16 Terms
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Home theatre system
Of or relating to private home entertainment set-ups that seek to reproduce the cinema going experience with the help of video and audio equipment.
Industry: Consumer electronics
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Home theatre system
Theile and small parameters
Consumer electronics; Home theatre system
Back in the 1960s the Australian engineer Neville Theile and American engineer Richard Small developed a method of modelling loudspeakers. This was groundbreaking work, allowing the bass performance ...
Keystone correction
Consumer electronics; Home theatre system
Creating an image that is trapezoid (keystone) in the opposite direction to counter a keystoned image caused because the projector is angled with respect to the screen. (i.e. one end of the image ...
Hertz
Consumer electronics; Home theatre system
Cycles per second – a measure of frequency. Young healthy humans can hear from around 20 Hertz to around 20,000. Frequencies lower than that can often be detected by other parts of the body.
Fourier
Consumer electronics; Home theatre system
Actually, Fourier analysis. Fourier found that every repeating signal could be expressed as the sum of some particular sine wave, called the fundamental frequency, plus its harmonics at various ...
Total harmonic distortion
Consumer electronics; Home theatre system
All the harmonic distortion components added together to give a useful, if imperfect, summary measure. The imperfection resides in the fact that, audibly, some of the harmonic components are worse ...
Hass effect
Consumer electronics; Home theatre system
Also known as the Precedence Effect. The human ears do not rely solely on different loudnesses to determine the direction from which a sound is coming; they also use timing. It is often the case that ...
Equalisation (EQ)
Consumer electronics; Home theatre system
An adjustment to the frequency response of some piece of equipment or process in order to achieve a desired outcome. It might be part of a standard process (eg. RIAA Equalization) designed to ...
