民用航空通信语音识别回放系统设计

Design of Speech Recognition and Playback System for Radiotelephony Communication of Civil Aviation

民用航空地空通信是民航通信系统中重要技术,针对地空通信可靠性问题,设计了一种语音回放文字转化系统,以STC89C516单片机为主控核心,采用ISD4004语音芯片实现语音录放,通过LD3320芯片根据关键词播放相应的语句,实现语音的录制、选择播放以及文字显示功能。

Radiotelephony communication is an important technology in civil aviation communication system.Aiming at the communication quality problem caused by signal attenuation in radiotelephony communication,a speech playback and text conversion system is designed.STC89 C516 single chip microcomputer is used as the main control core,ISD4004 voice chip realizes speech recording and playback,LD3320 chip plays the corresponding speech record according to the keyword.The system realizes the functions of speech recording,selective playback and text display.