Both English and Japanese are available and the language can be switched in the game.
"CLANNAD" is a popular visual novel in the Japanese domestic market, having stunning graphics, moving sounds and a great story depicting bonds between people. It is now available in full HD containing the best resolution after being released as a part of the PlayStation® lineup. All music and some voice dialogues are supported with the 5.1 ch surround sound feature (switching to the original 2ch stereo mode is also available). You can further experience the overwhelming sound by connecting to a sound source supported by PS4™ as well.