Powershell batch script to convert mpeg file to mp3

mpeg_to_mp3_convert.ps1

##############################
# Author: Taiwo Kareem
# 09/09/2018
# Script to convert between different audio file formats assuming ffmpeg exe is in Path environment variables
#########################

# HOW TO USE
# Create a new folder with the name of the old extension
# Place the new folder on your Desktop
# Change this next two lines for your preferred from and to format:
$AudioConvertionFormatFrom = 'mpeg';
$AudioConvertionFormatTo = 'mp3';

# That is all. Leave everything else below unchanged
# Your new files should be on the Desktop in the directory with the same name as 'AudioConvertionFormatTo'

$DesktopPath = [Environment]::GetFolderPath("Desktop");

$AudioConvertionFormatFromPath = $DesktopPath + '\\' + $AudioConvertionFormatFrom;
$NewFolderPath = $AudioConvertionFormatFromPath.replace('\\'+$AudioConvertionFormatFrom, '\\'+$AudioConvertionFormatTo);


echo "Getting fonts from path: '$AudioConvertionFormatFromPath'";

# Creating a new directory if not exist
if( -Not (Test-Path -Path $NewFolderPath ) )
{
    New-Item -ItemType directory -Path $NewFolderPath
}

foreach($File in $(Get-ChildItem -Path $AudioConvertionFormatFromPath).Name){
    if ($File.EndsWith(".mpeg")){
        $NewFileName = $File.replace('.mpeg', '.mp3');
        $OldFilePath = $AudioConvertionFormatFromPath + "\\" + $File;
        $NewFilePath = $NewFolderPath + "\\" + $NewFileName;

        ffmpeg -i "$OldFilePath" -vn -ar 44100 -ac 2 -ab 192k -f mp3 "$NewFilePath";

        echo "$NewFileName conversion complete";
    }
}

echo "ALL CONVERSION COMPLETE";