AV News 190 - Novembert 2012
Sample Rates
John Smith APAGB CPAGB
All sounds that we hear are pressure waves in air. Starting with Thomas
Edison's demonstration of the first phonograph in 1877, it has been possible
to capture these pressure waves onto a physical medium and then reproduce
them later by regenerating the same pressure waves. Audio pressure waves,
or waveforms, look something like this:
An analog waveform
Analog recording media such as records and cassette tapes represent the
shape o