A subtitle that runs over the dialogue loses the viewer. A dubbed voice that does not match the character's emotion breaks immersion. A voiceover translated word-for-word without accounting for timing sounds wrong even when the words are correct. Multimedia localization is a creative discipline as much as a linguistic one.
For healthcare, compliance, and educational video content subject to regulatory requirements, Certifiably Human documentation confirms that qualified human linguists were responsible for the localization.
Dubbing replaces the original spoken audio with a recorded translation performed by voice artists in the target language, synchronized to match the timing and, where possible, the lip movement of the original speakers. Voiceover records a translated script that plays alongside or over the original audio without attempting lip synchronization. Dubbing is more immersive and appropriate for long-form content where the viewing experience is the priority. Voiceover is more cost-effective and works well for corporate communications, eLearning, explainer videos, and documentary-style content where the speaker's face is not the central visual focus.
Captioning is the foundation every subtitle translation is built on. A professional linguist watches your source media and creates a timed transcript: every word spoken, matched to the exact moment it appears on screen. This captioned file then becomes the template for all subtitle translations into other languages. Auto-generated captions from video platforms do not meet this standard; they lack proper segmentation, stylization for readability, and the application of your glossaries and terminology. A poorly captioned source produces poorly translated results in every
After subtitles, voiceover, or dubbing have been produced, the final edited video is reviewed by the translation team before publication. This review checks subtitle alignment and timing, readability and reading speed, accuracy of audio matching, and any embedded on-screen text within the final cut. Things that read correctly in a subtitle file do not always look or sound right in the final edited video. Post-production review is the last quality gate between your localized content and your audience.