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By pushing the Start Button and the pedal switch
connected
to the Start Jack (or by pushing the
Start Button twice), the sampling begins.
*
The selected mode will remain even after the
S-220 is turned off.
@ Sampling Frequency
Bank
The
S-220's
sampling
(recording)
process
is
achieved
by examining, (sampling) the incoming
signal
level, a great
many
times
per second
(=sampling frequency) and sequentially converting
these different levels into digital signals, and then
recording them into computer memory.
The Sampling frequency is the number of times
per second that a sample is made of the input sig-
nal. The S-220 can sample either at 30,000, or
15,000 samples per second. (30kHz or 15kHz)
At higher sampling frequencies, the sampling time
is shorter, but the audio quality of the sample is
better.
On
the
other
hand,
at lower
sampling
frequencies,
the sampling
of longer sounds
is
possible, but the audio quality of the sample is
slightly lowered. At 30kHz, the longest sampling
time (per structure) is one second, and at 15kHz, 2
seconds.
By selecting Sampling Clock of 15 kHz (on page
52), the time can be extended even more.
In single Bank sampling, the auto-looping is per-
formed on a sample exceeding 0.8 sec.
But in a
structure
of combined
Bank, auto-looping
works
when the last Bank exceeds 0.8 sec. For instance,
in structure AB, a sample longer than 1.8 sec will
be looped.
53
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