According to Wikipedia Speech Synthesis isA computer system used for this purpose is called a speech synthesizer, and can be implemented in software or hardware products. A text-to-speech (TTS) system converts normal language text into speech; other systems render symbolic linguistic representations like phonetic transcriptions into speech.
Speech Synthesis for Windows PCEspeak is a windows app, this app turns your written document into voices. So you can hear your written documents.
With this app you open ant txt file and turn text into voices. You can also make your speech synthesis. This software ui is very good for newie. Espeak is totally free for everyone , so anyone can download this software.
Download Espeak for Windows
Speech Synthesis for AndroidSpeech Synthesis is also available for Android Mobiles. There are many apps available in google play for Speech Synthesis.
Download TTS Speech Synthesizer and Voice Text to Speech
You can do many more with this trick. If you got any problem contact me.