Doremi Fidelio - Manual (Page 48)

FDO.OM.001852.DRM Page 48 of 77 Version 1.5
Doremi Labs
7 Technical Specs
7.1 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
(Note: the band is configured at
factory, and it cannot be changed by
the user)
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)
7.2 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
7.3 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 Fidelio