FAL.OM.002372.DRM
Page 51 of 62
Version 1.6draft2
Doremi Labs
8 Technical Specifications
8.1 Fidelio System
Number of Transmitters to coexist per Tablet
32 maximum
Max. unobstructed range, transmitter to headset 100 meters or 328 feet
Audio bandwidth
50Hz to 15kHz, stereo
Codec (digital audio compression scheme)
CELT (low latency) at 64 kbit/s
Frequency band
Selectable bands in the range 1880-
1930MHz depending on country.
Other wireless systems for coexistence
(CaptiView Transmitter)
ZigBee at 2.4 GHz
Latency (from USB transceiver output to headset) Substantially constant,<40ms
Communication Type
Digital Enhanced Cordless
Telecommunications (DECT)
8.2 AccessLink Transmitter
Number of stereo channels per transmitter
2
Maximum number of receivers per transmitter
>200
Power supply
USB B-socket. Maximum current 500mA
from 5V supply
8.3 Fidelio Receiver
Format
Box with several buttons, miniature stereo
jack
User controls
Volume, up and down buttons
User indicators
3LEDs, indicating charging; power on;
channel selection
Number of channels selectable via configuration At least 20 auditoria x[2 stereo channels
and text]
Battery life at full audio volume (new battery)
12 hours
Battery charging
Charging connection studs on AccessLink
charging stand base
Antenna
Dual diversity, internal board mounted
8.4 Ethernet Connection
Integrates with any external Gigabit Ethernet switch.
Gigabit Ethernet (GbE or 1 GigE) supports 1000BASE-T (also known as IEEE 802.3ab).
Each 1000BASE-T network segment can be a maximum length of 100 meters (328 feet),
and must use Category 5 cable or better.
