Setting system audio levels in Win10/Camtasia 2018?

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Hi all - running Camtasia 2018 on a Win10 desktop.  I'm recording system audio (NOT microphone input) and cannot find a way to adjust the input volume, so I'm getting distorted peaks in some of my audio. 

On the pop-up screen cap dialog box, I drag the input volume slider (at least that's what it appears to be) to try and lower it but it doesn't change the input level at all.  There is a shaded VU meter-like bar behind the slider that's at about 80% level but I don't know if that's the actual input level or just a UI thing.  

Every system sound setting I change makes no difference in the Camtasia input level.

I should note I'm doing this through the screen record feature.  However I don't want video and ONLY want to record system audio.  Should I be doing this a different way?

What am I missing???  TIA
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Tom Schlak

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Posted 6 months ago

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Joe Morgan

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Turning down system audio will reduce recorder input.



I keep my below 50%

Regards,Joe

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Tom Schlak

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Joe - it literally did nothing to the input levels as I mentioned in my post.  No setting I could adjust changed anything.
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David B. Demyan

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I like to use a separate audio recorder such as Audacity, an excellent freeware solution. You have the ability to record audio without also building a screen recording at the same time if that's what you need. Audacity has some good input level controls at the top of the recording window.
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Tom Schlak

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Hi David - yeah I've just gone to Audacity.  It's just faster for me to grab snippets in Camtasia which is why I wanted to use it.

Thx!
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Joe Morgan

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I don't know what to tell you Tom?
So I'll go with contact support.

In this image below, I used Camtasia 2018.0.7 on my Windows 10 desktop.
I recorded the same thing at 10%, 41% and 100% system volume.
Well............Speakers/Headphone volume.



The waveforms indicate the different volume levels recorded.


(Edited)
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Tom Schlak

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Thanks for your input, Joe! I do appreciate it.  I figured out what happened.

The Tidal app for Win10 was one of the sources I was using to grab audio clips.  No matter what I did to lower the audio level, if I went to another clip, the level would reset and be peaking out again.  Turns out that in the app is a setting under Streaming called "loudness normalization" which sets the same vol level on everything it plays. This also affected the app volume in Win device settings so no matter how low I set it, the vol got cranked up again by the Tidal app!  Once I disabled that setting, Windows behaved itself!
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Rick Stone

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Tom I want to commend you for taking the time to post this solution. So often we see threads just end with no clue as to whether the problem ever got resolved or if so, exactly how.

Your information could be very beneficial for others down the road.

So thanks!