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C H A P T E R
5 :
W I D E
B A N D
A U D I O
Q U A L I T Y
T E S T I N G
5.6.1 Example 1: Online Monitoring
Assuming we have the reference and the test signal needing to be assessed in a
digital format, e.g. 48 kHz sampling rate, 16 bit resolution and stereo signals.
We connect the reference signal with the AES-EBU Input 1 and the test signal
with the AES-EBU Input 2.
To properly configure your interfaces refer to Chapter 4, where this process is
explained in detail.
Figure 5.32: The Input 1 dialog step of the Measurement Setup Wizard
Then we choose from the OPERA™ framework the menu option
Measurement|Algorithm Parameters ... the PEAQ algorithm and use the
"Algorithm Properties" button to select the basic version of PEAQ. After doing
so, click on the OK button and start the measurement.
In the first and second steps of the Measurement Setup Wizard, select the radio
button Sound Board and – if necessary - change the format settings to the ones
shown in Figure 5.32, by using the "Format" button. On systems equipped
with LynxONE boards, the format settings are also used to switch between
analog and digital inputs.
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