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Analog Audio > Loudness measurements > Flashcards

Loudness measurements Flashcards

1
Q

DBV

A

1 Volt

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2
Q

DB

A

Log Unit to measure sound level

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3
Q

DBU

A

0.77 Volts

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4
Q

DBFS

A

Digital signals, max is 0

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5
Q

DBSPL

A

Loudness

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6
Q

DBW

A

1 watt

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7
Q

LUFS

A

Loudness units full scale
Used to measure loudness

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8
Q

Mic, instrument, line, and speaker level

A

Mic -70 dbv
Instrument -10 dbv
Consumer Line 0dbv
Line 0 dbv
Professional line +4dbu
Speaker +40 dbv

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9
Q

RMS VS VU METER

A

Root mean square - average levels more accurate to the signals electrical power

VU - instant level of sound intensity representing perceived loudness

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Analog Audio (9 decks)

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