We have collected the most relevant information on Mac Mini Displayport Audio Passthrough. Open the URLs, which are collected below, and you will find all the info you are interested in.
Mini Displayport to Displayport - Audio O… - Apple Community
https://discussions.apple.com/thread/3178801
So we know that Displayport supports audio pass-through as well as video, and that support for audio out of the mini-displayport was added to recent Macbook models (which I have). However, Apple only specifies that audio is available via Mini Displayport to …
Mac Mini Audio Out over Mini-DP - Apple Community
https://discussions.apple.com/thread/7934040
Using either Finder or Launchpad go to Applications > Utilities > Audio MIDI Setup. On the left-hand side of the window you should now see HDMI. In the middle of the window, on the Output tab, where it says "Source:" select your TV from the drop-down list.
Connect a display to Mac mini - Apple Support
https://support.apple.com/guide/mac-mini/connect-a-display-apd8e4fbbb97/mac
If you’re not sure how many external displays your Mac mini supports, check the Resources tab in About This Mac. Choose Apple menu > About This Mac > Resources, click Specifications, then locate Video Support (you may need to scroll). To troubleshoot an issue with an external display, see If your external display isn't detected or appears blurry.
Kanex MDPHDTV10FT Mini DisplayPort to HDMI Adapter …
https://www.markertek.com/product/kan-mdphdtv10ft/kanex-mdphdtv10ft-mini-displayport-to-hdmi-adapter-10ft
If a user has a 720p HDTV it will read the EDID and automatically adjust the Mini DisplayPort output, if its 1080p the same tuning is made. This sleek adapter combines the video and audio pass-through into one simple solution. The audio is drawn from the Mini DisplayPort, which helps eliminate cable clutter.
Identify the ports on your Mac - Apple Support
https://support.apple.com/en-us/HT201736
Choose Apple menu > About This Mac, double-click your serial number, then press Command-C to copy it. Go to the Tech Specs page, click the Search Tech Specs bar, press Command-V to enter your computer's serial number, then click Search. Click the specs page for your Mac. Thunderbolt 4 (USB-C) These Mac models have Thunderbolt 4 (USB-C) ports:
Macos 11.3 Displayport Audio problem | MacRumors Forums
https://forums.macrumors.com/threads/macos-11-3-displayport-audio-problem.2293658/
3. Apr 28, 2021. #1. Macbook Pro 16" connected through USB-C cable to a HUB which is then connected over displayport to a monitor. Clamshell mode results in audio loss over the USB-C cable, opening up the macbook resume audio playback over displayport. This used to work fine before 11.3.
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