voice recorder/speech recognition?

I'm not sure you'd be able to do this without some kind of web browser plug-in. It
Try read something abot the Microsoft Speech API (http://msdn.microsoft.com/ru-ru/library/ee125663%28v=vs.85%29.aspx)
In general all versions of the API have been designed such that a software developer can write an application to perform speech recognition and synthesis by using a standard set of interfaces, accessible from a variety of programming languages. In addition, it is possible for a 3rd-party company to produce their own Speech Recognition and Text-To-Speech engines or adapt existing engines to work with SAPI. In principle, as long as these engines conform to the defined interfaces they can be used instead of the Microsoft-supplied engines.

In general the Speech API is a freely redistributable component which can be shipped with any Windows application that wishes to use speech technology. Many versions (although not all) of the speech recognition and synthesis engines are also freely redistributable.

I think you will good for you, to look at the following links:
http://www.codemag.com/Article/0511041[^]
http://www.spectronicsinoz.com/article/universal-access-to-text-using-speech-recognition[^]
http://elegantcode.com/2010/03/07/text-to-speech-in-silverlight-using-wcf/[^]

Good luck Mr.VJ

Refer: Speech Recognition for the Web[^]

I need a similar solution... I'm testing this solution right now: How to implement voice recognition in C# using speech-to-text[^] The next option will be the MS library offered by King Fisher.