Vast amounts of marketing efforts are placed on touting the latest and greatest technological advancements in the realm of home audio. We are all aware of the over-inflated, and often baseless claims ...

Over the years controversy has raged back and forth on whether brick wall filters used in digital audio (namely for CD playback systems) exhibit phase shifts in the audio band (20Hz to 20kHz). Audio ...

Class D amplifiers generally use a low-pass filter to attenuate the switching noise in the output waveform while passing the audio signal to the loudspeaker, but many engineers are not familiar with ...

In the 1970s, Quad Ltd developed a “tilt” audio-tonecontrol, which first appeared on the company’s model34 preamplifier. The tilt control tilts the frequency contentof the audio signal by ...