Which of the following is a common mix down technique in Pro Tools?

The selection of "Bounce to Disk" as a common mix down technique in Pro Tools is correct because this function is specifically designed for finalizing a mix. When you bounce to disk, you're creating a stereo audio file of the mixed track, combining all the elements, effects, panning, and automation into a single audio file. This is essential for producing the final version of a project, allowing it to be exported for distribution, sharing, or further processing.

This process ensures that all audio elements are rendered accurately, making it one of the most used techniques in the production workflow when preparing a project for release. The functionality not only allows for different audio formats and bit rates but also offers options for selecting specific outputs, which is critical in achieving the desired sound and quality.

Other options, while related to workflow in Pro Tools, do not serve the same purpose in the context of mix downs. For example, "Exporting to iTunes" is not a mixing process; it pertains to distributing completed tracks. "Consolidating Tracks" can be useful for organizing your session but does not create a final mixed file. "Midi Rendering" is about converting MIDI data into audio, which is a different process from mixing down an entire session.