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MPX filter, the Glossary

MPX filter is a function found in analogue stereo FM broadcasting and personal monitor equipment, FM tuners and cassette decks.^[1]

30 relations: Aliasing, Audio frequency, Band-stop filter, Baseband, Cassette deck, Compact disc, Decibel, Dolby noise-reduction system, Emphasis (telecommunications), Equalization (audio), Federal Communications Commission, FM broadcasting, Focal Press, General Electric, Intermodulation, Low-pass filter, Modulation, Monaural sound, Multiplexing, Noise reduction, Nyquist frequency, Panning (audio), Phase (waves), Pilot signal, Recording studio, Sideband, Sine wave, Tape bias, Tuner (radio), Zenith Electronics.
Wireless tuning and filtering

Aliasing

In signal processing and related disciplines, aliasing is the overlapping of frequency components resulting from a sample rate below the Nyquist rate.

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Audio frequency

An audio frequency or audible frequency (AF) is a periodic vibration whose frequency is audible to the average human.

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In signal processing, a band-stop filter or band-rejection filter is a filter that passes most frequencies unaltered, but attenuates those in a specific range to very low levels. MPX filter and band-stop filter are Linear filters.

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Baseband

In telecommunications and signal processing, baseband is the range of frequencies occupied by a signal that has not been modulated to higher frequencies.

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Cassette deck

A cassette deck is a type of tape machine for playing and recording audio cassettes that does not have a built-in power amplifier or speakers, and serves primarily as a transport.

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Compact disc

The compact disc (CD) is a digital optical disc data storage format that was codeveloped by Philips and Sony to store and play digital audio recordings.

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Decibel

The decibel (symbol: dB) is a relative unit of measurement equal to one tenth of a bel (B).

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Dolby noise-reduction system

A Dolby noise-reduction system, or Dolby NR, is one of a series of noise reduction systems developed by Dolby Laboratories for use in analog audio tape recording.

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Emphasis (telecommunications)

In signal processing, pre-emphasis is a technique to protect against anticipated noise and loss.

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Equalization (audio)

Equalization, or simply EQ, in sound recording and reproduction is the process of adjusting the volume of different frequency bands within an audio signal. MPX filter and Equalization (audio) are Linear filters.

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Federal Communications Commission

The Federal Communications Commission (FCC) is an independent agency of the United States government that regulates communications by radio, television, wire, satellite, and cable across the United States.

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FM broadcasting

FM broadcasting is a method of radio broadcasting that uses frequency modulation (FM) of the radio broadcast carrier wave.

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Focal Press

Focal Press is a publisher of creative and applied media books and it is an imprint of Routledge/Taylor & Francis.

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General Electric

General Electric Company (GE) was an American multinational conglomerate founded in 1892, incorporated in the state of New York and headquartered in Boston.

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Intermodulation

Intermodulation (IM) or intermodulation distortion (IMD) is the amplitude modulation of signals containing two or more different frequencies, caused by nonlinearities or time variance in a system.

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Low-pass filter

A low-pass filter is a filter that passes signals with a frequency lower than a selected cutoff frequency and attenuates signals with frequencies higher than the cutoff frequency. MPX filter and low-pass filter are Linear filters.

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Modulation

In electronics and telecommunications, modulation is the process of varying one or more properties of a periodic waveform, called the carrier signal, with a separate signal called the modulation signal that typically contains information to be transmitted.

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Monaural sound

Monaural sound or monophonic sound (often shortened to mono) is sound intended to be heard as if it were emanating from one position.

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Multiplexing

In telecommunications and computer networking, multiplexing (sometimes contracted to muxing) is a method by which multiple analog or digital signals are combined into one signal over a shared medium.

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Noise reduction

Noise reduction is the process of removing noise from a signal.

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Nyquist frequency

In signal processing, the Nyquist frequency (or folding frequency), named after Harry Nyquist, is a characteristic of a sampler, which converts a continuous function or signal into a discrete sequence.

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Panning (audio)

Panning is the distribution of an audio signal (either monaural or stereophonic pairs) into a new stereo or multi-channel sound field determined by a pan control setting.

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Phase (waves)

In physics and mathematics, the phase (symbol φ or ϕ) of a wave or other periodic function F of some real variable t (such as time) is an angle-like quantity representing the fraction of the cycle covered up to t. It is expressed in such a scale that it varies by one full turn as the variable t goes through each period (and F(t) goes through each complete cycle).

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Pilot signal

In telecommunications, a pilot signal is a signal, usually a single frequency, transmitted over a communications system for supervisory, control, equalization, continuity, synchronization, or reference purposes.

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Recording studio

A recording studio is a specialized facility for recording and mixing of instrumental or vocal musical performances, spoken words, and other sounds.

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Sideband

In radio communications, a sideband is a band of frequencies higher than or lower than the carrier frequency, that are the result of the modulation process.

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Sine wave

A sine wave, sinusoidal wave, or sinusoid (symbol: ∿) is a periodic wave whose waveform (shape) is the trigonometric sine function.

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Tape bias

Tape bias is the term for two techniques, AC bias and DC bias, that improve the fidelity of analogue tape recorders.

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Tuner (radio)

A tuner is a subsystem that receives radio frequency (RF) transmissions, such as FM broadcasting, and converts the selected carrier frequency and its associated bandwidth into a fixed frequency that is suitable for further processing, usually because a lower frequency is used on the output. MPX filter and tuner (radio) are Wireless tuning and filtering.

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Zenith Electronics

Zenith Electronics, LLC, is an American research and development company that develops ATSC and digital rights management technologies.

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References

[1] https://en.wikipedia.org/wiki/MPX_filter