Extension/AudioGain.RoughDraft.Extension.ps1
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<# .Synopsis Increases audio volume .Description Increases audio volume, using the volume filter .Link https://ffmpeg.org/ffmpeg-filters.html#volume #> # It's an extension [Runtime.CompilerServices.Extension()] # that extends Edit-Media [Management.Automation.Cmdlet("Edit","Media")] # that is inherited (this is the default). [ComponentModel.Inheritance("Inherited")] param( # The audio gain, either in decibals (i.e. 12db) or as a ratio (i.e. 1.5) [Parameter(Mandatory)] [string] $AudioGain ) if ($AudioGain) { # If we're going to turn up the volume $filterParams += '-af' # use the [volume audiofilter](https://ffmpeg.org/ffmpeg-filters.html#volume) $filterParams += "`"volume=$($audioGain -ireplace 'db', 'dB')`"" } |