Olympus DM 620 Detailed Instructions page 108

Frequency response:
4 During recording mode
(Microphone jack):
Linear PCM format
48 kHz 16 bit
44.1 kHz 16 bit
MP3 format
320 kbps
256 kbps
128 kbps
mono
WMA format
128 kbps
64 kbps
32 kbps
mono
6
4 During recording mode (Built-in
microphone):
20 Hz to 20 kHz ([Central Mic ON])
70 Hz to 20 kHz ([Central Mic OFF])
(However, when recording in the MP3
format or the WMA format, the upper
limit value of the frequency response
depends on each recording mode)
4 During playback mode:
20 Hz to 20 kHz
EN
108
40 Hz to 23 kHz
40 Hz to 21 kHz
40 Hz to 20 kHz
40 Hz to 20 kHz
40 Hz to 17 kHz
40 Hz to 13 kHz
40 Hz to 19 kHz
40 Hz to 16 kHz
40 Hz to 9 kHz
40 Hz to 3 kHz
Specifications