Tvlogic LVM-170A Bedienungsanleitung PDF herunterladen (Seite 52)

52 Multi Format LCD Monitor

● The purpose of loudness control in programme exchange, in order to be uniform for

dierent sources and programme types.

● It is based on an Leq measurement employing K-weighting, which is a dened by The

International Telecommunication Union: ITU BS.1770 (Leq:equivalent continuous sound

pressure level in dB)

[11] Loudness (LVM-170A)

8. Other Functions

- CH = Channel : stereo or 5.1 ch

- I = Integrated loudness : Average

loudness for program time

- S = Short-term loudness : 3 second

average loudness

- Smax = Short-term Maximum loudness

- M = Momentary loudness : 0.4 second

average loudness

- Mmax = Momentary Maximum loudness

- LRA = Loudness range : Variation in a

time-varying loudness

high = Loudness upper value

low = Loudness lower value

- Time = Time for measured

- Status = Running or Stand-by

Loudness info Loudness log

Long time log

Selectable time period

8m/16m/32m/1h/2h

Short time log

4sec

Loudness bar

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Tvlogic LVM-170A Bedienungsanleitung Seite 52