audio communication device

基本解釋

The present invention discloses a transmitting device based on ultrasonic communication, which includes information modulate unit and audio- sound wave launcher heard by human ear;
本發(fā)明公開了一種基于超聲波實(shí)現(xiàn)通訊的發(fā)送裝置，該發(fā)送裝置包括信息調(diào)制單元和可發(fā)出人耳能聽到的音頻聲波的發(fā)射器；
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With the In-System programmable technology and Complex Programmable Logic Device (CPLD), the realization of multiplexing and demultiplexing in the digital audio communication system is discussed.
介紹了在數(shù)字語音通信中，利用在系統(tǒng)可編程技術(shù)和復(fù)雜可編程邏輯器件CPLD，實(shí)現(xiàn)了數(shù)字語音的復(fù)接和分接；