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Camera very Laggy

Hi; I have just installed Screenflow 10. MacBook Pro (2020), Logitech C920 Webcam, MacOS Big Sur 11.4

The camera is very laggy - only occasionally updates the recording. 

Screenflow 9 continues to be fine, as do other apps - Zoom.us / etc.

Is this a known problem? I couldn't see it being reported.

Thanks. Bob

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  • We should have a fix for this very soon.

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    • CraigS This may be telling you something you already know, but I used the inbuilt camera on the MacBook Pro and it seems fine.

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      • CraigSModerator
      • Telestream Desktop Forum Moderator
      • CraigS
      • 4 wk ago
      • 1
      • Reported - view
      Robert Reed Hallsworth said:
      but I used the inbuilt camera on the MacBook Pro and it seems fine.

       Yes, this issue seems to be specific to external USB devices. It can be laggy/low frame rate and/or small squarish frame sizes as well. Fix coming soon.

      Like 1
  • Thanks, CraigS

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      • CraigSModerator
      • Telestream Desktop Forum Moderator
      • CraigS
      • 4 wk ago
      • Reported - view

      Robert Reed Hallsworth 👍

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      • CraigSModerator
      • Telestream Desktop Forum Moderator
      • CraigS
      • 3 wk ago
      • Reported - view

      Robert Reed Hallsworth Please see forum private message.

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    • CraigS Thank You. The Beta version was good and I have just downloaded the public 10.0.3 - Looks good so far. :)

      Thanks to the team.

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      • CraigSModerator
      • Telestream Desktop Forum Moderator
      • CraigS
      • 4 days ago
      • Reported - view

      Robert Reed Hallsworth 👍

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  • having the same problem with a new Mac Mini. I'm currently using a cheap webcam, which works fine and records fine with all other apps, but when recording with Screenflow, it acts like an old webcam from 2010-----patchy and scratchy movement. I'm hoping to purchase SCreenflow, since I haven't had a Mac for a long time and this was one application that I missed a lot. Will this be fixed?

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    • I plan to get a better webcam, but am shopping around for that. 

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    • Recommendations welcome.

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      • CraigSModerator
      • Telestream Desktop Forum Moderator
      • CraigS
      • 3 wk ago
      • Reported - view
      Jay Kauffman said:
      Will this be fixed?

       See Forum Private Message.

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    • CraigS Where can i find Forum Privat Message??? I also have this Problem. Every year i think: dont`t change a running system!!! SF 8 runs perfect and now .... SF ist not usefull and robs my time 😢

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  • I have just contacted support with exactly the same issue. iMac 4Ghz, 32gb RAM, running Big Sur 11.4."When I start recording from Screenflow 10.0.0.2 (webcam recording, screen recording, USB mic recording enabled) I see NOTHING on screen- no Screenflow interface. I record blind. When I review the recording I see horrific lag in video recording although the audio is clear. I have reformatted my Mac and have created my users folder on a different volume on same internal drive. Could this be in an issue? I have a screen recording showing the issue but not sure if a 360mb upload will be allowed in the forum.

    Really wish I had not deleted Screenflow 9 as it ran perfectly! 

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  • Just seen feedback about issue with higher quality cams- am not using internal cam but using a USB Logitech 930 recording in 1080p...

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  • Having the same problem. Logitech C920, SF 10, iMac 11.4 Big Sur. Have anyone a solution??? 

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      • CraigSModerator
      • Telestream Desktop Forum Moderator
      • CraigS
      • 13 days ago
      • Reported - view

      Paul Hutton Claudia Henrichs This should be fixed in the upcoming update. Beta testers confirmed the fix works so it should be coming soon.

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    • CraigS Many thanks- I have been one of the beta testers and confirm this is indeed resolved. Thanks to all the team Telestream

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      • CraigSModerator
      • Telestream Desktop Forum Moderator
      • CraigS
      • 12 days ago
      • Reported - view

      Paul Hutton Thanks for confirming. The release should be soon (a few more fixes included).

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  • I have the same problem regarding the Logitech C920 with Screenflow V10.0.2. I hope the fix is released ASAP, as the C920 is much better than the built-in camera on my IMac. 

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      • CraigSModerator
      • Telestream Desktop Forum Moderator
      • CraigS
      • 5 days ago
      • Reported - view

      Marv Eisenpresser ScreenFlow 10.0.3 has just been released. Please install reboot and test.

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  • Marv Eisenpresser said:
    I hope the fix is released ASAP,

     So do we. Likely just a few days if all goes well.

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  • Thanks Craig - I downloaded the new version 10.0.3.  :)

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      • CraigSModerator
      • Telestream Desktop Forum Moderator
      • CraigS
      • 4 days ago
      • Reported - view

      Marv Eisenpresser You're welcome of course.

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