SAPI: Enabling Communications in Windows Applications

SAPI, Speech Application Programming Interface- API definition files: Microsoft Interface Definition
is an API which was developed by Microsoft toLanguage and as C or C++ header files
enable speech recognition and speech synthesis- Runtime components: sapi.dll, etc.
within the windows applications. It can be termed- Control Panel applet: to select and configure
as an interface that allows recognition anddefault speech recognizer and synthesizer
synthesis between web and software- Text-To-Speech engines in multiple languages
development applications and speech engines.- Speech Recognition engines in multiple languages
Extensively used in varied web applications such- Redistributable components to allow developers
as Microsoft Office, Microsoft Agent andto package the engines and runtime with their
Microsoft Speech Server, it enables affordableapplication code to produce a single installable
web development in India and enhances theapplication
development process.- Sample application code
SAPI: Historical overview- Sample engines: For implementations of the
The first SAPI version was released to servenecessary engine interfaces.
varied web & software developmentSAPI is compatible with Microsoft windows vistas/
processes in the year 1995. It was thenXP/ 2000/ millennium edition/ 98/ 90 and so on.
supported on Windows 95 and Windows NT 3.51.SAPI and speech engines have not only improved
This version was enabled with low-level directperformances of the software, but also have
speech recognition and direct text-to-speech APIs,added to their reliability factor.
which web applications could use to directlyThe web application development plans are
control engines, as well as simplified 'higher-level'further boosted by the speech engines calibrated
voice command and voice talk APIs. Since then,by SAPI, as they help in deploying a larger web
various SAPI versions have been developed in theservice network. Together, all versions of SAPI
internet world, which have enabled betterment ofmake a complete software development kit, a
communication in the software developmentnecessary toolkit to give your businesses the
processes. In most of the SAPI versions, followingneeded boom.
features have been predominant: