AAC Midi Editor - Version 5.3.11 AAC Midi Editor - Apply different filters to the selected part of an audio file (Ban Pass Filter, High Pass Filter, High Shelf Filter, Low Pass Filter, Low Shelf Filter, Notch Filter). AAC Midi Editor is a visual multifunctional audio files editor for Microsoft Windows. It allows you to perform various operations with audio data such as displaying a waveform image of an audio file, filtering, applying.