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The sound of Distortion
The sound of Distortion

... – We don’t usually listen to sine waves, but your ears are very sensitive to harmonics on a sine wave – This is the clearest audible demonstration of “harmonious” even harmonics and “discordant” odd harmonics – Masking is readily audible ...
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as a PDF - University of Hertfordshire

... resistance. It was specified that the OTA should work linearly for input voltage range 0.5 V and when used in an integrator, it should have the dc gain greater than 40 dB. Due to the high output resistance, the dc gain obtained is well above 40 dB for all in the operating range. The 3-dB frequency o ...
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Aalborg Universitet Hybrid power filter with reduced inverter power rating

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Ringing artifacts



In signal processing, particularly digital image processing, ringing artifacts are artifacts that appear as spurious signals near sharp transitions in a signal. Visually, they appear as bands or ""ghosts"" near edges; audibly, they appear as ""echos"" near transients, particularly sounds from percussion instruments; most noticeable are the pre-echos. The term ""ringing"" is because the output signal oscillates at a fading rate around a sharp transition in the input, similar to a bell after being struck. As with other artifacts, their minimization is a criterion in filter design.
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