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How could I describe an audio processing circuit fault to a circuit designer where the following symptoms occur:

After a period of silence in the recording, the first segment of audio is missing/muted

I took a mono voice recorder and recorded the same sample segment of audio through two different amplifiers, one with the fault, and the other normal.

Then I took both recordings and placed them in an audio player (Audacity) and it's clear one recording is missing some audio (the bottom one).

Waveform of two tracks where bottom track is missing audio

It is also apparent when you listen to a stereo recording where one track is played in each ear, there's missing audio.

Question: If you wanted to describe this fault to the circuit designer, how would you phrase it, technically, so that it would be understood?

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  • \$\begingroup\$ Is it possible to attach an audio clip? \$\endgroup\$ Commented Nov 29 at 19:59
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    \$\begingroup\$ your description sounds good and clear; together with a recording and exactly the screenshots and explanations, I don't know what they would not be getting. Don't solve a problem that is none: Unless they've told you they don't understand, you've nothing to improve, and if they did tell you, you will need to talk to them, not us, what they need help with understanding. \$\endgroup\$ Commented Nov 29 at 20:14
  • \$\begingroup\$ Please edit to add a caption below the Audacity screengrab to explain what we're looking at and what the yellow boxes are supposed to tell us. As far as I can see there is no relationship between the two recordings. \$\endgroup\$ Commented Nov 30 at 0:01
  • \$\begingroup\$ just say what you said in your post ... there is no reason to use technical language in the description \$\endgroup\$ Commented Nov 30 at 5:50
  • \$\begingroup\$ In my opinion, it's not a fault but rather a filtering action in a certain frequency band. The audio signal's time signature will appear different from that without the filter. \$\endgroup\$ Commented Nov 30 at 6:58

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