TorTalk Mac is the TTS application if you prefer reading with complete control. Listen to every format of text in exactly your pace. Just like reading with your eyes. OCR and around 60 TTS voices in 20 languages are included.
OS X 10.8 Mountain Lion or newer.
Intel® Core™2 Duo processor or newer.
Hard drive: At least 1,5 GB available.
RAM: 2 GB or higher.