The MCU will heavily favor sending 448p or w448p video (resolutions of 576 x 448 and 768 x 448 pixels respectively) to those endpoints that are known to work best with these resolutions.
Sets the format for video transmitted by the | This option should be set to match your |
MCU. | endpoints' video configuration. If you set this |
| incorrectly, the smoothness of the video both to |
The MCU will transmit video at 30 | and from the endpoints might suffer. |
frames per second (or a fraction of 30, |
|
for example: 15fps) | NTSC is typically used in North America, while |
The MCU will transmit video at 25 | PAL is typically used in the UK and Europe. |
| |
frames per second (or a fraction of 25, |
|
for example: 12.5fps) |
|
|
|
Sets the maximum payload size (in bytes) of the | Typically, you only need to set this value to |
packets sent by the MCU for outgoing video | lower than the default (1400 bytes) if there was a |
streams (from the MCU to connected video | known packet size restriction in the path between |
endpoints). | the MCU and potential connected endpoints. |
| Video streams generally contain packets of |
| different lengths. This parameter only sets the |
| maximum size of a transmitted network datagram. |
| The MCU optimally splits the video stream into |
| packets of this size or smaller. Thus, most |
| transmitted packets will not reach this maximum |
| size. |
|
|
Controls whether the MCU restricts video | You should only enable this option if you are |
resolutions in order to reduce the effect of | seeing video interlacing artifacts or on the advice |
interlacing artifacts. | of Codian technical support. Note that all |
| resolution restrictions imposed by this setting |
| apply only to video being sent from endpoints to |
| the MCU. |
|
|
Enables the MCU to send bandwidth control | The MCU can send these messages to endpoints |
messages to optimize the video bandwidth being | requesting that the bandwidth of the video that |
used. | they are sending be decreased or increased, up to |
| the maximum bandwidth of the channel. |
| If the participant is very prominent, then the |
| MCU will ask the endpoint to send video at a |
| high bandwidth. If the participant is not being |
| viewed at all (or only being viewed in very small |
| view panes), the MCU will request that the video |
| is sent at a lower rate to conserve network |
| bandwidth. |
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| 114 |
