write STT.js

+const apiRequest = require('./apiRequest');
+const isBase64 = require('is-base64');
+//const Lame = require("node-lame").Lame;
+const fs = require("fs");
+//const Mp32Wav = require('mp3-to-wav')
+
+const apiReq = async ( clientData ) => {
+    fs.writeFileSync('./audio/audio_input.mp3', Buffer.from(clientData.audio.replace('data:audio/mp3; codecs=opus;base64,', ''), 'base64'));
+    const mp32Wav = new Mp32Wav('./audio/audio_input.mp3')
+    mp32Wav.saveForWav(Buffer.from(clientData.audio.replace('data:audio/mp3; codecs=opus;base64,', ''), 'base64'),'./audio/audio_input.wav',_,16000,1)
+    //let audiodata = fs.readFileSync('./audio/audio_input.mp3').toString('base64')
+    console.log(Buffer(clientData.audio,'base64'))
+
+    getSTT = await apiRequest.ETRI( "WiseASR/Recognition", { "language_code" : "korean", "audio" : audiodata } );
+
+    return { "text" : getSTT.return_object.recognized };
+}
+
+const STT = async ( req, res ) => { 
+    let clientData,
+        voiceTemp;
+
+    clientData = req.body.data
+    voiceTemp = await apiReq( clientData );
+
+    res.send( { "return_code" : 0, "return_data" : voiceTemp } );
+    res.status( 200 );
+};
+
+module.exports=STT;
\ No newline at end of file