专业语音芯片ISD4004语音录放程序，内容丰富，不可错过-Professional voice chip ISD4004 voice recording procedures, rich in content, not to be missed

ISD4004语音录放控制芯片，文件里有源码和硬件电路，可以少花时间完成新产品的设计。希望对你有所帮助。-ISD4004 voice recording control chip, a source file and the hardware circuitry, can spend less time to complete the new product design. I hope for your help.