------/
Multiple Taps into Left/Right Diffusors 1/2 and Delays 1/2
are then fed to the left and right output channels.
"#; "#;
} }