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44
Recording Audio
RDAC-Grade (Sampling Frequency)
The RDAC-Grade is the type of sampling frequency for digital recording.
On the AR-3000R, you can select from among six grades.
fig.09-02e (RDAC Grade)
“S-HIGH” enables recording at the highest sound quality, but uses the most
space on the card. “STANDARD” is best for ordinary recording.
“ANNOUNCE” uses up the least card space, and is best for recording
announcements, narration, and the like. When you are recording audio such
as a narration with “ANNOUNCE” or “LONG2,” you can record with
higher clarity by using the equalizer (external device) to cut the bass range.
Select an RDAC -Grade that matches the circumstances of use.
• If the type of card does not provide the recording time you want, change
the RDAC-Mode or RDAC-Grade setting to use less card capacity, then
perform recording again.
• Depending on the card type, an error may appear or recording may
stop. If this happens, change the RDAC-Mode or RDAC-Grade setting to
use less card capacity, then perform recording again.
Procedure for Setting the RDAC-Grade
1
Put the unit into recording standby.
2
Turn the SELECT dial to choose “RDAC-Grade,” then press
the dial.
* You can set the RDAC-Grade only when you have selected “LINE-IN” or
“LINE+MIC-IN” for the recording connector.
fig.09-g05e
The setting for the RDAC-
Grade is made only for
analog audio recording
(selected connector: LINE-
IN, LINE+MIC-IN). For
digital recording, the
setting is made
automatically.
S-HIGH :
HIGH :
STANDARD :
LONG1 :
LONG2 :
ANNOUNCE :
48 kHz
44.1 kHz
32 kHz
22.05 kHz
16 kHz
8 kHz
High
Amount of card
memory consumed
Sound
quality
Large
Small
“Card-specific Recording
Time Chart” → p. 134
“Error Messages” → p. 132
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