PCM code and decode system use LSIC called TP3067 as its Codec,DTMF signals receiving uses the chip of MT8870.是什么意思_PCM code and decode system use LSIC called TP3067 as its Codec,DTMF signals receiving uses the chip of MT8870.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句