With the program you distort voices in form of wav files. You can change pitch and speed of the voice. Play voices/songs in a way you can't imagine.

• Text-to-Speech Master 2.3.6
  Text-to-Speech Master is very powerful and interesting program that lets you listen to documents, e-mails or web pages instead of reading on screen or even convert them to audio...

• Funny Voice 1.3
  Funny Voice changes the pitch of your voice

• TextAloud 3.00
  TextAloud is the leading text to speech program, available with exciting premium voices (including several languages) from ATT Natural Voices, Acapela Group, and Nuance for the best in computer speech for your PC. TextAloud uses voice synthesis to...

• TextAloud Platinum 3.268
  TextAloud is the leading text to speech program, available with exciting premium voices (including several languages) from ATT Natural Voices, Cepstral and NeoSpeech for the best in computer speech for your PC

• CoolSpeaking 2.
  Just imagine having e-mails, eBooks, and web pages read aloud to you. CoolSpeaking is a utility that can do that for you! You can listen immediately by copy text to clipboard, or convert to .wav file to hear later at your convenience. The converting can be in 40 different voices and 11 languages. One major feature of CoolSpeaking is Real-time...

• TextAloud with RealSpeak TTS Voices 2.195
  TextAloud converts any text into spoken words using Nuance (formerly ScanSoft) RealSpeak SAPI5 TTS Voices, Cepstral and NeoSpeech for the best in computer speech for your PC