Advanced Use

TANDBERG Director Videoconferencing System

 

 

Advanced call quality

N O T E

THE SELECTIONS MADE IN THIS

MENU WILL OVERRIDE THE

SELECTIONS MADE IN THE ‘CALL

QUALITYMENU. IF ‘AUTOIS

SELECTED, THE SETTINGS IN

‘CALL QUALITYWILL BE USED.

Audio

 

AUTO

The setting of ‘Audio: Auto/High/Normal’ in ‘Call Quality’ will be used.

G.722.1

Compressed high quality audio (7 kHz).

G.722

High quality audio (7 kHz).

G.728

Compressed normal quality audio (telephone quality, 3.1 kHz).

G.711

Normal quality audio (telephone quality, 3.1 kHz).

OFF

No audio is transmitted.

Video

 

AUTO

Optimized video quality depending on available bandwidth.

H.263

Bandwidth efficient video compression and decompression.

H.261

Normal video compression and decompression.

OFF

No video is transmitted.

Resolution

AUTO The setting of ‘Video: Auto/Motion/Sharpness’ in ‘Call Quality’ will be used, see tip above.

4CIF

Digital ClarityTF (704 x 576 pixels), only

T I P

RESOLUTION, AUTO

 

for H.263.

 

 

FUNCTIONALITY (IF SUPPORTED

iCIF

Natural VideoTF (352 x 576 pixels for PAL,

 

BY FAR END):

 

352x480 pixels for NTSC), only for

 

WHEN VIDEO: MOTION’ :

 

 

LOW BANDWIDTHS: CIF, SIF

 

H.263.

 

 

 

HIGH BANDWIDTHS: ICIF, ISIF

CIF

High resolution video (352 x 288 pixels).

 

WHEN VIDEO: SHARPNESS’ :

QCIF

Low resolution video (176 x 144 pixels).

 

CIF, 4SIF, VGA, SVGA, XGA**

 

 

H.331

 

 

 

OFF

Standard two-way communication with quality negotiation between both sides.

ON

Used when broadcasting a video conference from one site to many others, e.g.

 

via satellite, where there is no possibility to negotiate quality between the

 

receivers and the originator due to one-way communication.

Status Format

Provides call quality feedback on the status line.

AUTO Video off/on; Audio off/normal/high

ADVANCED Shows video/audio standards (Example: Video: H.261 CIF, Audio: G.722).

TF - TANDBERG FIRST

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TANDBERG D5016402 user manual Advanced call quality