CC LFO
A pipe that can be placed both as a Generator (leftmost) pipe or as a Modifier (inline) pipe. It produces an LFO waveform, as defined by the many parameters, on the selected CC value, Channel 1. Place a Channel Remap pipe to the right of the LFO to change the channel.
If it is placed as a Modifier, it can be synchronized to the beat, as well as it can apply modulation to previous CC LFO pipes in the pipeline, and/or to the incoming CC value from the input.
See the preview at the bottom of the the Properties panel to visualize how the LFO waveform looks like.
| Parameter | Description |
|---|---|
| Bypass | Whether processing is enabled. |
| Started | Whether the LFO clock is started. |
| CC | The CC value id to use. |
| Resolution | The resolution to use. Use as low resolution as possible for your desired rate. |
| Rate | Rate of the LFO in Hz, or time units in case it is synced to the beat. |
| Phase | The phase offset of the LFO. |
| Depth | The depth of the LFO. Use 64 for full 0-127 range. |
| Waveform | The waveform of the LFO. For Sample & Hold waveform description, see below. |
| Duty Cycle | The duty cycle of the PWM wave. Not applicable to other waveforms. |
| Output Enabled | Whether the output is actually enabled. Output may be disabled while keeping the LFO clock still ticking. |
| Mode | Free running: waveform is generated freely. Active Mod.: LFO is actively modulating (offsetting) the incoming CC value of the same id, generating new values even if incoming CC value is not changing. Passive Mod.: LFO is passively modulating (offseting) the incoming CC value of the same id, only on receiving the actual CC value. |
| Retrigger | Controls retriggering behavior - LFO waveform can be retriggered on individual notes or on chords. |
| Sync to BPM | (Only as Modifier) Whether to sync to the incoming BPM clock. |
| Retrigger on SysCommon | (Only as Modifier) Whether to retrigger on system common messages such as 'start', 'continue', 'song position pointer'. |
| Start on SysCommon | (Only as Modifier) Whether to start ticking the LFO clock on system common messages such as 'start', 'continue', 'song position pointer'. |
| Manual Retrigger | A button to manually retrigger the LFO. It can be mapped to a control which guarantees low latency to take effect as soon as the mapped control is moved. |
| One Shot | Produce only one cycle of the wave. It has to be retriggered using Manual Retrigger parameter, or according to Retrigger mode parameter to produce another cycle of the wave. |
| 14-Bit | Produce 14-bit values, the MSB on CC id set in CC parameter, and the LSB on +32 id. For example, if you use CC #1 for the id, you'll get 14-bit Modulation Wheel output on CC #1 (MSB) and CC #33 (LSB). |
Sample & Hold Waveform
The Sample & Hold waveform is special, as internally it uses a PWM waveform's rising and falling edges to sample CC values. If it is placed as a Generator, the S&H LFO uses Noise as a sampling input. If it is placed as a Modifier, however, the S&H LFO needs a CC input in all three of its modes (including Free Running mode). Here it uses the last received CC value for sampling: this CC input might be direct or modified from an external source, or from another Midihub LFO.
For example, a tempo-synced Free Running S&H LFO might use a Noise LFO to sample and hold random values every bar (at points set by Phase, Duty Cycle and Rate)
When a S&H LFO is in Active/Passive Mod Mode, Depth represents how much the output value's displacement from 64 should be 'amplified'. For example, 68 -> 68 at 0%, 68 -> 70 at 50%, 68 -> 72 at 100%.
Comments & Questions
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