Foreign film in original language with subtitles — no dubbing. Preserves actor performance and timing; cinephile standard.
You know the problem: A French or Italian film comes to the cinema, and the question immediately arises – subtitles or dubbing? Showing the original version with subtitles means leaving the film as the director shot it. No new voices, no dialogue adjusted for time, no lip-sync compromises. This sounds simple, but it's a different game craft-wise and economically than the dubbed version.
You don't notice this on set – the problems arise later. The sound designer and later the editor have to work with the original audio, and any blurriness in the recording, any breath sound, any off-screen audio remains audible. With dubbing, such weaknesses could be mixed out. With subtitles, you have to treat the audio track as artistic substance. This demands the highest standards from your sound engineers – and from you as DoP, a clear visual expressiveness, because the eyes have to do more when the ears don't explain everything.
In practice, original version with subtitles also means: you need mastering with stable volume and clean acoustics. Nobody wants to struggle through the first half of the film with subtitles because the original audio is too thin. At the same time, there's added cultural value – for some viewers, it's precisely the actor's voice that defines the character. Marcello Mastroianni sounds different from his German dub. Every cinephile knows that. So, you protect the artistic integrity of the film when you deliver the subtitled version with high technical quality.
When editing, you have to ensure your cut points are clean – with dubbed material, small noise jumps or audio drops can be more easily concealed because a new audio track is laid over everything anyway. With original audio, every edit is exposed. The same applies to color correction and grading – the image quality must be consistent, as nothing else distracts perception. In short: original version with subtitles is the more demanding format. It forgives less, but in return, it demands more respect for the original material.