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Managing Lens Video Quality

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During a Lens session started from the Rescue Technician Console, Rescue Lens automatically adjusts the quality of the video stream to suit the quality of service provided by the carrier network. The support technician can, however, also change the video quality manually at any point during the session.

Rescue Lens uses three video stream quality presets.
Preset ValueResolution for AndroidResolution for iOSFrame RateActivating Chat Command
HighActual screen size640*48018 FPS_!videoquality high
320*244 (Nexus 4)
480*36015 FPS_!videoquality medium
320*244 (Nexus 4)
480*3605 FPS_!videoquality low
The default setting for each session is the High preset value. When the network cannot transfer the necessary volume of traffic, Lens temporarily decreases the video quality to a lower preset value. The technician can also change the video quality manually at any point during the session by typing the corresponding command in the Chat field.

Examples for the need to decrease video quality:
  • To limit the bandwidth consumed by the video stream
  • To support video streaming on networks having a bandwidth lower than 400 kbps
  • In case of slow cellular networks, the automatic network adaptation may produce slow adaptation, or may stop streaming. To ensure quicker adaptation, use the medium or low preset values
ProductLogMeIn Rescue; Rescue Lens

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