TANDBERG D50104-15 user manual Advanced call quality

Health Care System III Advanced Use

Advanced call quality

NOTE

THE SELECTIONS MADE IN THIS MENU WILL OVERRIDE THE SELECTIONS MADE IN THE ‘CALL QUALITY’ MENU.

IF ‘AUTO’ IS SELECTED, THE SETTINGS IN ‘CALL QUALITY’ WILL 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
			RESOLUTION, AUTO FUNCTIONALITY
		TIP
	available bandwidth.
			(IF SUPPORTED BY FAR END):
H.263	Bandwidth efficient video compression		WHEN ‘VIDEO: MOTION’ :
	and decompression.		LOW BANDWIDTHS: CIF, SIF
			HIGH BANDWIDTHS: ICIF,ISIF
H.261	Normal video compression and decompression.
			WHEN ‘VIDEO: SHARPNESS’ :
Off	No video is transmitted.
			4CIF, 4SIF, VGA, SVGA
Resolution
Auto	The setting of ‘Video: Auto/Motion/Sharpness’ in ‘Call Quality’ will be used, see
	tip above.
4CIF *	Digital Clarity (704 x 576 pixels), only for H263.
iCIF	Natural Video (352 x 576 pixels for PAL, 352x480 pixels for NTSC), only for H263.
CIF	High resolution video (352 x 288 pixels).
QCIF	Low resolution video (176 x 144 pixels)
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: H261 CIF, Audio: G722).

* - Requires option ‘Presenter’. To check which options are installed, see the ‘System Info’ menu in ‘Diagnostics’.

57