Creating Audio Files Using PowerShell

Article
1/17/2024

Requirement

To make a Self Help Audio Guide for custom made applications. Simple instructions needs to be saved as WAVE file in local disk.

Solution

Built a WPF application using VS 2010 and PowerShell Generated WAV file for text instructions

Summary

I have built an application using WPF and PowerShell to achieve this. My other WPF application have mandatory text box if user skipped and try to do other task audio alert will be initiated. (For Testing)

Disclaimer

This is not a solution but one of the useful trick in PowerShell which can be used in the below scenario Scenario 1: Learning usage of .NET assemblies in PowerShell Scenario 2: Building GUI for PS using WPF Scenario 3: Building some applications with voice output Scenario 4: Progress of the Script as Audio Output

Code

Add-Type -AssemblyName PresentationFramework

[xml]$xaml =
@"
<Window
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="Text To Voice" Height="202" Width="420" WindowStyle="ToolWindow" Background="White">
    <Grid>
        <Label Content="Convert Text to Voice" Height="28" HorizontalAlignment="Left" Margin="122,12,0,0" Name="label1" VerticalAlignment="Top" Foreground="Blue" FontWeight="Bold" />
        <Label Content="Your Text" Height="28" HorizontalAlignment="Left" Margin="12,46,0,0" Name="label2" VerticalAlignment="Top" FontWeight="Bold" Foreground="Blue" />
        <TextBox Height="23" HorizontalAlignment="Left" Margin="90,49,0,0" Name="textBox1" VerticalAlignment="Top" Width="283" Text="Just For Learning!!!" />
        <Button Content="Listen" Height="23" HorizontalAlignment="Left" Margin="90,91,0,0" Name="Listen" VerticalAlignment="Top" Width="75" />
        <Button Content="Close" Height="23" HorizontalAlignment="Left" Margin="195,91,0,0" Name="Close" VerticalAlignment="Top" Width="75" />
        <Button Content="Save" Height="23" HorizontalAlignment="Left" Margin="298,91,0,0" Name="Save" VerticalAlignment="Top" Width="75" />

    </Grid>
</Window>

"@

$speak =
{
Add-Type -AssemblyName System.Speech
$Synthesizer = New-Object -TypeName System.Speech.Synthesis.SpeechSynthesizer
$synthesizer.Rate = "-5"
$synthesizer.Speak($Textbox.Text)
}

$wavfile =
{
$path = "C:\Temp\texttowav.wav"
Add-Type -AssemblyName System.Speech
$synthesizer=New-Object -TypeName System.Speech.Synthesis.SpeechSynthesizer
$synthesizer.Rate = "-3"
$synthesizer.SetOutputToWaveFile($wav)
$synthesizer.Speak($Textbox.Text)
$synthesizer.SetOutputToDefaultAudioDevice()
Invoke-Item $wav
}

$reader=(New-Object System.Xml.XmlNodeReader $xaml)
$Window=[Windows.Markup.XamlReader]::Load( $reader )

$Textbox = $Window.Findname("textBox1")
$Listen = $Window.FindName("Listen")
$Save = $Window.FindName("Save")
$Close = $Window.FindName("Close")
$listen.Add_MouseEnter({$Window.Cursor = [System.Windows.Input.Cursors]::Hand})
$listen.Add_MouseLeave({$Window.Cursor = [System.Windows.Input.Cursors]::Arrow})
$Listen.add_Click($speak)
$Save.add_Click($wavfile)

$Close.Add_Click({$window.Close()})

$Window.ShowDialog() | Out-Null

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