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When I make a screen recording, I do not hear any audio during playback, but I do hear the ambient sound. This is the case in QuickTime, Screenshot (recording) and OBS. So the sound that accompanies the recorded image is not played back. I am working

When I make a screen recording, I do not hear any audio during playback, but I do hear the ambient sound. This is the case in QuickTime, Screenshot (recording) and OBS. So the sound that accompanies the recorded image (movie) is not played back. I am working with an iMac (Retina 4K, 21.5-inch, 2019), 3 GHz 6-Core Intel Core i5.

iMac 21.5″, macOS 11.2

Posted on Apr 6, 2021 4:34 AM

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Posted on Apr 6, 2021 5:17 AM

to record the mac's internal sound with quicktime you need additional software. i use the free BlackHole Virtual Audio Driver. then you can choose "BlackHole 2ch" in the recording options instead of "Built-in Microphone."


you will also need to set up a multi-output device in your audio MIDI setup utility to be able to both hear and record the internal audio at the same time.


to set up a multi-output device:


Open Audio MIDI Setup: (found in /Applications/Utilities)

hit the '+' button in the bottom left corner and select "Create Multi Output Device"


then in the panel that appears on the right, in the Multi-Output Device tab, select "Built-in Output" AND "BlackHole 2ch". (and, if you want, any of your other connected devices.)


once you do that, (and BEFORE recording) you can choose "BlackHole 2ch" or "Multi-Output Device" in your menubar "sound options". 


to both hear the speakers and record the audio at the same time, choose "Multi-Output Device". before choosing multi-out, set the internal speakers' volume to a comfortable level first. you cannot control the volume once you are in multi-out mode.

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Question marked as Top-ranking reply

Apr 6, 2021 5:17 AM in response to wim212

to record the mac's internal sound with quicktime you need additional software. i use the free BlackHole Virtual Audio Driver. then you can choose "BlackHole 2ch" in the recording options instead of "Built-in Microphone."


you will also need to set up a multi-output device in your audio MIDI setup utility to be able to both hear and record the internal audio at the same time.


to set up a multi-output device:


Open Audio MIDI Setup: (found in /Applications/Utilities)

hit the '+' button in the bottom left corner and select "Create Multi Output Device"


then in the panel that appears on the right, in the Multi-Output Device tab, select "Built-in Output" AND "BlackHole 2ch". (and, if you want, any of your other connected devices.)


once you do that, (and BEFORE recording) you can choose "BlackHole 2ch" or "Multi-Output Device" in your menubar "sound options". 


to both hear the speakers and record the audio at the same time, choose "Multi-Output Device". before choosing multi-out, set the internal speakers' volume to a comfortable level first. you cannot control the volume once you are in multi-out mode.

Apr 7, 2021 7:59 AM in response to wim212

you're welcome. i've been previously using an extension known as soundflower but it will soon reach it's end of life. i switched to BlackHole a few months back because it was hard for me to recommend it while still using soundflower. and, yes, while OBS does have it's uses, it's mostly redundant if the BlackHole and QuickTime combo works for your needs.

When I make a screen recording, I do not hear any audio during playback, but I do hear the ambient sound. This is the case in QuickTime, Screenshot (recording) and OBS. So the sound that accompanies the recorded image is not played back. I am working

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