Speech API English Text To Speech Engine
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Speech API English Text To Speech Engine

The Speech API English Text To Speech Engine component contains a device driver that is responsible for the conversion of text into speech. This dynamic-link library (DLL) cannot be accessed directly by applications, but requires access through the Speech API (SAPI). This component provides the default support for English from Microsoft and includes at least one English voice. Generally, each language requires its own DLL and supporting files. In addition, at least one voice is required for each language before that language can be spoken. Manufacturers can provide languages in their own formats, or conform to the existing Microsoft model.


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