node.js - How to convert wav or mp3 to fft in Node js

Question

Please help me with this. I'm sitting with him for 3 days how to convert wav or mp3 to fft in Node.js on backend

bot.on('voice', (msg) => {
    bot.getFile(msg.voice.file_id).then((resp) => {
        bot.getFileLink(resp.file_id).then((e) => {

            let file = fs.createWriteStream(`voice/${resp.file_id}_${msg.chat.id}.mp3`);
            let request = https.get(e, function(response) {
                response.pipe(file);
            });
        });
    });
})

Answer 1

等待大神答复