Portable device for interactive communication in graphics mode, for use by those with speech impediments and/or severe hearing difficulties

摘要

This portable device for interactive communication includes a computer 11 linked by a low-frequency link 9, on the one hand to an amplifier circuit 19 linked to an acoustic coupler 22, to a loudspeaker 20 and to a microphone 21, and, on the other hand, to a voice-synthesis circuit 12, to a voice compression and analysis circuit 14, and to a voice-message storage memory 15. The computer 11 is also linked to the inputs/outputs of a multi-frequency signal transmitter-detector 16 and to the input of a modem 17 as well as to a data bus 10 itself linked to a graphics display 5, to a keyboard 6, to a time-stamping circuit 7 and to a wireless link circuit 8. Application to telephone and data communications systems. <IMAGE>