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
JBL
Manufacturing; Home theatre system
JBL is an American audio electronics company currently owned by Harman International. It was founded in 1946 by James Bullough Lansing. Their primary products are loudspeakers and associated ...
Damping factor
Consumer electronics; Home theatre system
A specification for power amplifiers which suggests the degree of control that the amplifier exercises over a connected loudspeaker. It is the ratio of the nominal impedance of the speaker (and is ...
Active subwoofer
Consumer electronics; Home theatre system
A subwoofer with built-in amplification. Most subwoofers are active, not passive.
A-weighting
Consumer electronics; Home theatre system
A system of adjusting signal to noise ratio measurements to take into account the differing sensitivity of the human ear to different frequencies. Thus an A-weighted signal to noise ratio more ...
Digital micromirror device (DMD)
Consumer electronics; Home theatre system
A technology available (until the patents run out, it seems) only from Texas Instruments. This is used in DLP projectors and controls the transmission of light by means of hundreds of thousands of ...
Digital light processor (DLP)
Consumer electronics; Home theatre system
A type of projector based on the DMD. Most DLP projectors use a single DMD, so to derive the three necessary colours they have a spinning wheel with colour philtre windows, carefully synchronised ...
Dialogue normalisation
Consumer electronics; Home theatre system
Frequently called 'dialnorm'. A metadata indication in a Dolby Digital bitstream of the volume level of the dialogue in an audio signal. Dolby Digital decoders can use this 'flag' to adjust the ...
