IRs are applied when using convoluted reverb plugins (found in the effect racks of Adobe Audition or Pro Tools) to create authentic or natural reverb to audio added in post, such as foley, sound FX or ADR. Freesound –free & CC-licensed sound effects & foley, with a large online ...
Perhaps a star was attached during the development phase, but you're still going to have some parts to audition during the pre production process in film. There are a ton of great casting resources online now. To get you started, explore some of the best free casting websites here. So ...