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Thread: Quicktime recording is "jittery" on playback, MP4 is fine & smooth -- Wazzup?

  1. #1
    Exec Producer TV Webinars
    Join Date
    Feb 2017
    Location
    Rockville, MD
    Posts
    134

    Cool Quicktime recording is "jittery" on playback, MP4 is fine & smooth -- Wazzup?

    Hi folks,

    Happy Friday! We just did our first official broadcast and it went great!

    Our QuickTime session recording is not usable -- it seems to have lost frames (looks like a lag/pause/jump) every few seconds.

    Luckily we also recorded in MP4 format (H.264) and that recording is smooth & nice.

    Thoughts & suggestions are welcome!

    Thanks!

    Lance
    Lance ("L.A.") Simon
    www.TVWebinars.com
    Lance@TVWebinars.com
    (240) 400-0432

    TC460, Advanced Edition V2, NDI Transmit, VSE-AE, LiveText
    Panasonic AW-HE120, Canon XF-305, Canon VIXIA HF G40

  2. #2
    Lance,

    Did you notice any drive speed errors while recording?
    This happened to a client of ours and although they don't remember seeing the errors, it was due to a drive issue.
    They backed up their data, reformatted the drive and it has been working great ever since.

    Andrew
    Tricaster 460AE2 + LC-11
    Rack includes: Router, backup encoder, captioning devices, audio mixer
    Cameras: Sony FS700, Z150, NX5, A100 and PTZoptiocs 20x - all SDI (for now)
    http://reddogrecords.com

  3. #3
    Registered User Stream's Avatar
    Join Date
    Aug 2016
    Location
    USA
    Posts
    126
    Playback from where?
    From the DDR or outside of the Tricaster?
    If outside of the Tricaster did you have the Newtek Codecs installed?
    Tricaster 460 Advanced Edition 2, Tricaster 40 V1
    2 Sony PXW-X70 Cameras, 2 Panasonic AG-HMC40P Cameras
    VSE 2.5 - VSE Advanced Edition, A bunch of Doo-Dads and cables

  4. #4
    Exec Producer TV Webinars
    Join Date
    Feb 2017
    Location
    Rockville, MD
    Posts
    134
    From the DDR. Honestly I have PCs and can't find a way to play or edit these QuickTime files outside the tricaster.

    Regarding Red Dog's suggestion to (one again for the third time) format my drives and re-install everything -- UGH not for me, not for now, I've just got everything up & working!

    Thanks to all as always.

    Lance
    Lance ("L.A.") Simon
    www.TVWebinars.com
    Lance@TVWebinars.com
    (240) 400-0432

    TC460, Advanced Edition V2, NDI Transmit, VSE-AE, LiveText
    Panasonic AW-HE120, Canon XF-305, Canon VIXIA HF G40

  5. #5
    Registered User Stream's Avatar
    Join Date
    Aug 2016
    Location
    USA
    Posts
    126
    Do you have Premiere or the Codecs installed?

    Are your camera output setting matched to the input settings
    Instead of Auto, try picking the same setting as your camera is outputting.
    Tricaster 460 Advanced Edition 2, Tricaster 40 V1
    2 Sony PXW-X70 Cameras, 2 Panasonic AG-HMC40P Cameras
    VSE 2.5 - VSE Advanced Edition, A bunch of Doo-Dads and cables

  6. #6
    We got on a support call regarding this once and they ran a speed test on my drives remotely. It was quickly obvious where the issue was and a reformat fixed it for me.
    It also showed me why I should always record to the removable SSD drive we have in the system - the sustained write speeds where almost 5x the spinning drive speed.
    You might consider running the test just to rule out a problem drive.

    With only usb 2 on our machine, moving files is a PAIN! So we did everything possible before reformatting.

    Andrew
    Tricaster 460AE2 + LC-11
    Rack includes: Router, backup encoder, captioning devices, audio mixer
    Cameras: Sony FS700, Z150, NX5, A100 and PTZoptiocs 20x - all SDI (for now)
    http://reddogrecords.com

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