User guide

Aries Reference Manual Section 3 – Admin Functions
Radio Systems Information Ltd. Page 59
4.2.6 Manage Audio Files
VQ testing can use different speech samples that can be different lengths or languages. It is possible to
upload new speech sample files to the server and these will then be downloaded to the probes when
starting a new VQ survey. Click on the ‘Manage Audio Files’ link to display the form below:
Figure 66: Manage audio files
The server can hold many different speech sample files that may then be selected for each probe. Click
on ‘Add File’ to upload a new speech sample file.
The native speech sample file format is 8000Hz PCM 16 bit wav however it is possible to upload speech
sample files in many different formats and the server will automatically convert them to the native format.
The result file size is limited to 1MB which is equivalent to 65secs length. In practice, a speech sample file
should be around 4 to 8 secs long.