Olympus DM 620 Detailed Instructions page 54

Rec Mode
The recorder can record in the linear PCM format.
High resolution recording at a high sampling rate
and high bit rate equivalent or superior to that of
a music CD is possible. Moreover, it also supports
the MP3 and WMA formats.
1 Select the recording format.
[PCM]: This is an uncompressed audio
format which is used for music CDs
and the like.
[MP3]: MPEG is the international
standard established by a working
group of the ISO (International
Organization for Standardization).
[WMA]: This is an audio compression
encoding method that was
4
developed by the Microsoft
Corporation in the US.
2 Select the recording rate.
When [PCM] is selected:
[48 kHz/16 bit] or [44.1 kHz/16 bit]
When [MP3] is selected:
[320 kbps] to [mono]
When [WMA] is selected:
[128 kbps] to [mono]
• If the directional microphone function
is used, you cannot change [PCM]
setting in [Rec Mode] to one other than
[44.1kHz/16 bit]. You can use the all
modes in [MP3] or [WMA] of [Rec Mode].
• When [mono] of [MP3] is selected, the
recording rate will be set to 64kbps.
• When [mono] of [WMA] is selected, the
recording rate will be set to 8kbps.
• To record a meeting and lecture clearly,
set [Rec Mode] to a position other than
[mono].
• When the external monaural microphone
is used while [Rec Mode] is set to a stereo
recording mode, it enables recording
only with the L channel microphone.
EN
54
Menu setting method
Rec Level
You can set the device to automatically or
manually adjust the recording level.
[Manual]:
Recording is performed by manually
adjusting the recording level.
[Auto]:
Recording is performed by automatically
adjusting the recording level. This is
useful for when you will be recording
right away.
Adjust the recording level:
Press the 9 or 0 button
1
while the recorder is recording or
paused to adjust the recording
level.
• The recording level will be automatically
adjusted when the recording level is
set to [Auto]. Set the recording level
to [Manual] to use the recording level
adjustment feature.
• When the recording level is set to
[Manual], the limiter function will
be disabled. Distorted sound will be
recorded during [OVER] is displayed.
Adjust the recording level so that [OVER]
will not be displayed. If sound distortions
do not disappear even after the recording
level has been adjusted, change the
setting for microphone sensitivity
(☞ P.53) and adjust the recording level
again.