Testing the Vocalizer installation

Use the following utilities to test the Vocalizer installation:

• Use nvscmdline to verify the installation. To run this command-line utility, see nvncmdline.

  This tool takes as input one text file or input text string and generates an audio file. By default it processes plain text with optional native Vocalizer markup and produces an 8 kHz µ-law audio file. It can also be configured to process SSML Speech Synthesis Markup Language. XML-based markup language for speech synthesis applications. Gives authors of synthesizable content a standard way to control aspects of speech output such as pronunciation, volume, pitch, rate, and so on across different synthesis-capable platforms. It is a recommendation of the W3C's voice-browser working group. and produce a 8 kHz µ-law audio file, or a 8 kHz or 22 kHz linear 16-bit PCM audio file.

• Use nvsload to measure Vocalizer performance and scalability. To run this command-line utility, see nvsload.

  The Vocalizer SDK contains a set of sample applications, including the nvsload performance test sample application. This tool can be used to measure Vocalizer performance for your specific system configuration. Typically, you specify the channel range for the test, the run duration, and possibly the log level. The runtime can take hours depending on the configuration.

  See Performance testing for a detailed explanation of this test application and the test methodology it implements.

• Use vocalizerdemo to evaluate the characteristics and quality of Vocalizer voices. This command-line utility is available on Windows only. Get the executable and instructions in the /Vocalizer for Enterprise/tools/Vocalizer Demo/ folder.

  Copy the demo to a new location before running. (Otherwise, you must have administration rights to run in the VOCALIZER_SDK path.)