Which file formats are commonly used to exchange metadata in DAWs such as XML or AAF?

• A. XML and AAF.
• B. WAV.
• C. MP3.
• D. FLAC.

Answer: (A)

Understanding file formats designed to exchange metadata between DAWs is key here. XML and AAF are built to carry the project-level information that DAWs need to transfer when collaborating or moving work between systems. XML provides a structured, human-readable way to encode details like track structure, routing, plugin references, timing data, markers, and edit decisions. AAF acts as a more comprehensive container that can include media references along with metadata about edits, timelines, effects, and other session details, making it possible to reconstruct a project in another DAW.

In contrast, WAV, MP3, and FLAC are primarily about the audio data itself. They store the actual sound and, at best, basic metadata tags, but they aren’t designed to convey the full set of project metadata and session structure needed for seamless cross-DAW exchange. Therefore, the formats best suited for exchanging metadata are XML and AAF.