Canon launches new PTZ protocols for CR-N500 and CR-N300 4K PTZ cameras

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Canon United States (opens in a new tab) will provide a free firmware update for two of its 4K PTZ (pan-tilt-zoom) models: the CR-N500 (released in May 2021) and the CR-N300 (released in June 2021). The firmware update, which is now available, will add support for the SRT protocol, which has been widely adopted in the remote production market, as well as the FreeD protocol used in the virtual production industry. With the addition of this support, PTZ camera models can be used in a wider variety of applications and meet more diverse visual production needs.

The CR-N500 and CR-N300 4K PTZ cameras deliver the same high image quality as Canon’s acclaimed professional video cameras while also supporting IP3 connection. The cameras are compatible with Canon’s proprietary XC protocol as well as the NDI|HX4 protocol, widely used in the video production industry. With this new firmware update, the cameras support two new communication protocols, increasing their ease of use for the growing remote production and virtual production sectors of the video production industry.

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The SRT protocol for video transmission is widely adopted for video streaming and live broadcasting. Standing for “Secure Reliable Transport”, the protocol enables highly secure transmission of encrypted video data, stable and reliable transmission of video data through the functionality of resending and packet loss recovery5, as well as network monitoring and to a versatile buffer management system that helps ensure high image quality with low latency, even in unstable bitrate environments. With these key features and by linking with supported devices and cloud services, the SRT protocol helps create more efficient video streaming workflows.

With the new firmware update, the cameras will also support the FreeD protocol, which is widely used in virtual studio software for VR and AR video production. By supporting this protocol, the CR-N500 and CR-N300 can also be easily used in virtual production to enable high image quality VR and AR video production workflows based on video capture information, including panning and tilting the camera.

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Canon Firmware Improvements

Firmware CR-N300 v1.2.0
Firmware version 1.2.0 incorporates the following enhancements:

  • Adds support for the SRT protocol.
  • Adds support for the FreeD protocol.
  • Fixed a bug that sometimes caused pan/tilt/zoom to not move to the correct position during prolonged continuous power.

CR-N500 Firmware v1.2.0
Firmware version 1.2.0 incorporates the following enhancements:

  • Adds support for the SRT protocol.
  • Adds support for the FreeD protocol.
  • Fixed a bug that sometimes caused pan/tilt/zoom to not move to the correct position during prolonged continuous power.
  • Fixed bug in “Genlock phase adjustment function” – When using Genlock, set 3G-SDI mapping to level A to avoid vertical phase shift.

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