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There’s no on/off switch for Loop Quantize—it’s automatically enabled when
you’re recording to one of the following references:
The guide.
A phrase whose Tempo Sync switch is on.
The phrase that determines Loop Sync playback length.
An external MIDI device that the RC-50 is slaved to.
We’ll cover each of these recording scenarios later.
The LOOP QUANTIZE indicator lights when Loop Quantize is active.
In the RC-50’s computer brain, Loop Quantize is simply a tempo-matching
function—when you’re recording to one of these references, it automatically
adjusts your new phrase’s ending to create a phrase that matches the patch
tempo. Since the reference’s tempo is the same as the patch tempo, your
new phrase’s measure length will match that of the reference.
Loop Quantize is used for recording phrases with measure lengths that
conform to the patch tempo. If you want to make a previously recorded
phrase play back at the current patch tempo, turn on its Tempo Sync
switch. For details, see the RC-50 Workshop booklet Tempos and Tempo
Sync.
Loop Quantize in Action
In practice, you don’t need to think about the patch tempo while you’re
recording phrases with Loop Quantize enabled; you only need to focus on
the rhythm of the musical reference you’re playing to. This is the natural way
one plays music, and it suits working with Loop Quantize nicely.
Nuts and Bolts
If Loop Quantize is on when a phrase is closed, its ending is adjusted to
create a phrase with a measure length identical to the reference.
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As shown in the following illustrations, this is the case whether recording is
initiated at the start of one of the reference’s measures (the downbeat) or
somewhere else (an offbeat).
Reference
Press REC/PLAY/OVERDUB
anywhere within this range
to close the phrase
Rec start
Phrase
Loop Quantize
adjustment point
1 - 2 - 3 - 4 1 - 2 - 3 - 4
Recording
Playback
Starting recording on the reference’s downbeat.
Reference
Press REC/PLAY/OVERDUB
anywhere within this range
to close the phrase
Rec start
Phrase
Loop Quantize
adjustment point
1 - 2 - 3 - 4 1 - 2 - 3 - 4
Recording
Playback
Starting recording on an offbeat.
The point at which recording is started relative to the reference becomes
the adjustment point for Loop Quantize. For example, if recording is started
on the second beat of one of the reference’s measures (as in the second
illustration), then it becomes the Loop Quantize adjustment point.