High-Quality Text-To-Speech engine for personal use [closed]

Answer 1

You can download better quality voices for festival than the ones shipped with it:

These seem to be the ones with the highest quality right now:
HMM-based Speech Synthesis System (HTS)

These seem to be ok too:
The MBROLA Project

Source: HOWTO: Make festival TTS use better voices (MBROLA / CMU / HTS)

Answer 2

AT&T has a product called Natural Voices. I think that is sounds amazing compared with all of the other products out there. I'm not sure about pricing though.

http://www2.research.att.com/~ttsweb/tts/demo.php

Answer 3

If you are looking for indian accent based output, take a look http://www.indiantts.com

It seem to sound most human ,Indian dialects.They offer download mp3 option I think from text.

Answer 4

I've used AT&T Natural Voices, they seem to sound most human to me.

Answer 5

For personal use you could also use "TextAid" from ReadSpeaker. It is web based personal reader and uses Acapela voices. It also has a translation feature! http://www.readspeaker.com/readspeaker-textaid/

Answer 6

Purchase it from NextUp.com site:

NextUp.com sells the best, most natural-sounding Text to Speech voices with more than 20 languages and many accents available.

• "Natural Voices" from AT&T ($35.00)
• "Verbose" from NCH ($29.99)
• "TextAloud" from NextUp ($29.95)
• "RealSpeak" from Nuance/ScanSoft ($45.00)
• "Acapela" from Acapela Group ($35.00)
• "Cepstral" from Cepstral LLC ($29.99)

There are also:

• "CrazyTalk6 PRO" from Reallusion ($149.95)
• "IVONA Voices" from ivona ($45)
• "Dragon Premium" from Nuance ($199.99)
• "VoiceText" from NeoSpeech (about $74.95)
• "FonixTalk" from Fonix Speech (about $45.00)
• "NaturalReader" from NaturalSoft ($199.50)
• "Cerevoice" from Cereproc (about $36)