audio communication device

基本解释

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;
本發明公開了一種基於超聲波實現通訊的發送裝置，該發送裝置包括信息調制單元和可發出人耳能聽到的音頻聲波的發射器；
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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.
介紹了在數字語音通信中，利用在系統可編程技術和複襍可編程邏輯器件CPLD，實現了數字語音的複接和分接；