How do you screen-record a video without the audio "echoing"? Appreciate any advice!

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Hi everyone, I'm attempting to screen-record a video from a certain website, when I save and it, the audio 'echos' and kind of doubles itself. I'm running 8.1.2 if that helps. On my old computer (I just got a new one) I was able to screen-record videos and the audio would come out just fine, it was like how the original video would sound.

Any idea what could stop it from doing this now? Appreciate any help! Thank you!!
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Kevin Derrick

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Posted 3 years ago

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kayakman, Champion

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when you record, select do not record mic, and just record system audio
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If two tracks were created, one audio only and the other a combined audio and video then delete the audio only track.
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One observed phenomena is if your are using the popular Boom or Boom2 audio equalizer app on OSX ( ) is that it will not coexist well running along with Camtasia recording. 
Some kind of audio mix effect occurs where Camtasia recordings get an audio echo effect as if recording both the non-equalized and Boom equalized (slightly delayed version) audio intermixed ?.  The only solution I found was exiting the Boom app so it is not running while I do Camtasia recordings that capture system audio.
So if you experience such echo effects when recording with Camtasia and know you are running Boom then there ́s your culprit.  Maybe Camtasia engineers could take a look at what causes this and if there is an easy workaround other than turning Boom off.
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I run into this sometimes and forget how I solve it. Follow the instructions at this link. I usually just turn off the "Recording System Audio" and the echo will not be recorded.
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Hong Simon

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You can record only the system audio, not both, so you don't have echo problem. Or you may try Acethinker Screen Recorder (, It supports recording system audio and microphone or both. I always take it to record videos and upload to YouTube so that I can share with friends. It works so well that I haven't found some defects.