Olympus DM-4 ユーザーズマニュアル
11
8
EN
Specific
ations
Specifications
General points
4
Recording medium:
Built-in memory
DM-4: 8 GB
DM-2: 4 GB
microSD card (512 MB to 16 GB)
4
Recording format:
Linear PCM (Pulse Code Modulation)
MP3 (MPEG-1 Audio Layer3)
WMA (Windows Media Audio)
4
Input level:
[Mic Sense]:[Middle] - 60 dBv
4
Maximum working output:
280 mW (8 Ω speaker)
4
Maximum headphone output:
≤_ 150 mV (according to EN 50332-2)
4
Wide band characteristic
headphone output:
75 mV ≤_ (according to EN 50332-2)
4
Speaker:
Built-in ø 23 mm round dynamic speaker
4
MIC jack:
ø 3.5 mm mini-jack, impedance 2.2 kΩ
4
EAR jack:
ø 3.5 mm mini-jack, impedance 8 Ω or
more
4
Input power requirement:
Battery: Lithium ion battery
External power supply: AC adapter(A515)
5 V
4
External dimensions:
113.6 mm × 45.6 mm 15.2 mm
(without protrusions)
4
Weight:
98 g (including battery)
4
Operating temperature:
0°C - 42°C
Overall frequency response
4
During recording or playback
mode:
Linear PCM format
Recording mode
Overall frequency
response
48 kHz
40 Hz to 23 kHz
44.1 kHz
40 Hz to 21 kHz
MP3 format
Recording mode
Overall frequency
response
320 kbps
40 Hz to 20 kHz
256 kbps
40 Hz to 20 kHz
192 kbps
40 Hz to 19 kHz
128 kbps
40 Hz to 17 kHz
WMA format
Recording mode
Overall frequency
response
ST XQ
40 Hz to 19 kHz
ST HQ
40 Hz to 16 kHz
ST SP
40 Hz to 9 kHz
HQ
40 Hz to 13 kHz
SP
40 Hz to 8 kHz
LP
40 Hz to 3 kHz
4
Built-in stereo microphone
(During recording mode):
DM-4: 70 Hz to 20 kHz
DM-2: 70 Hz to 20 kHz
•
However, when recording by the MP3
format or the WMA format, the upper limit
value of the frequency response depends
on each recording mode (see above
diagram).