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

Answer 1

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)