In the previous paragraph we saw how the flow of atmospheric pressure in relation to the active loudspeaker can be visualized as a waveform. Waveforms can actually be very complicated, but fortunately every single one of them, and I mean every single one, can be considered as an extension of a very simple wave form: the sinusoid
Frequency Range of Dog Hearing This is a page in The Physics Factbook™ — an encyclopedia of scientific essays written by high school students that can be used by anybody.
Build your home-made 500Khz Frequency meter! Based on the famous AT89C52 micro controller, this 500 Khz frequency-Meter will be enough to trace and debug most of your circuits, to adjust 555 timers frequency and perform all kind of frequency measurements in Digital circuits.
Audiosonica FanPage
