1. Executive Summary BinkSetVolume is a function supplied by the Bink multimedia SDK (developed by RAD Game Tools, now part of Epic Games). It controls the playback volume of audio streams embedded in Bink video files. Version 12 of the Bink SDK introduced several enhancements to the audio‑mixing pipeline, including improved volume scaling, per‑track ducking, and more granular control over hardware‑accelerated output.