Voice Recorder in Visual Basic .NET

In this blog you will learn how to record from a microphone and save it on your computer in Visual Basic .NET.

Create a new form and add 3 button to your form and Rename the buttons as the following: Record, Save and Play as shown below:

 

 

Go to the code page and add the following declaration: 

Private Declare Function record Lib "winmm.dll" Alias "mciSendStringA" (ByVal lpstrCommand As String, ByVal lpstrReturnString As String, ByVal uReturnLength As Integer, ByVal hwndCallback As Integer) As Integer

Record Button Code

Private Sub Record_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
    record("open new Type waveaudio Alias recsound", "", 0, 0)
    record("record recsound", "", 0, 0)
End Sub

Stop and Save Button Code

Private Sub Stop_and_Save_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
    record("save recsound D:\Manish\mbp.wav", "", 0, 0)
    record("close recsound", "", 0, 0)
End Sub

Play Button Code

Private Sub Play_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
    My.Computer.Audio.Play("D:\Manish\mbp.wav", AudioPlayMode.Background)
End Sub