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Scanning
The S612 stores sampled sounds in memory IC's in digital
data form and reconstructs the pitch by altering the speed at
which the memory data is read
.
It works on the same principle
as a tape recorder. The pitch changes according
to
the tape
speed. However, because sounds are recorded differently in
memory IC's than on tapes, it
is
possible for
us,
using the in-
I
Normal Setting
I
In order for the scanning functions to be easily understood, let's
suppose a situation where we have sampled a phrase
"Good
Morning". Picture also the situation where the phrase
"Good
Morning" is stored in digital data form in
the
memory ICs of the
S612, as seen in the diagram
.
In
the normal setting, scanning is
done from truncating front to the truncating rear all
the
way
through. This means that with a key-on, the sampled phrase
"Good Morning" will be played, and there will be no more
sound.
In this case, even if the key is held down, there will be no sound
after the phrase "Good Morning" is played once.
Starting Point and Ending Point
Starting Point
By adjusting the START/SPLICE lever, it is possible to set a start-
ing point (the point where the S612 starts replaying from the
memory ICs) at any desired point.
For example, if you choose "Morning" to be the starting point,
after sliding the lever to the appropriate
position,
the "Morning"
portion of the phrase will be replayed when a key is pressed, as
seen in the
diagram.
Note:
Re-trigger a key each time the lever is moved
to
deter-
mine (hear) the new starting point.
The START /SPLICE lever has two
(2)
functions.
Normally (if the MANU. SPLICE button has not been pressed), the
START/SPLICE lever has the function of setting a starting point.
On the other hand, when the S612 is in the manual splicing
mode (the MANU. SPLICE button having been pressed), the lever
has the function of setting splicing point. (See Page 15)
Ending point
By adjusting the END POINT control, it is possible to set an ending
point (the point where the S612 stops replaying from the
memory ICs) at any desired point.
For example, as seen in the diagram, by adjusting the control to
the appropriate point, only "Good" will be played 'when a key is
pressed.
12V
ternal computer of the S612, to control the ways in which the
data in the memory IC's is read. In other words, it is possible
to designate the point at which the S612 starts reading or
stops reading the data in the memory IC's; to make a loop, or
to reproduce a reverse version. We call these functions
"Scanning".
START/SPLICE
:i' i
111111111111111111
h
D
D
ED
~
~
~
~
~1 11111\ 11111111111\ ih
END
01 1111111111111111111
h
END
Truncating Front
Truncating Rear
Good Morning
Key
! - - - - -
--
- -
-~
on
Key
off
M
0
/
rni
Scanning run
n g
Good Morning
Key
1-----
- - - . - - - - - -
on
Key
off
Starting point
M
0
r
n
i
n
g
Good Morning
Key
1---------.-----____,
on
Ending point
G
Key
off
0
0
d
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