Results The hospital broadcast system was built based on ISD4004 voice chip and infrared remote control.
结果：利用ISD4004语音芯片，构建了基于红外遥控的医院语音播报系统。
The paper presents the principle and realization of voice alarm composed of EX44B0 board integrating ARM microprocessor and the voice chip ZY1420A.
介绍了由集成ARM微处理器的EX44B0开发板和语音芯片ZY1420A组成的语音报警系统的原理与实现过程。
The paper presents the principle and realization of voice alarm composed of EX44B0 board integrating ARM microprocessor and the voice chip ZY1420A.
介绍了由集成ARM微处理器的EX44B0开发板和语音芯片ZY1420A组成的语音报警系统的原理与实现过程。
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