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I
Looping Mode
I
In the LOOPING mode, the setting up of a loop automatically (automatic
splicing system) or manually (manual splice mode) within the S612 's
memory IC's makes it possible for the sampled sound to be played con-
tinuously
.
With this mode, playing the continuous sounds of strings,
brasses, chorus, etc., becomes
possible.
(The sound starts when a key
is pressed and will play continually until the key is released.) This makes
the application of the S612 very extensive by opening up more paths for
your musical expression.
Automatic Splicing System
The S612's looping function makes
it feasible,
by fully applying today's
computer technology, to search out and automatically "Splice" any point
("Splicing Point") of the sample
instantaneously.
This has been said to
be very difficult and time consuming without the aid of the
computer.
•
The term
"Splicing"
is used when joining two audio tapes together
with a special adhesive tape to make one continuous tape when edit-
ing is necessary. Similarly, we call the restarting point of a scanning
loop a "Splicing Point".
The moment the LOOPING button is pressed, the automatic splicing
system of the S612 finds the most appropriate splicing point of the
sampled sound. For example, as seen in the diagram, when the LOOPING
button is pressed, with the START/END point levers in the normal position,
the key-on (when a key is pressed) will start the sampled phrase "Good
Morning". After "Good Morning" is played once,
"ing"
will repeat con-
tinuously until the key-off (the key is released). This means that the
S612's computer selected "O" as the beat splicing point.
In the LOOPING mode, the scanning is done in the following order:
Starting point
2
Ending point~ Splicing point
7
Alternating Mode
The ALTERNATING mode is based on the same idea as the LOOPING mode
where a loop is built by scanning
.
But
it
is different from the LOOPING
mode in the way the loop is built. For example, as seen in the diagram,
when the ALTERNATING button is pressed, with the START/END point
levers in the normal position, the key-on will start the sampled phrase
"Good Morning". After "Good Morning" is played once, "gni" then "ing"
will be replayed continually until the key-off. The scanning simply
reverses direction between the end point and the splicing point.
In the LOOPING mode the scanning
"jumps"
back to the splicing point;
scans only from the splicing point to the end point; does not scan from
the end point to the splicing point.
This difference in scanning should be comprehended more easily in the
next chapter for "Manual Splice".
In the ALTERNATING mode, scanning is done in the following order:
(Reverse)
Starting point
7
Ending point -
Splicing point
7
Note:
The AL TERNA JING mode is very useful, especially when it
comes to building the continuous sounds of strings. But there
are some instances where
the
sound produced by the looping
mode is more
acceptable.
Compare
the LOOPING mode and the
ALTERNATING mode when editing
and
select the continuous
tone which sounds better.
Key
on
Key
off
14V
Starting
point
Ending point
Good Morning
G
0
0
d
Splicing point
M
0
r
n
i
n
I
g,
I
~ g
~ g
~ing
' 4 - - - -
- - - - - - - - - ~
Note:
The automatic splicing point is referenced to the position of
the END POINT
lever.
Therefore, if the sampled sound does not
utilize all of the available memory the computer will be attempt-
ing to replay (loop) an
"empty"
memory;
=
no sound! This situ-
ation can be remedied by repositioning the END POINT lever,
making a longer sample or, shortening the sample time.
Some sound will not loop well. Sounds which are not produced
by musical instruments (human
voices,
effects and so on) or,
with erratic or staccato-like sounds which contain much varia-
tion,
some noise (splicing noise) may be heard. This is not a
defect. Experimentation may be necessary with some sounds
.
The automatic splicing system will be overridden if the
MANUAL SPLICE mode is selected.
D
□
@]
' L OOPING'
~
~
Key
on
Key
off
Starting point
Ending point
Good Morning
G
0
o
d
Splicing point
M
I
0
I
r n
1
•
I
In
I
91
I
gni
ing
gni
ing
gni
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