Layer audio overlapping on base in storyline 3 latest
After Updating to Storyline 3 to latest version 4: 3.4.15731.0, layer audio is overlapping to base at the time of seeks the seekbar. Already we have created lot of courses with calling the layers in middle of the slide based on timeline reaches. Now we are facing the layer is audio is overlaping to base audio issue. Due to this we are facing problems from the clients and users. Am attaching the both sample source file and published file. Please check it and help me to fix the issue as a priority.
Note: If any updates you are going to do means, please maintain the before functionalities as it is.