adding sounds to elements, pages, movements for more responsive interaction.
For example:
-able to upload audio file. (mp3, wav, flac)
-able to add audio effects plugins on uploaded audio file. (Volume, Panning, EQ, Filter, Delay, Reverb etc..)
-able to automate plugin's while page moving or clicked etc similar to animation)
_Websites below are great examples for audio and responsive design