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Korg pa 900 User Manual: Sampling: Loop Edit

Professional arranger.
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Sampling mode
234

Sampling: Loop Edit

When editing audio grooves, the Loop Start should match the
Sample Start point. This parameter usually differs from the Sam-
ple Start in ordinary sounds (i.e., a guitar, a piano, a voice...).
Loop Start (L)
Length
Sample Start (S)
End (Sample/Loop End)
This is the sample and loop end point (in samples). You may edit
this point, to shorten the sample.
Warning: When saving the edited sample (Write Sample opera-
tion), the segments exceeding the Start and End points are perma-
nently removed.
Use Zero
If this parameter is turned on, when you move the Start, Loop
Start and End points, the selection fall on the nearest zero-cross-
ing point (i.e., points where the waveform crosses the x-axis, and
goes from negative to positive, or from positive to negative val-
ues). This will make loops more accurate, and will reduce the
risk of "clicks".
OrigNote (Original Note)
Original pitch of the sampled note. While this parameter has no
effect on sound, it will be useful to identify the original pitch of
the sample and when assigning a sample to the multisample.
For example, if you sample a C4, set this parameter to "C4".
When the sample will be assigned to a keyboard zone of the mul-
tisample, it will be transposed (if needed) according to this
parameter, to avoid a change of the original pitch.
Zoom
Use these buttons to change the size of the waveform shown in
the diagram. When a button is greyed-out, it means the maxi-
mum or minimum value has been reached.
Increase the vertical size.
Decrease the vertical size.
Increase the horizontal size.
Decrease the horizontal size.
Full zoom in.
Full zoom out.
Loop End (E)
Loop
Sample End (E)
Changing the sample length and finding
good-sounding loop points
To adjust the sample length and loop points, check the "Loop
On" parameter, then use the "Start", "Loop Start" and "End"
parameters to create a fine sounding cycling loop.
For example, you may have sampled an audio groove of an
exceeding length. Use the "End" parameter to cut the exceeding
portion at the end of the sample, and adjust the starting point of
the loop using the "Start" or "Loop Start" parameters.
Usually, checking the "Use Zero" parameter is a big help, to avoid
the loop clicks due to level mismatches.
Sampling: Loop Edit
The loop is a cycling portion of a sampled sound. It is a tech-
nique used to reduce the sampling time, cycling a portion of the
sound to create the sustain phase of the sound. After the attack
stage, most sounds repeat the same waveform during their sus-
tain stage. You may adjust the Loop Start point with the "Loop
Start" parameter, and the Loop End point (always matching the
Sample End point) using the "End" parameter.
This page lets you fine tune the loop points, by watching at the
Loop End and Loop Start points matching at the center of the
diagram. A good-sounding loop is shown as a continuous, non-
breaking line.
SM (Sample)
Selected sample.
Loop diagram
This diagram shows the "End" (Loop End) point on the left half,
and the "Loop Start" point on the right half of the screen. Use the
"End" and "Loop Start" parameters to adjust the loop.
Parameters
Start
See "Start (Sample Start)" on page 233.
Loop Start
See "Loop Start" on page 233.
End
See "End (Sample/Loop End)" on page 234.

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Comments to this Manuals

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Latest comments:
  • Vikas kumar Mar 30, 2017 03:31:
    By mistake I delete my synth fx get back please tell me, I'm worried about my korg pa 900 , how can I get my effects.
  • Jorge Leiva Sep 10, 2016 01:25:
    Port favor, me pueden ayudar a traducir este manual (el de 450 páginas?
    Gracias.