StephenPG wrote: > What are brickwalling artefacts? A square wave contains a sum of all odd harmonics up to infinity. If you remove some of the higher ones, the resulting wave is of course not perfectly square any more - the top will show a "ripple" proportional to the removed higher harmonics. This is usually referred to as the 'Gibbs phenomenon ' (https://en.m.wikipedia.org/wiki/Gibbs_phenomenon). If the removed harmonics are higher in frequency than the limit of human hearing (as usually is the case in digital audio systems), the effect is purely visual and not audible - another case of the dangers of using your eyes rather than your ears.
"To try to judge the real from the false will always be hard. In this fast-growing art of 'high fidelity' the quackery will bear a solid gilt edge that will fool many people" - Paul W Klipsch, 1953 ------------------------------------------------------------------------ Julf's Profile: http://forums.slimdevices.com/member.php?userid=42050 View this thread: http://forums.slimdevices.com/showthread.php?t=102648 _______________________________________________ discuss mailing list [email protected] http://lists.slimdevices.com/mailman/listinfo/discuss
