#SW/FCPX-FinalCutPro10 *** > [!Info] Roles > In Final Cut Pro X, the Magnetic Timeline lacks distinct 'tacks' on which to edit. Instead, various types of elements are identified by 'Role'. This is how you identify what purpose an element serves. > - It is important to tag your clips with their appropriate roles in the Browser, before you edit them onto a timeline. > - Neglecting to assign Roles in the Browser prior to editing a clip onto the timeline may unnecessarily duplicate future labour. Editing a clip onto any given timeline represents another 'instance' of that clip. Assigning Roles and Metadata to a Browser clip help to ensure that all future instances of that clip inherit that assigned information > ## Create and Edit Library Role Types and Names > [!Checklist]- Create and Edit Library Role Types and Names > Some Roles are created automatically. However, it is useful to create a few custom roles, as follows. > > - [ ] Modify > Edit Roles... > - Media Tab - [[FCPX68 - Roles - Media 1.png]] > - Video Role > - [ ] ACAM - Camera Model > - [ ] BCAM - Camera Model > - [ ] TEXTLESS (New Custom Role) > - Audio Roles - [[FCPX68 - Roles - Media 2.png]] > - Dialogue Subrole > - iXML Track Names > - If your sound recording equipment supports iXML Track Names, they can be imported automatically as Roles via the [[Import Media]] window. > - [ ] GUIDETRACK (New Custom Subrole) > - [ ] MIX - ENG (New Custom Role) > - Captions Tab - [[FCPX68 - Roles - Captions.png]] > - [ ] SRT for Subtitles > - [ ] CEA-608 for Closed Captions ## Assign Roles to Clips in Browser > [!Checklist] Assign Roles to Clips in Browser > - [ ] Select Keyword Collection(s) to display desired Clips in Timeline > - [ ] Select All Clips within selected Keyword Collection(s) ⌘A > - [ ] Apply Video and Audio Roles as req'd with either method: > - Right-click Clip(s) > Assign Audio / Video Roles > Sel req'd Role > ![[FCPX68 - Browser Contextual Menu - Assign Video Roles.png]] > - Left-click Video/Audio Role field in either Role Column > Sel req'd Role > ![[FCPX68 - Browser - Role Assignment.png]] > - [ ] Scroll through selected clips in Browser to confirm Roles have been applied to clips as req'd > > > [!Warning] Gaps in Audio Roles > > Gaps in applicable Audio Roles likely signify clips recorded at off-speed frame rates. Such clips will interfere with automatic syncing as Multicam Clips, and should be flagged separately. > > - In the screenshot below, note the lack of applicable Audio Roles in the selected clips. These clips are MOS and lack Audio data, and therefore cannot be assigned an Audio Role. > > - Note also the disparity between the Video Frame Rate, ARRI Project FPS, and ARRI Sensor FPS fields. These clips were recorded at 60 FPS, and therefore lack real-time audio data. > > > > ![[FCPX68 - Browser - Distinguishing Off-Speed FPS Clips.png]]