Check If three is no voice input in the mic _Visual Basic 2010

[lokesh R]

HI

Hope you are doing well.

I have been working on voice recording programme.

It works and plays the sound as a recorder but I want to know how to check if there is a voice input coming on or not. I mean how to check if the user is still saying something or the user have no more to say. so that I can hit "enter " key for another procedure to run.


Below is my code

Public Class Form1

    Private Declare Function mciSendString Lib "winmm.dll" Alias "mciSendStringA" (ByVal lpstrCommand As String, _

                                                                                   ByVal lpstrReturnString As String, ByVal uReturnLength As Integer, _

                                                                                   ByVal hwndCallback As Integer) As Integer

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

        ' record from microphone

        mciSendString("open new Type waveaudio Alias recsound", "", 0, 0)

        mciSendString("record recsound", "", 0, 0)

    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click

        ' stop  and save

        mciSendString("save recsound c:\record.wav", "", 0, 0)

        mciSendString("close recsound", "", 0, 0)

    End Sub

    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click

        ' play audio

        My.Computer.Audio.Play("c:\record.wav", AudioPlayMode.Background)

    End Sub

End Class

please help me in it

[sapator]

If you would suggest that you need to get the volume from the system then it seems a little hard.
I have created a mixer control here that will get the mixer button but I don't think I check for the sound volume.
I get if you can get the sound control and check for the sound volume coming in (not the set get volume of the control itself but the sound coming in volume) maybe you can get something out.
https://www.vbforums.com/showthread....-mixer-control

Maybe there is an easier way with newer .net framework because this was written in 2010-2012, or maybe this is the only way.

[lokesh R]

If you would suggest that you need to get the volume from the system then it seems a little hard.
I have created a mixer control here that will get the mixer button but I don't think I check for the sound volume.
I get if you can get the sound control and check for the sound volume coming in (not the set get volume of the control itself but the sound coming in volume) maybe you can get something out.
https://www.vbforums.com/showthread....-mixer-control

Maybe there is an easier way with newer .net framework because this was written in 2010-2012, or maybe this is the only way.

okay , I will look into that - as per your suggestion I am thinking is there a way I can use the speech. recognoizer and then check from this class to when the sound is not comming -can you help me in that -so below is my code

imports speech
imports speech.recognitionEngine


'lets say code goes somthing like


dim user_voice as speech.recognizer

user_voice.recognizeAsync(mode.mltiple)

'the code which would need help in would something where it can check for no input

[sapator]

I haven't used speech namespace ever, sorry.
I haven't used it but how about using DirectX ? Maybe the Buffer.Volume Property?

https://docs.microsoft.com/en-us/pre...80955(v=vs.85)