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D*ap8 – Junger Audio D*AP8 Digital Audio Processor User Manual

Page 76

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D*AP8

74


Setup GUI – MEASUREMENT

In the top of the GUI you can read these metering data of a preselected source:

When you click on the little triangle
over here you will get a selection
of the measurement formats available:

This display also shows the duration
of the measurement. If the Speech Gate
is active for the Dialogue Intelligence™
algorithm, the numbers become yellowish
when the measurement has paused
because there is no speech detected for
the moment.

The other two buttons will control the measurement:
|| / /
x .



Setup GUI MEASUREMENT – Setup

Dialog Level (Dialnorm) Measurement:

Beside the ability to measure loudness by above standards, the MAP offers the feature to measure the
long-term A-weighted average level of dialogue within a presentation. A Dolby Digital / Digital plus
consumer decoder (e.g. a Set Top Box) will normalize the output level to -31dBFS by applying a shift
based on the Dialog Level parameter setting. The rule is: -31 - (dialog level value) = shift applied.

Example (dialog level measured = -23dB): -31 - (-23) = -8dB shift applied.


Loudness Measurement

Measurement

Follows AUDIO PROCESSOR

Mode

> Setup > Loudness Mode

Dialogue Level (Dialnorm) Measurement

Dialnorm

[L / R / C / L+R / L+R+C]

Measurement

Channel Select

Dialnorm

[ITU-BS.1770-1 / Leq(A)]

Measurement

Algorithm






Dialog Intelligence™

[OFF / Active]

Speech Gate

The Dialog Intelligence™ algorithm developed by
Dolby® Inc. searches for portions of the audio content where
speech is present. Such portions may trigger the loudness
measurement. If it is activated and no speech is detected, the
number display becomes yellowish.

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