4ms Company DLD Release-opmerkingen - Pagina 5

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Systems Settings: the 'Center-Center' Group

Variable Splice Cross Fade Time (CFT) – NEW FEATURE!

When changing delay time, entering Reverse or Hold, etc., the natural behavior of a fixed-clock audio delay line such

as the DLD is a discontinuity (click) in audio. The DLD suppresses these by performing a cross-fade between the points

before and after the change. By default, the time of this cross-fade is set at 8 milliseconds. Generally that is enough to

ameliorate artifacts of change but not to audibly affect operation.

In firmware Version 5, the time of this crossfade can be adjust by the user, from 0 milliseconds (instant response, but

liable to clicking) to 500 milliseconds, which is quite noticeable and may be too much when delay times are short.

To adjust the CFT of the systems, enter the System Settings mode, set both toggle switches to the center position,

hold down the Reverse A button and adjust the Time A control, The red led next to Time A flashes to indicate the

approximate value of the CFT

The CFT will be stored when you exit the System Settings mode, and will affect all operations. You might like to

experiment to see what effects you can obtain with settings other than the default. For general use, however, we

recommend the factory default setting of 8 ms

Volt/Octave Tracking Compensation A and B (from Version 4)

The tracking of the Time CV jack when the channel is in Unquantized Time Mode (See Owners Manual for details on

this mode) can be adjusted to compensate for keyboards or sequencers that are not accurate, or to provide alternate

tunings. See the earlier section for a discussion on Unquantized Time Mode and Resonant Delay patch ideas. When

you flip both the switches to center, the DLD will automatically set the Delay Feed parameter to 100%, so that the

Delay Feed knobs are free to adjust tracking. Also, the DLD will automatically enter Unquantized Time mode. To

calibrate, you should input a clock or VCO of about 50Hz - 100Hz into the Ping jack (the Ping and loop lights will not

flash, that's OK!), turn the Time and adjust Feedback until you hear a resonant sound. Input a 1V/octave CV signal

into the Time CV jack (i.e. from a sequencer or a keyboard).

•Adjust tracking for Time A CV jack: Press and hold Infinite Hold A while turning the Delay Feed A knob

•Adjust tracking for Time B CV jack: Press and hold Infinite Hold B while turning the Delay Feed B knob

Releasing the button will temporarily lock in the value of the knob (this prevents accidentally bumping the knob while

testing the setting). With the Delay Feed knob at center, the tracking is 1.00V/octave, at minimum it's 0.75V/octave,

and at maximum it's 1.25V/octave.