When you (they” say ScriptSync files, does this mean they will line the transcript/script using ScriptSync and send you the .avs and media for your Media Composer? If so, you will see two lines for each portion of dialog where one is English and should be protected by brackets [ ] so that ScriptSync ignores it, and there will be the original French. So for any given line you will have:
[How are ya? Are you going to the movies with me tonight?]
Ça va? Tu viens au cinéma avec moi ce soir?
Clicking on any line will take you to the first word in that line in the clip. It is not word based, but line based. If you want more granularity, you need to make shorted lines. For the above it would look like:
[How are ya?]
Ça va?
[Are you going to the movies]
Tu viens au cinéma]
[with me tonight?]
avec moi ce soir?
But cutting into a sentence may have different results due to the difference in grammatical structure. The french line could have been: “tu viens avec moi au cinema ce soir?” and have the basic same English translation. That’s where knowing the language helps where cutting on words, reactions, and intent of meaning may make a difference in the pace and rhythm.
On a related note, a friend of mine who I helped with a similar project wrote on article on editing in a foreign language for the Editor’s Guild Magazine and can be read online here:
Lost in Translation No More: Or How I Learned to Stop Worrying and Love ScriptSync
by Debbie Berman
https://www.editorsguild.com/magazine.cfm?ArticleID=1049
Michael