Text reading and voice reproducing apparatus; printed matter-voice conversion output devices for the visually impaired that scans various printouts, converts scanned types into voices, and transmits them to the visually impaired as sounds; video-voice conversion output devices for the visually impaired that converts the text contained in the video displayed on the display and screen devices into voice and transmits it to the visually impaired as sound; objects-voice conversion output devices for the visually impaired that scans objects such as letters, bills, etc., converts scanned objects into voices, and transmits them to the visually impaired as sounds; text reading voice conversion devices that converts text into voice and transmits it to the visually impaired as sound; portable braille information terminal for the visually impaired; face recognition devices; object recognition apparatus; image recognition processing apparatus that converts and provides recognized data into audio data through camera images; character recognition apparatus for the visually impaired; software for object recognition; software with text recognition and voice conversion; software for the visually impaired; software for emotion and facial expression recognition; data processing software in the field of artificial intelligence; mobile data communications apparatus for the visually impaired; wearable computers for the visually impaired