TANDBERG Videoconferencing System | 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 | The setting of ‘Audio: Auto/High/Normal’ in ‘Call Quality’ will be used. | |||
Auto | ||||
G.722.1 | Compressed high quality audio (7 kHz). |
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G.722 | High quality audio (7 kHz). |
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G.728 | Compressed normal quality audio (telephone quality, 3.1 kHz). |
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G.711 | Normal quality audio (telephone quality, 3.1 kHz). |
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Off | No audio is transmitted. |
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| RESOLUTION, AUTO FUNCTIONALITY |
| TIP | |||
Video |
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| (IF SUPPORTED BY FAR END): |
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| WHEN ‘VIDEO: MOTION’ : | |
Auto | Optimized video quality depending on available bandwidth. |
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| LOW BANDWIDTHS: CIF, SIF |
H.263 | Bandwidth efficient video compression and decompression. |
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| HIGH BANDWIDTHS: ICIF,ISIF |
H.261 | Normal video compression and decompression. |
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| WHEN ‘VIDEO: SHARPNESS’ : |
Off | No video is transmitted. |
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| 4CIF, 4SIF, VGA, SVGA |
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Resolution | The setting of ‘Video: Auto/Motion/Sharpness’ in ‘Call Quality’ will be used, see tip above. | |||
Auto | ||||
4CIF | Digital Clarity (704 x 576 pixels), only for H263. |
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iCIF | Natural Video (352 x 576 pixels for PAL, 352x480 pixels for NTSC), only for H263. | |||
CIF | High resolution video (352 x 288 pixels). |
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QCIF | Low resolution video (176 x 144 pixels). |
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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. |
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Auto | Video off/on, Audio off/normal/high |
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Advanced | Shows video/audio standards (Example: Video: H261 CIF, Audio: G722). | |||
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