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IM-DR420H
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03/7/21 IM-DR420H_UK_4.fmIM-DR420H(E) TINSE0554AWZZ
Useful Features
-Advanced Recording-
Notes:
"
In monaural recording, the sound on the right and left
channels is mixed even if the input source is in stereo.
Although you can hear the stereo sound from the ear-
phones, the recorded sound is monaural.
"
Tracks recorded in 2 times long recording and 4
times long recording modes cannot be played with
the unit that does not support these modes. On
such a unit, no sound is heard. (The operation may
vary depending on the unit.)
"
Tracks recorded in monaural cannot be played on a
unit that does not support monaural playback.
! About ATRAC
The ATRAC (Adaptive TRansform Acoustic Coding) sys-
tem compresses the sound data into 1/5 by cutting out
the inaudible sound. Since the sound is selected based
on psychoacoustics masking, the sound quality is not
impaired. This unit is equipped with the ATRAC3 com-
pressing system that can reduce the sound data to 1/10
or 1/20 of its original size. By employing this system, 2
times and 4 times long recordings are enabled in stereo
mode.
! About the recording mode
You can select the recording mode from stereo recording,
2 times long recording, 4 times long recording, and mon-
aural recording. Recordable time varies depending on
the recording mode. If the tracks are recorded on an 80-
minute MiniDisc, its recording time changes as follows:
! Caution for 4 times long recording
(LP4)
Special compression methods are used to achieve 4
times long recording. This may cause some noise to be
recorded occasionally. When the highest quality is
required, stereo or LP2 recording is recommended.
Indication Recording mode Recording
time
SP Stereo MAX. 80 min.
LP2 2 times long (MDLP
stereo)
MAX. 160 min.
LP4 4 times long (MDLP
stereo)
MAX. 320 min.
MONO Monaural MAX. 160 min.
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