Vb.net WAV录制 - 背景噪音 [英] Vb.net WAV recording - background noise

问题描述

您好。我正在vb.net应用程序中录制WAV音频片段。除了嘶嘶声的背景噪音外，一切似乎都能正常工作。我在Audacity上试过这个，声音很完美。有没有办法过滤掉这个？或者，有没有更好的方法来记录WAV？



谢谢

John

 Dim i As Integer 
i = mciSendString （打开新类型waveaudio alias capture，Nothing，0,0）
i = mciSendString（record capture，Nothing，0,0）
 txtStatus.Text =Recording
 btnStopRecording .Enabled = True 
 Me.Cursor = Cursors.Default 
 Catch ex As Exception 
 MessageBox.Show（ex.Message，AppName，MessageBoxButtons.OK，MessageBoxIcon.Information）
 AudioResponse （7）
结束尝试
 
 btnStopRecording.Enabled = True 
 End Sub 
 
 Private Sub btnStopRecording_Click（ByVal sender As System.Object，ByVal e As System.EventArgs）处理btnStopRecording.Click 
尝试
 Dim i As Integer 
i = mciSendString（save capture& CommonAudioPath，，0,0）
i = mciSendString（ close capture，Nothing，0,0）
 txtStatus.Text =Idle
 Catch ex As Exception 
 MessageBox.Show（ex.Message，AppName，MessageBoxButtons.OK，MessageBoxIcon.Error）
 AudioResponse（7）
结束尝试
 

我尝试过的事情：



我在没有找到解决方案的情况下搜索了互联网。我的音频知识相当渺茫。

解决方案

也许您需要设置其他参数，如采样率，请参阅：

音频录音机 - 选择录音设备 - VB.Net - 堆栈溢出 [ ^ ]

这是C＃中一个有趣的项目： PVS.AVPlayer - MCI录音机 [ ^ ]

Hi. I am recording WAV audio clips in a vb.net application. Everything seems to work fine with exception of a hissing background noise. I have tried this on Audacity and the sound was perfect. Is there any way of filtering this out? Or, is there a better way to record WAV?

Thanks
John

     Dim i As Integer
        i = mciSendString("open new type waveaudio alias capture", Nothing, 0, 0)
        i = mciSendString("record capture", Nothing, 0, 0)
        txtStatus.Text = "Recording"
        btnStopRecording.Enabled = True
        Me.Cursor = Cursors.Default
    Catch ex As Exception
        MessageBox.Show(ex.Message, AppName, MessageBoxButtons.OK, MessageBoxIcon.Information)
        AudioResponse(7)
    End Try

    btnStopRecording.Enabled = True
End Sub

Private Sub btnStopRecording_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnStopRecording.Click
     Try
        Dim i As Integer
        i = mciSendString("save capture " & CommonAudioPath, "", 0, 0)
        i = mciSendString("close capture", Nothing, 0, 0)
        txtStatus.Text = "Idle"
    Catch ex As Exception
        MessageBox.Show(ex.Message, AppName, MessageBoxButtons.OK, MessageBoxIcon.Error)
        AudioResponse(7)
    End Try

What I have tried:

I have searched the internet without finding a solution. My audio knowledge is pretty slim.

解决方案

Maybe you need to set additional parameters like the sample rate, see:
Audio Recorder - Select Recording Device - VB.Net - Stack Overflow[^]
Here is an interesting project in C#: PVS.AVPlayer - MCI Sound Recorder[^]

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