![]() ![]() Both platforms seem to trash my applications when updating but at least I can say no to Catalina for a while. I use Wirecast on Mac simply because those are my more powerful laptops and Redezvous guests can share their screen for presentations. I'm running a MacBook pro 16" 2019 i9 on the latest big sur update.Unless you need to do screen share with a remote presenter. I run an internet broadcast of live sport, cricket, which can last up to a max of 10 hours straight, we broadcast at 2 mbps to a max of two facebook pages, a youtube channel and a watch party app, all through Wirecast pro. To do this with the pandemic on I have been ingesting remote hosts via zoom whilst broadcasting a TV station back to them in the same zoom feed.Ĭonnected to my computer I have a mains powered 2nd monitor, I'm ingesting video from a sony prosumer camera via a Blackmagic ultra studio mini recorder and sound via a focusrite scarlet sound card and I have an ethernet cable plugged in for good measure. I'm using all mac extensions and adapters to connect all these up to the MacBook. The Ultra studio and scarlet are powered via the computer. Now from the moment I start broadcasting, even though the computer is permanently plugged into the mains, starts draining the battery. This happens all day until the battery goes into the red and then it starts charging, so the back end of the broadcast the battery is always in the red and charging. At the point this starts happening the CPU usage jumps upwards and on a bad day the video gets all stutter and broadcast drops frames. I went to the genius bar and the guy re flashed my firmware and re installed the latest OS ( spent the next 24 hours re installing everything form scratch), that didn't work and at the time I was using a third party breakout hub. I bought another one of those and neither of them solved the problem. ![]() In fact with the latest update of OS a message in the top right told me that the hub was getting too hot and not working properly. Hence my change to all apple extensions cables and adaptors. This solved the massive increase in CPU usage at the point when the charging starts towards the end of the day somewhat but not entirely but the battery is still continually draining.Īny help welcomed, but it seems absurd that on a 3 grand computer it can't handle this kind of set up and load, this is precisely the kind of thing they were designed to do I thought.īefore the pandemic I was doing all this on MB pro 2013 i7 and it never drained the battery. When I had to get everyone in remotely via zoom that computer couldn't handle the work hence I bought this pro 16" and it's beginning to my head in. You indicated that the older Mac could not "handle the work" with the zoom added in. ![]() So it was doing less than your newer computer, which also has to power a more energy-intensive built in display. The old Mac, if it was the 15-inch version, came with an 85 watt power supply, the new one has 96 watts. I have the same 2019 MacBook Pro as you do, and have found (by accident) that an 85 watt power supply can run the 2019 computer just fine, even with two external portable Time Machine SSDs connected powered via Thunderbolt. Maybe by itself the computer needs 70 watts, I don't know, I'm making this up. The 96 watt charger thus allows for peripherals and other activity like zoom etc. Maybe you are using 30 watts which is why it is discharging. If your old Mac had an 85 watt charger but by itself needs, say, 60 watts, then you could use up to 25 watts of peripherals, etc. You had the same peripherals attached, but the older Mac was not running zoom, and it also has a less power hungry display. Maybe all your "extras" for that Mac totaled 24 watts (you were doing less than with your new ones which is running zoom in addition). So it would "fit" but the new one would not. ![]()
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