We want to detect bad audio quality in audio call.
Should we extract this information from amplitude or frequency spectrum ? Is there any technique/transform/filter available for this ?
Example:
I am attaching two signal graph(Clean Signal vs Noisy One) of Amplitude vs time.
Clean Signal Graph:
Noisy Signal Graph:
As shown in above graph, there is a continuous noise in background in Noisy signal.
How can it be differentiated between this two signal ?
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