Speech synthesis is the artificial production of human speech. A computer system used for this purpose is called a speech synthesizer, and can be implemented in software or hardware products. A text-to-speech (TTS) system converts normal language text into speech; other systems render symbolic linguistic representations like phonetic transcriptions into speech.

Technology Access, Inc.

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Technology Access, Inc is a provider of speech generating devices, computer access devices and handwriting assistance software used to help individuals in overcoming their speech, computer access and handwriting challenges. Clients with diagnosis like stroke, CP, ALS, TBI, spinal cord injury and autism can all benefit from intervention and assistance using these products. The Technology Access, Inc mission is to enable people to access their world whether it be through communication and computer access with high level technology or through low-tech methods and devices.

Text reader

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Optical character recognition (OCR) is the mechanical or electronic conversion of images of typewritten or printed text into machine-encoded text. It is widely used as a form of data entry from printed paper data records, whether passport documents, invoices, bank statement, receipts, business card, mail, or other documents.

Text-to-speech

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Speech synthesis is the artificial production of human speech. A computer system used for this purpose is called a speech synthesizer, and can be implemented in software or hardware products. A text-to-speech (TTS) system converts normal language text into speech; other systems render symbolic linguistic representations like phonetic transcriptions into speech.

Source: Wikipedia