Freeware

Requirements:

Windows XP / 7 / 8.1/10
Soundcard
Text-to-speech engine(s) installed

Where to get subtitles

http://www.subbiee.com
(subtitles catalogs search)

http://www.digital-digest.com/subtitles
(subtitles catalogs search)

http://www.subscene.com

http://www.opensubtitles.org

http://www.divxsubtitles.net

Where to get speech engines

High quality commercial voices:

Acapela Group

AT&T Natural Voices

Cepstral

CereProc

IVONA

NeoSpeech

Nuance

Average quality freeware voices:

Microsoft Text-to-Speech Engines
Mary, Mike, Sam and More (7.3MB)

L&H TruVoice TTS Engines
American English (0.99MB)
British English (2.54MB)
Dutch (2.58MB)
French (2.24MB)
German (2.18MB)
Italian (1.97MB)
Japanese (3.00MB)
Korean (3.03MB)
Portuguese (2.39MB)
Russian (2.85MB)
Spanish (2.36MB)