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Modifying the playback
time of the performance
(Time compression/expansion)
This operation allows you to expand or compress the play-
back time of a song to the specified time length. You can
specify a compression/expansion of 75Ð125%, but extreme
settings will produce a more adverse effect on the sound
quality. We recommend that you normally keep compres-
sion/expansion within a range of 93Ð107 %.
Usually when playback time is compressed or expanded,
the playback pitch is affected correspondingly. For example
if the playback time is halved, the playback pitch will rise
one octave. On the VS-880, you can select whether the play-
back pitch will change in correspondence to the compres-
sion/expansion ratio, or whether the original playback
pitch will be preserved.
* Time Compression/Expansion creates a new song with a
different playback time. For this reason, it will not be pos-
sible to execute it if the current drive does not have suffi-
cient space.
* It is not possible to make settings where the times from
the Start Point to the End Point or from the Start Point to
the To Point are less than 0.5 seconds.
* When compressing the data, do not compress it to a time
length of 0.5 seconds or shorter. If it is compressed to 0.5
seconds or less, it will not be played.
Example 1: Compression
Example 2: Expansion
1. Press [TRACK], select “TRK Time Comp/Exp.?”, and
press [YES]. The display will let you select the track
and V-track to which the operation will apply.
2. Use [SEL (CH EDIT)] to select the track to be affected,
and use the TIME/VALUE dial to select the V-track. If
you wish to select all V-tracks of the selected track, use
the TIME/VALUE dial to select “
✱ - ✱”.
If you wish to execute the Time Compression/Expansion
operation with the same settings for other tracks as well,
press [SEL (CH EDIT)] for the additional tracks that you
wish to compress or expand, and use the TIME/VALUE dial
to specify the V-track that will be compressed or expanded. If
you wish to cancel the Compression/Expansion operation
for a track, use PARAMETER [ ][ ] to display the
setting of that track, and press [CANCEL (NO)].
3. Make settings for the following items, and execute the
operation.
Strt (start point):
Specify the time location at which
the change in playback time will
start.
End (end point): Specify the time location at which
the change in playback time will
end.
To (to point): Specify the ending time location
that will result from the compres-
sion/expansion.
Pitch: If you want the playback pitch to
change as a result of the compres-
sion/expansion, set this to ÒVari.Ó
If not, set this to ÒFix.Ó
Type: Specify the type of conversion.
Select ÒAÓ for vocals or narrations,
ÒBÓ for slow-tempo songs such as
slow ballads, and ÒCÓ for fast-
tempo songs such as rock.
Amplitude: Specify the volume level ratio (50,
60, 70, 80, 90, 100%) that will result
from conversion. Normally you
should use the default value of Ò60
%.Ó If the volume level after con-
version is too low, use the Undo
function to return to the original
data, increase the amplitude set-
tings, and try the operation again.
However be aware that excessively
high settings can cause noise to
occur in the data.
* To cancel the operation, press [CANCEL (NO)].
CONDITION MARKER#
MASTER
INPUT TRACK
AUX
TIMETIME
48
24
4
0
dB
1122
Affected data (Track – V track)
Start End To Time
Start To End Time
Chapter 4 Editing a recorded performance (track editing)
84