Articles

Alexander Graham Bell was a multi-faceted individual with wide ranging interests. One of the earliest machines to fly in Canada was down to him, and he also pioneered the hydrofoil. In audio the level unit we use commemorates his name. Bell’s wife, Mabel, was profoundly deaf and as a result could not hear herself speaking…

John Watkinson looks at Troubleshooting. Sound only needs air to travel in, but once we want to transmit or record sound, we have to use technology which is imperfect and subject to failure. Locating and rectifying failures then becomes an integral part of dealing with technology. Efficient faultfinding requires a logical or scientific approach. Sadly,…

We tend to think of digital recording and information technology as something modern, whereas John Watkinson argues that nothing could be further from the truth. In order to see my point, we need to go back in two ways; back to the foundations of information theory and back before rock and roll, to the beginning…

We are told we live in an information society. John Watkinson wonders how we recognize information when we see it. Dig deep enough, and everything is digital. Our DNA uses quaternary coding in discrete symbols. Atoms consist of discrete particles. Quantum mechanics teaches us about discrete packets of energy. Electrons are discrete and so on.…

John Watkinson looks at the aperture effect and finds that it crops up in a surprising number of places. One way of considering the aperture effect is that it is nature’s way of pointing out how non-ideal our efforts are. The ubiquity of the aperture effect underlines that next to nothing is ideal. An aperture…