Introducing SAPI 5.3

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Vista (a.k.a. Longhorn) has a new version of SAPI: 5.3.

SAPI 5.3 is an incremental update to SAPI 5.1. The core mission and architecture are unchanged across all 5.x releases. Among a variety of tweaks, SAPI 5.3 has these overall improvements:

  • Support for W3C grammar and TTS formats (SRGS and SSML, as well as support for one of the SML drafts)
  • Support for semantic interpretation script within grammars.
  • Performance improvements.
  • An overall scrub for quality and security.

The Vista beta 1 docs have an early draft of the documentation:  https://windowssdk.msdn.microsoft.com/library/default.asp?url=/library/en-us/SAPI53/html/Welcome.asp