There is software that can convert your voice into text. This was originally designed to assist the handicapped community, but has also been used for convenience. By default, Windows provides in the Ease of Access section the ability to use voice recognition just by setting up a microphone and turning on the service. See the Resources section for further information on configuring and using this service. There are also a few good programs that you can download and install to use for this purpose. CNET has a nice list that comes complete with user and editor reviews.