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DRM 85-C, DRM 85
09/2007
5/41
2
Specifications
Sampling frequency ___________________48 kHz, 44.1 kHz or 32 kHz;
selection with FlashMic Manager
software or DRM 85 directly.
Bit resolution (linear) __________________16 Bit
Audio formats _______________________linear PCM or MPEG 1 layer 2;
selection with FlashMic Manager
software or DRM 85.6 mode settings
Bit rate (MPEG) _______________________192 kbps, 160 kbps or 128 kbps
Frequency response (recorder)
without capsule _________________20 Hz to 20 kHz ± 1 dB
at 48 kHz FS Linear PCM
with capsule ____________________see measured frequency response
curves, page 11ff
THD + N ____________________________< 0.1% (20 Hz to 20 kHz)
at 48 kHz FS linear PCM
Number of channels ___________________1 (mono)
Microphone capsule ___________________
DRM 85 ________________________omni-directional,
DRM 85C _______________________cardioid
Record level _________________________automatic gain control (AGC = on);
manual gain control (AGC = off)
High pass filter _______________________switchable on/off;
12 dB/octave at 100 Hz
Data storage system __________________fixed internal NAND flash memory;
capacity 1 GB.
Date / Time _________________________internal real-time clock, running as
long as power supply is available.
back-up supply for 1 minute to allow
battery change. set / synchronized
by host computer application
according to host computer clock.
manual setting on DRM 85 by menu
item.
File format __________________________broadcast wave file (.wav). linear
PCM or MPEG 1 layer 2 compressed.
date / time stamp is stored in file
header. Filename generated
automatically by DRM 85, basic text
string provided from PC software.