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Unità mobile di videoconferenza SCOTTY

Cosa è
Sistema per la gestione integrata dei servizi multimediali tramite il terminale Inmarsat-B: videoconferenza, trasferimento di registrazioni video in alta qualità, servizi internet.

Dove è stato utilizzato
Essendo l'ultimo grido nella sua classe rappresenta la prima applicazione di Telecom Italia.

Dati tecnici
 

Display: 12,1" TFT, 1024 x 768 pixel
Luminance: 200 cd/m2
Camera: Built in 1/3" CCD
752 x 582 pixel
470 TV lines
2 LUX
Lens: f = 8 mm
Video Input: 1 x composite 75 Ohm BNC
1 x composite 75 Ohm DB15 - 7W2
(together with 12 V output + RS-232)
Video Output: 1 x composite 75 Ohm - BNC
Multi I / O Card: SCOTTY video (& audio) switching matrix
with preview function
Other features: Video overlay up to full screen
Frame grabbing ("Snapshot" function)

Audio System

Microphone: 1 x built in mic
Speaker: 1 x 3 W
Audio Input: 1 x mic / line adjustable - RCA
Audio Output: 1 x line / headset adjustable - RCA
Other features: Wide band acoustic echo canceller
Audio mixer for internal mic / external
audio input

Communication Unit

Computer: Industrial Pentium PC (order specified)
Video Codec: Hi-End H.320 Power - Videocodec
64 (56) kbit/s - 384 kbit/s
Frame rate: Up to 30 frames/s
Data channel: Off or 6400 -124800 bit/s
ISDN Adapter: 1-BRI (2B), CAPI 2.0
Data transfer: SCOTTY high speed file transfer (parallel
to videoconference)
up to 62 kbit/s on a 64 kbit/s channel
up to 124 kbit/s on a 128 kbit/s channel

Options

IMUX: External 3 BRI (6B) inverse multiplexer
("Bonding" standard)
Network interfaces: RS-449 / RS-422 (or V.35, X.21, RS-530)
additional to ISDN
Dialing: RS-366, DTMF
Codec upgrade: (up to) 2 Mbit/s
Cameras: External Sony EVI-D31 Pan-Tilt-Zoom
camera with SCOTTY control software
Wolfvision VZ-7D document camera with
SCOTTY control software

Software

SCOTTY Teleporter - including "Record & Forward"
Windows 95
T.120 Data Communication Package - File Transfer, Shared Whiteboard, Application Sharing

Standards

Standards: H.320 (H.221, H.242, H.230, H.261, ...)
Transmission rate: 64 (56) - 384 kbit/s
Optional up to 2 Mbit/s
Video coding: H.261 (CCITT / ITU-T)
Video resolution: 352 x 288 FULL CIF (send & receive)
176 x 144 QCIF
Video system: PAL / NTSC
Audio coding: G.728 (16 kbit/s)
G.722 (48/56 kbit/s)
G.711 (48/56 kbit/s)
ISDN standards: ETSI ISDN (Euro-ISDN)
AT&T 5ESS
Northern Telecom DMS100
Japan INS64
National ISDN-1
Australian ISDN

Power

AC 90 - 260 V / 40 - 400 Hz
DC 10 - 32 V
Approx. 75 W

Dimensions

WxHxD 47 x 15 x 37 cm (19 x 6 x 15 inch)
13 kg (28 lb)

© 1999 by RAL GRUPPO - Via Clitunno, 2 - 00198 ROMA
Tel. (+39) 06 8411101 - Fax . (+39) 06 85856749

ralgruppo@tin.it