TANDBERG Videoconferencing System | Advanced use |
Advanced call quality
NOTE
THE ‘AUTO’ SETTINGS ARE RECOMMENDED CHOICES FOR MOST CASES. THE OTHER AUDIO, VIDEO AND RESOLUTION SELECTIONS MADE IN THIS MENU WILL OVERRIDE THE SELECTIONS MADE IN THE ‘CALL QUALITY’ MENU AND ARE NOT RECOMMENDED TO BE CHANGED FOR NORMAL USE.
Audio |
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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. |
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Video |
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Auto | Optimized video quality depending on available bandwidth. |
H.264 | Bandwidth efficient video compression and decompression. |
H.263 | Normal video compression and decompression. |
H.261 | Legacy video compression and decompression. |
Off | No video is transmitted. |
TIP
RESOLUTION, AUTO FUNCTIONALITY
(IF SUPPORTED BY FAR END):
WHEN ‘VIDEO: MOTION’ :
LOW BANDWIDTHS: CIF, SIF
HIGH BANDWIDTHS: ICIF,ISIF
WHEN ‘VIDEO: SHARPNESS’ :
4CIF, 4SIF, VGA, SVGA, XGA
Resolution |
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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. |
CIF | High resolution video (352 x 288 pixels). |
QCIF | Low resolution video (176 x 144 pixels). |
H.331 |
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Off | Standard |
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 |
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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’.
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