Title:
Review of methods for evaluating synthetic speech.
Author:
Heather Cryer, Sarah Home.
Publisher:
RNIB Centre for Accessible Information.
Year of publication:
2010.
Background
This paper highlights the different approaches to synthetic voice evaluation, exploring the different purposes of evaluation, advantages and disadvantages of particular methods and the complexities involved.
Key findings
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Objective/acoustic measures are largely used by developers of synthetic voices to identify where problem areas lie
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User testing is carried out by people developing products or services with synthetic speech, to see whether users like the voice and how well they understand it
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Feature comparisons are used by people trying to choose the right voice for a particular application, to see whether it has the functionality they require
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