Sounds Programming, it is supported well first if you are on windows.

 "Do not doubt!"
"All inclusion is like the below."

Very thanks to https://www.codeproject.com/articles/31356/c-mp3-sound-capturing-recording-component
.\MainForm.cs  Wed Apr 14 13:27:36 2021

 29 :using System;
 30 :using System.Collections.Generic;
 31 :using System.ComponentModel;
 32 :using System.Data;
 33 :using System.Drawing;
 34 :using System.Linq;
 35 :using System.Text;
 36 :using System.Windows.Forms;
 37 :using Istrib.Sound.Formats;
 38 :using System.IO;
 39 :
 40 :namespace Istrib.Sound.Example.WinForms
 41 :{
...
 49 :        private void Form1_Load(object sender, EventArgs e)
 50 :        {
 51 :			fileTxt.Text = Path.Combine(
 52 :				Environment.GetFolderPath(Environment.SpecialFolder.MyMusic), "Output.mp3");
 53 :
 54 :            LoadAvailableFormats(PcmSoundFormat.StandardFormats);
 55 :
 56 :            foreach (SoundCaptureDevice device in SoundCaptureDevice.AllAvailable)
 57 :            {
 58 :                devicesCmb.Items.Add(device);
 59 :            }
 60 :
 61 :            devicesCmb.SelectedIndex = 0;
 62 :
 63 :			mp3Rd_CheckedChanged(sender, e);
 64 :        }
...