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If you have no audio at all you likely need to specify an output device (like “Internal Speakers” or “Headphones”). To rectify these problems you’ll need to dig into the app’s preferences. This includes DAW software like Ableton, video editors like Adobe Premiere, and sound-editing software like Audacity. Some applications have their own sound preferences that must be managed manually. Not all sound problems are related to macOS. If you cannot see your HDMI device listed and it’s definitely connected and working, try disconnecting it and plugging it back in. Your Mac should remember which device output settings you prefer in the future.

You could also designate another sound device (like headphones) if you wanted to output audio that way. You should see your HDMI device in the list of available sound outputs. If you have issues with your sound and you’re still running Mavericks, upgrading your Mac to a newer version of its operating system is a good idea. Fix Crackling or Garbled Sound By Killing Core AudioĬrackling or stuttering audio is a problem that plagued many around the launch of OS X 10.9 “Mavericks” in late 2013. Unfortunately, it’s pretty inconvenient, but it’s not the only way of fixing some issues. Restarting your machine will likely fix many issues, including crackling or stuttering audio. This seems like a bit of a heavy-handed fix, but sometimes you really do need to turn it off and on again. If you’ve tried adjusting your Sound settings to no avail, restarting your Mac is probably worth a shot. You might want to try resetting your NVRAM/PRAM to solve this issue, otherwise create a backup with Time Machine and then reinstall macOS and try again. If you don’t see any output devices at all, you might have encountered a problem when updating or upgrading macOS.

Some sound issues can even be fixed by selecting a different output, then selecting the original output. If you would rather output to another device like an audio interface, headphones, or aggregate device, you can specify that under these settings. Now, test your output settings again by playing some music or an audio file.

How to access skype echo sound test service contact