Sutron Xpert2, Operation And Maintenance Manual

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Bringing the Benefits of Real-Time Data Collection to the World
Sutron Corporation, Tel: 703-406-2800, http://www.sutron.com
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OVERVIEW
Xpert speech files are binary data files containing audio data in Rockwell 4-bit ADPCM 7200hz
mono format. These files are "headerless", meaning they have no information describing the
content of the file, just sample data. Users can create these files using one of several aftermarket
programs for the PC. One such program is "Vox Studio" by Xentec. This program allows the
user to record speech using a microphone connected to the PC, and save it in the appropriate
format (Rockwell 4-bit ADPCM 7200hz mono). The file can then be loaded into the Xpert using
Xterm (into the corresponding language subdirectory under \flash disk\speech\, e.g., English,
Spanish, etc.), and used by selecting it in a ComsTag dialog, just as you would any other speech
file. (Note: You will need to save the file with a unique name and with the extension ".vox" so
that the Xpert will display the file for selection).
The program "Vox Studio", by Xentec, is available for download at:
http://www.xentec.be/download/download.htm. Note: the unregistered version of this program
limits the length of files to 5 seconds. As of this writing, a fee of $399 is required to register,
which removes the limitation.
When using Vox Studio or any other editing program, Sutron recommends trimming off the
leading and trailing silence to help reduce the size of the file. We also recommend using the
normalize function to adjust the volume of the recorded phrase.