Download Speech SDK 5.1 from Official Microsoft Download Center

Hands type on a Surface Pro 6 with Type Cover

New Surface Pro 6

Stand out from the ordinary

Speech SDK 5.1

Important! Selecting a language below will dynamically change the complete page content to that language.

Language:
English
The Microsoft Speech SDK 5.1 adds Automation support to the features of the previous version of the Speech SDK. You can now use the Win32 Speech API (SAPI) to develop speech applications with Visual Basic ®, ECMAScript and other Automation languages.