Adding a sound dub or print master so that it can be reviewed or released?

• A. Key Frame
• B. Layback
• C. Jam synch
• D. Hard sound effect

Answer: (B)

The main idea here is transferring the final audio onto the release medium so it can be reviewed or distributed. This step, known as layback, is the process of laying back the final edited and mixed sound onto the film print master (or its digital equivalent) so the audio is precisely synchronized with the picture and ready for screening or duplication. Layback ensures the final mix is printed in the correct format and timing for reviewers and for the release prints, making it the essential bridge between finishing the mix and delivering the final product.

Why this term fits best: it specifically describes taking the completed sound work and embedding it onto the master that will be used for review copies or distribution, guaranteeing proper synchronization and playback compatibility. The other terms refer to different ideas: a key frame marks a point in editing or effects changes, jam synch is about synchronizing equipment during recording, and a hard sound effect is a type of audio content, not the process of preparing the release master.