What does sound mixing involve in Avid Media Composer?

Sound mixing in Avid Media Composer is specifically focused on the process of combining and adjusting multiple audio tracks to ensure they are balanced and clear. This involves not just layering different audio elements, such as dialogue, music, and sound effects, but also adjusting levels, equalization, and applying effects to enhance the overall sound quality and cohesion of the audio landscape in the project.

When sound mixing is done effectively, it ensures that all audio elements work together harmoniously and that no single track overpowers another, allowing the audience to experience a well-rounded sound profile that complements the visual story. This aspect is crucial in filmmaking and video production, where the auditory experience significantly contributes to the viewer's engagement and comprehension of the content.

The other choices address processes that are important in video editing or production but do not pertain to sound mixing. Compiling video clips, exporting projects, and importing external media are distinct functions that do not directly involve the manipulation of audio tracks.