Telephonic communications – Audio message storage – retrieval – or synthesis – Multilingual system or operation
Patent
1988-11-18
1991-01-29
Brown, Thomas W.
Telephonic communications
Audio message storage, retrieval, or synthesis
Multilingual system or operation
379 98, 379100, H04M 164, H04M 1100
Patent
active
049892320
ABSTRACT:
A digital signal processing device for processing signals in the audio-frequency band with using a digital input-output interface circuit, analog input-output interfaces as well as digital signal processing circuit for converting digital signals to analog signals and vice versa. A memory is used for storing various programs for processing MODEM functions, voice-coding/synthesizing and the like in the digital signal processor selectively employs either one of the MODEM function processing programs and the voice coding/synthesizing function program, both of which are stored in the memory in accordance with an external command.
Brown Thomas W.
Ricoh & Company, Ltd.
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