Traditionally, web applications are accessed via a single mode interface; information is presented and captured with text. However, one can additionally use a voice browser to navigate the Internet. One can navigate or access 'hands free' Internet applications from anywhere; you are not restricted to the desktop or a portable computer. VoiceXML is a language for Internet telephony applications and is based on the XML language. VoiceXML can 'speech-enable' an existing web application to be used through a conversational interface, providing a more natural way of interaction between users and Internet applications.
Google Voice Search allows you to make a telephone call to Google with a search query and get the results on a web page. The purpose of this article is to briefly describe the user experience and investigate the usability implications of this tool.
Speech applications have come to be in demand with many applications, which can sound daunting to developers who have never before made provisions for speech. Don't put it off, though, believing that it means a massive rewriting of your current offerings. It is now possible to enhance current Web applications, or develop new ones, with the Voice Toolkit and Reusable Dialog Components. Learn to construct successful voice apps, and without a big learning curve.