Akai s2000 Owner's Manual page 165

Midi stereo digital sampler
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SAMPLE EDIT
or remove. The end result of this is that, on occasions, especially with stretch factors
exceeding 10% or so, you may get an echo or 'flam' effect on some transients because the
processor has inserted a transient. When shrinking a recording, you may find a transient
softened because the processor has decided to remove it. You will find this to be the case
more or less on all devices that feature some form of time compression or expansion.
A lot of these problems depend on the nature of the audio material being processed and
settings that process the spoken word perfectly could make a right mess of a percussive dance
track. The converse is also true. The biggest problem is in material that has a healthy balance of
low and high frequencies because different timestretch parameters are required to process
different frequency ranges - in audio material that has a wide frequency composition there is
much adjustment to be done to obtain the correct compromise so that both frequency ranges
are adversely affected as little as possible. Please be aware that, on occasions, you may never
get absolutely perfect results and there may be occasional side effects, especially with
extreme settings of stretch - of course, these side effects can be put to good use for the
creation of special effects!! Over smaller ranges, however, you will find the timestretch on the
S2000 yields excellent results and will become an invaluable tool in your work, whatever
application you are working in.
You could use timestretch to alter the length of a drumloop or breakbeat without altering the
pitch in order for it to fit in with the rest of the track or you could use it to speed up or slow down
a track to change the 'groove' or feel. You could even use the timestretch to overcome timing
discrepancies of a 'live' band or use it to create gradual tempo changes, etc.. It can be used to
change the length of, say, a backing vocal part or guitar solo so that it can be played back at a
different pitch and so accommodate key changes. You could use it to maintain the same
vibrato speed for a number of 'multi-samples' created from one original sample. There are many
possibilities which you will no doubt discover for yourself.
The first of the timestretch pages is this:
As mentioned, the timestretch process requires you to make a copy of the original. To do this,
press NAME. You will see something like this screen:
The cursor will be placed under the first character in the name. Use the outer SELECT wheel
to move the cursor within the name field and use the DATA wheel to set the name.
Press F2 - OK - to complete the naming. You will be taken to this screen:
The STRETCH parameter sets the percentage by which the sample will be stretched or
shrunk. The range is 25% to 2000% (although we are the first to admit that such extremes are
only going find favour with the truly mad!).
There are two ways in which you can stretch a sample and these are selected in the TYPE field.
CYCLIC uses a fixed cycle time at which the S2000 will stretch. When INTELL(igent) is
selected here, the S2000 makes its own decisions as it proceeds with the stretching process.
Be warned, though! Although the intelligent mode will produce better results, the time taken
for this operation is much longer than when the CYCLIC mode is selected (up to several
minutes depending on the length of the sample and the amount of stretch).
S2000 Operator's Manual - Version 1.30
Page 153

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