20 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
Reverberant sound field
Consumer electronics; Home theatre system
A speaker system in which a significant amount, perhaps most, of the sound that you hear is coming from reflections from surfaces within the listening space rather that directly from the ...
Octave
Consumer electronics; Home theatre system
A range of frequencies of some form of repetitive wave, where the highest frequency is precisely twice the lowest frequency. In music, for example, the fundamental frequency of A below Middle C is ...
Loudness control
Consumer electronics; Home theatre system
A sad, sad circuit on a preamplifier that boosts the bass and, to a lesser extent, the treble of an audio signal. The idea was to overcome the reduced sensitivity of the ear to bass and treble at low ...
Metadata
Consumer electronics; Home theatre system
A set of 'flags', or predefined digital bits, carried in a Dolby Digital bitstream that provide instructions to the decoder. They do not carry actual audio data, but guide the decoder in the ...
Fast fourier transform (FFT)
Consumer electronics; Home theatre system
A set of mathematical techniques for deriving an close approximation of the Fourier series for a real-world signal so that processing can be performed upon it. FFT is, with suitable hardware, ...
Square wave
Consumer electronics; Home theatre system
A signal, the shape of which when displayed is, well, square. In other words, it holds to a negative value for a time equal to half the wave's period, then switches abruptly to a positive value which ...
Stylus
Consumer electronics; Home theatre system
A small diamond on the end of a cartridge's cantilever. This sits within the groove of an LP and picks up the vibrations recorded therein. The stylus is generally spherical or elliptical in shape, ...
