Agilent Technologies E6474A Manuel de service télécharger pdf (Page 32)

32 Agilent Mobile Voice MOS Test Application Getting Started Guide

2 Measuring Voice Quality

5 Enter a time- out period sufficient to cover the number of

defined iterations. Generally this is approximately 20

seconds per iteration.

6 Define a different work directory for each channel. Each

work directory will store the recorded speech and MOS

result file for the individual channel.

7 If necessary, change the line impedance settings. Select

the Options button to open the dialog box. Once set “Save

Settings” will allow you to use these settings for other

tests. Check with your local phone- line provider to verify

the line impedance used.

Figure 26 Setting the line impedance

8 Click START TEST.

NOTE

Each iteration will consist of a pair of downlink and uplink data point. The

estimated test time for each iteration is approximately one minute.

It is highly recommended that you use the default 20 secs time-out

between each measurement. This will allow the system to recover from

dropped call.

NOTE

Do not use a directory name with space.

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Agilent Technologies E6474A Manuel de service Page 32