Powershell: Convert WAV's to MP3 Files

#script requires VLC to be installed
#does not like apostrophes in filename
#Bit rates range from 96 to 320 kilobytes per second (Kbps). Using a bit rate of 128 Kbps usually results in a sound quality equivalent to #what you'd hear on the radio. Many music sites and blogs urge people to use a bit rate of 160 Kbps or higher if they want the MP3 file to #have the same sound quality as a CD.

$outputExtension = ".mp3"
$bitrate = 320
$channels = 2

foreach($inputFile in get-childitem -recurse -Filter *.wav)
{
 $outputFileName = [System.IO.Path]::GetFileNameWithoutExtension($inputFile.FullName) + $outputExtension;
 $outputFileName = [System.IO.Path]::Combine($inputFile.DirectoryName, $outputFileName);

 $programFiles = ${env:ProgramFiles(x86)};
 if($programFiles -eq $null) { $programFiles = $env:ProgramFiles; }

 $processName = $programFiles + "\VideoLAN\VLC\vlc.exe"
 $processArgs = "-I dummy -vvv `"$($inputFile.FullName)`" --sout=#transcode{acodec=`"mp3`",ab=`"$bitrate`",`"channels=$channels`"}:standard{access=`"file`",mux=`"wav`",dst=`"$outputFileName`"} vlc://quit"

 start-process $processName $processArgs -wait
}