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Square Waves - Audio Precision
https://www.ap.com/technical-library/square-waves/
Let’s look at another audio test where a high purity square wave is required for accurate results. DIM (Dynamic Intermodulation Distortion) uses a combined square wave / sine wave stimulus to reveal slew-induced distortion—distortion caused when an amplifier can not increase or decrease its output voltage fast enough to follow its input.
Squarewave Testing - sound-au.com
https://sound-au.com/articles/squarewave.htm
A'n' = ( 2 / ( π × n )) × V Where 'V' is the peak-peak voltage of the squarewave and 'n' is the harmonic number (odd only). So if the squarewave is 2V peak-peak as shown, the 1st harmonic (the fundamental) is at 1.273V, the 3rd harmonic will measure 424.4mV, the 5th is …
Square Wave Testing of Audio Products - YouTube
https://www.youtube.com/watch?v=9k8YpHkYJnY
The topic of using square waves to test audio products comes up quite frequently. Turns out that it is not a very useful signal for this application due to ...
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