Microsoft, Apple, Android and Google all produce free voice recognition software which is built into devices or can be downloaded.
Speaking your thoughts about a project can be a good way of brainstorming ideas for keywords or project structuring.
Our library search system Locate also supports voice recognition. Click on the microphone in the Locate search bar to do a verbal search.
Built into the Mac operating system, voice recognition allows you to dictate documents to your Mac using just your voice. You can also control the Mac with voice commands.
Go to system preferences > accessibility > dictation. You may need to open dictation preferences and set them initially.
For older Mac operating systems dictation controls can be found in System Preferences under the Dictation and Speech control panel. In macOS Sierra, dictation can be found in System Preferences - Keyboard - Dictation.
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You can speak to write and edit documents on Google Docs. It supports a large number of different languages. This facility is currently only available on your computer when using the Chrome browser, (although the Google Docs app for Android and iOS does have this facility too).
It also requires an internet connection and Google account.
Please note: your speech is sent to Google's servers in order to turn it into text. You can use the built-in microphone on your computer if you have one. A good headset microphone works best though, as it helps cut out any background noise.