4ms Company Dual Looping Delay Посібник користувача - Сторінка 7
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Both jacks output signals from -10V to +10V and are DC-coupled.
Clock Out and Loop Clk Out Jacks
The Clock Out jack outputs the stable master clock. It sends a clock that's in sync
with the base clock ("beat" clock or Ping clock), whether you tapped in a tempo or
are using an external clock.
The Loop Clk Out jack outputs a clock that's in sync with the the loop/delay time.
All the clock outputs are quantized to the sample-rate. This insures they are jitter-
free (assuming your external clock has low jitter). The Looping Delay clocks are
some of the lowest jitter clocks available using Eurorack modules and should be
used whenever possible as a master clock.
The high voltage of the clock outputs is 8V. At fast clock speeds (audio rate), the
jacks output square waves.
In Inf. Hold mode, the clock goes high when the loop starts. This can be used to
trigger an envelope that VCA's the loop, for example.
Infinite Hold vs. 100% Feedback
Since setting Feedback to 100% (or close to 100%) and Delay Feed to 0% creates an infinite loop, the
Looping Delay acts similarly to how it does when Inf. Hold is on. However, there are a few important
differences:
When Inf. Hold is on, you can adjust the Time parameter from one setting to another, and then back to
the original setting and it will sound exactly the same as it did to begin with. This is not the case with
Inf. Hold off and Feedback at 100%; changing Time to a faster setting will actually record the new
shorter echoes into memory. Then when you turn back to the original slower Time setting, the Looping
Delay will be reading the shorter echoes and will repeat these in a longer echo. Therefore, even though
the Time setting is the same as it was originally, it will sound different.
Another difference is that when Inf. Hold is on, the Feedback knob has a special function: windowing.
Hold down Inf. Hold while turning Feedback to change the start and stop points of the loop (see
Windowing section on page 9). There is no windowing with Feedback at 100% and Delay Feed at 0%.
The final difference is that with Feedback at 100% and Delay Feed at 0%, there is the ability to fade in
new sounds (layers) by fading up the Delay Feed knob, or by applying CV (perhaps an envelope) to
the Delay Feed CV jack. Or you can create blank spaces by turning Feedback down momentarily. The
loop is more dynamic and mutable, versus when Inf. Hold is on, the loop is static and immutable.
Why do I hear something I played a long time ago?
Notes on the nature of Looping Delays...
When Inf. Hold is off, the wet signal (i.e. whatever's being output from the Send jack) is continuously
recorded into memory, going back for about one and a half minutes. This means that the results of
every knob you twist and every bit of CV you input is being recorded into memory. Let's say you're
playing a melody into the Looping Delay with a nice rhythmic echo. If, for example, you change the
Time parameter to make triplets for a moment, then switch back to eighth notes, then maybe bring
Feedback up to make a "bloom", then pull down Delay Feed to cut the audio out, etc... all of this will
be recorded into memory.
Normally you won't have to think about this: the Looping Delay operates "as you think it should",
overwriting whatever it recorded 87 seconds ago with what you're playing now. But in some special
circumstances, you can access this old memory: Windowing large chunks in Infinite Hold Mode is the
primary method whereby you might hear some sounds that were recorded onto the "tape loop" several
minutes ago. Another way often happens when Infinite Hold and Reverse are toggled many times
while Time is being modulated. This can be surprising! But it also can be very useful.
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