Headset infra red communication system having speech digital code transformed and integrated processor passed with output signal battery power infra red system transmitting.

摘要

The speech to digital infra red signal converter has a coding unit (1) and integrated circuit (2) digitising speech inputs. The signals are applied to an infra red transmitter (3) with a voltage feed (4) battery powered (7). Infra red signals are also received and passed to a loudspeaker (5).