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Activity Forums Apple OS X M1 Macbook Pro (16") will not playback video without headphones plugged in.

  • M1 Macbook Pro (16") will not playback video without headphones plugged in.

    Posted by Paul Neumann on August 31, 2023 at 2:24 pm

    Video playback does not happen without headphones being plugged in or without a bluetooth speaker (or BT headphones) connected.

    Imagine playing back a timeline in PPro, AE, FCX, Resolve, QT and you’re monitoring it though headphones. You unplug the headphones and the playback stops. The play button becomes inoperable. Plug the headphones back in and you’re good to go. Same behavior across all of the programs you might ever think of to play video/audio. Nothing works unless you’re plugged in/connected.

    Any ideas? Any history with this problem?

    Thanks.

    2021 MBP 16

    M1Pro/16 GB

    Ventura 13.5.1

    Doug Metz replied 6 months, 2 weeks ago 3 Members · 4 Replies
  • 4 Replies
  • Doug Metz

    September 21, 2023 at 8:53 pm

    Could be the audio I/O changing while the app is running.

    Can you regain control if you quit and relaunch the app? I would try this – first verify the issue occurs if only one A/V app is running. Then quit, relaunch, and try playback again without the phones. This is just a troubleshooting step to try and narrow down the triggering factor.

  • Paul Neumann

    September 28, 2023 at 12:42 am

    Thanks. I’d given up on anyone even trying to tackle this. I’ve posted this everywhere (Apple, Facebook forums, Reddit) and nobody has ever replied.

    And no, your suggested action makes no difference. Waiting to get between jobs and just blow the box up and start over. Seems like my only hope.

    Thanks for taking the time to reply.

  • Brie Clayton

    September 28, 2023 at 1:54 am

    I have the same computer. It doesn’t have this problem, but it does have some idiosyncrasies (once a day it stops downloading or uploading files and has to be restarted). I do see that the MacBooks have a dual output audio, and that occasionally software will recognize something like the headphone output as a “separate playback engine”.

    Members of this Avid forum seemed to re-route the situation with Rogue Omega Loopback, although they are working with ProTools: with https://duc.avid.com/showthread.php?t=411386

    Not sure if that helps.

  • Doug Metz

    September 28, 2023 at 2:29 pm

    One other thing you could try – create a new user account, log into that one, and see if the issue persists. That would let you know if it’s a system-wide thing or not.

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