Speech Technology Center Gnome P, Руководство пользователя

Страница: 32 / 52

User Guide
30
3 TECHNICAL DATA
Parameter
Value
Number of recording channels 1 or 2
Integrated flash memory size 8 GB
Recording format
mono/stereo PCM 16 bit or
with 2x compression (
-law)
Sampling frequency 8, 16 kHz
Gain ripple 2 dB max.
at mic input 75 dB min.
SNR
at line input 80 dB min.
without compression 0.1% max.
Total Harmonic Distortion for mic input (at
1kHz, with 16 kHz sampling frequency)
with 2x compression 1% max.
without compression 0.01% max.
Total Harmonic Distortion for line input (at
1kHz, with 16 kHz sampling frequency)
with 2x compression 1 % max
Automatic Gain Control range 0..42 dB
Voice Activation range 1..60 dB
Type Electret, HF-resistant
Sensitivity -55 dB Microphone
Noise floor 28 dB max.
Record mode
30 hours min.
Timers 1000 hours Max. operation time without battery recharge
Standby mode
Voice Activation 250 hours
Max. recording duration: mono, 8kHz, compressed 298 hours
Guaranteed recording duration: stereo, 16kHz, without compression 37.25 hours
Integrated battery Li-ion, 750-900 mAh
External source 6 V Power supply
Battery charge time 4 hours
at mic input 8 mVeff
at line input 0.7 Veff Rated voltage
at output 0.7 Veff
Active mode 30 mA max.
VA mode 3 mA max. Current consumption from the battery
Standby mode 1 mA max.
Current consumption from USB 450 mA max.
Current consumption from external power supply 300 mA max.
Clock deviation from the «real» time, per day 5 sec max.
PC interface USB 2.0 High- or Full-speed
PC connection
Data transfer rate 460 Kbit/sec
Size, mm 75.3
×
48.7
×
12.9
Weight (with battery), g 70
Supported Microsoft® operating systems Windows 2000, Windows XP