guaranteed audioItems to have length either from the server, or retrieve it from the loading of the file, the unit of mediaItem's length is FPS, adjusted the math for supplying length in frames Co-authored-by: wil <wil@storyteller.ai>
guaranteed audioItems to have length either from the server, or retrieve it from the loading of the file, the unit of mediaItem's length is FPS, adjusted the math for supplying length in frames Co-authored-by: wil <wil@storyteller.ai>