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ptablas edited this page Jun 7, 2023 · 2 revisions

Input and Output Selection (i & o)

Input selection ("i" on GUI) allows for:

  • Stereo: Encode an Stereo Track for Mid/Side processing.
  • Mid/Side: Process a Mid/Side Track.

Output selection ("o" on GUI) allows for:

  • Stereo: Decode the Mid/Side channels into Stereo ready for listening.
  • Mid/Side: Keep in Mid/Side format for further external processing.

*Note Mid/Side input options assume Mid is the incoming track's left and Side is the right, while Mid/Side output will output again in that order.

**Tip: Daisy-chain. **

Decode to Mid/Side and add an extra M/S Echo-ttage (with Mid/Side input encoding) to daisy-chain variable delays!

Stereo Widening

Mixes the mid and side signals:

  • at the centre, mid and side are equally audible
  • at the left limit, only the mid signal will be audible
  • at the right limit, only the right signal will be audible

Note that when Mid/Side output is chosen, stereo widening will act as a panning fader.

Filter

A simple state variable filter with low-pass, band-pass and high-pass capabilities. Resonance is kept low to avoid clipping.

  • "f" changes the filter's centre frequency
  • The comboBox chooses the filter type.
  • The vertical slider assigns a resonance value.

Delay

  • "fx" modifies the amount of dry and wet signal. The dials' left limit is completely dry, right limit is wet.
  • "t" changes the amount of delay in samples. Dials' left limit is 0, while dial's right limit is 2000 samples.
  • "fb" changes the amount of previous delay fed back into the signal (feedback). max limit is 0.7 of the signal to avoid infinite loop.

LFO Section

The LFO section defines an LFO that varies the

  • "hz" varies the LFO frequency. Maximum value is 10 Hz.
  • "A" varies the depth of the LFO. Measured in samples since it varies the delay time (in samples). Max value is 1000.

*note the lower limit is 0, using this value in "hz" or "A" effectively means by-passing the LFO.

Tip: != bound behaviour.

When the LFO pushes the delay "t" by the left limit, delay time bounces back in order to avoid negative values. However, the right limit can be crossed, allowing for an extra 1000 samples of delay time.

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