- Abbreviation for the European equivalent of DS1 (T1)
(ITU-T Rec. G.703 and G.732), 2.048
- Abbreviation for the European equivalent of DS3, 34.368 Mbps.
- Prevents a system from picking up the sound from its own speakers and
transmitting it back to other conference sites. Highly desirable for
Echo Return Loss Enhancement (ERLE)
- A figure of merit for acoustic and telephony echo cancellers, expressed
in dB. An acoustic echo canceller (AEC)
electronically enhances the apparent loss between the room loudspeaker and
- The insertion of mild attenuation in audio transmit and/or receive
signal paths to eliminate howling caused by excessive closed-loop gain.
Echo suppression may also be used with AECs to attenuate any residual echo
Electronic Data Interchange (EDI)
- The sending and receiving of data directly between trading partners
without paper or human intervention.
- A mathematical transposition of a file or data stream so that it cannot
be deciphered at the receiving end without the proper key. Encryption is a
security feature that assures that only the parties who are supposed to be
participating in a video conference or data transfer are able to do so.
This has not been an essential feature for telemedicine systems, but with
the growing concern about patient privacy in telemedicine networks it may
become one. See firewall.
- Ability to choose between the different long-distance
carriers. In rural areas, some local
exchange carriers are still serviced by only one long-distance
- The probability of a bit, character or block being in error within a
given sample size.
European Broadcasting Union (EBU)
- Headquartered in Geneva CH and with its technical center in Brussels BE,
the EBU is an association of European and world broadcasters which also
provides programming to its members, including the Eurovision Network.
European Federation for Medical Informatics (EFMI)