Video

Video

Industry: Entertainment

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Equivalent input noise

Entertainment; Video

Noise created by the input stage of an amplifier which appears in the output of the amplifier increased in level by the gain of the amp.

Erase adj.

Entertainment; Video

A control which adjusts the coupling of the bias oscillator to the erase head in a manner which purifies the oscillator’s waveform.

Erase field strength

Entertainment; Video

The minimum initial amplitude of a decreasing alternating field (normally applied in the longitudinal direction) required to reduce the output of a given recorded signal by a specified amount.

Erase head

Entertainment; Video

A device used to remove recorded signals from magnetic tape.

Erased noise

Entertainment; Video

The noise arising when reproducing a bulk-erased tape with the erase and record heads completely de-energized.

Entitlement control message (ECM)

Entertainment; Video

Conditional access information specifying control words or other stream-specific scrambling parameters.

Entitlement management message (EMM)

Entertainment; Video

Conditional access information specifying authorization level or services of specific decoders. An individual decoder or a group of decoders may be addressed.