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It is possible to also get a bad picture if the signal strength of the TV transmitter is too high. An attenuator inserted in the antenna lead-in wire may be used if the television receiver displays signs of overload in the RF front end. Strong out-of-band signals may also affect television reception and may require band-pass filters to reduce ...
On playback, the dynamic range is expanded by the same amount, causing the low-volume sounds to become low-volume again and vice versa. The combination of compression and re-expansion gives rise to the name companding. Companding is useful even outside the field of noise reduction; a cassette might have 40 decibels of dynamic range before the ...
Compression is used extensively in broadcasting to boost the perceived volume of sound while reducing the dynamic range of source audio. To avoid overmodulation, broadcasters in most countries have legal limits on instantaneous peak volume they may broadcast. Normally these limits are met by permanently inserted compression hardware in the on ...
HD Radio logo. HD Radio (HDR) [1] is a trademark for a so-called in-band on-channel (IBOC) digital radio broadcast technology. HD radio generally simulcasts an existing analog radio station in digital format with less noise and with additional text information.
For example, if your current TV is sitting on a stand, you'll need to make sure it's large enough — and solid enough to support the weight. (As noted above, an 85-inch TV can tip the scales at ...
It is often possible to reduce the noise by controlling the environment. Internal electronic noise of measurement systems can be reduced through the use of low-noise amplifiers. When the characteristics of the noise are known and are different from the signal, it is possible to use a filter to reduce the noise.
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