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12-6 STRATA CS ADMINISTRATOR MANUAL
BETA DOCUMENT - PRELIMINARY & CONFIDENTIAL
The American English .VAP and .VOX files are located in:
C:\Program Files\Strata CS Server\Vfiles\EN00
The American English .VAP file is called TVLEN00.VAP.
The recording process
To record a complete set of system prompts, you must do the following:
n Record the .VAP file.
n Build the indexed .VAP file.
n Record the .VOX files.
n Test the new prompts.
n Deploy the new prompts.
Recording system prompts professionally
If you choose to obtain professional recordings, you are responsible for:
n Choosing a voice vendor that is experienced in telephony recording.
n Evaluating samples of voice talent and selecting a voice
n Providing the appropriate files to the vendor in formats they can use
n Testing the new prompts for voice quality, usability, file-naming
accuracy, and indexing accuracy.
n Deploying the new prompts
Selecting a voice
The vendor will often provide you with 44kHz, full-bandwidth voice samples to
choose from. Ask your vendor to provide voice samples that have been
re-sampled to µ-law PCM Mono 8 kHz, the format used in Strata CS. This will
ensure that your selection is based on how the voice will actually sound when
used in your Strata CS system.
Keep in mind that high-pitched voices and high frequency sounds degrade more
as a result of this type of re-sampling, resulting in considerable change in higher
frequency sounds at telephony bandwidth.