Products intended to support, train or replace a person's capacity to receive, send, produce and process information in different forms, including communicating by language, signs and symbols, receiving and producing messages, carrying on conversations an

Devices that record or deliver information in audio or visual formats and products that combine any of those functions. Included are, e.g. audio and video equipment, televisions, sound transmission systems, products that process audio or visual informatio

Devices for translating videotext into artificial speech and decoding spoken output to provide video captions. Excluded are speech recognition systems.