What is Lip-Sync?

Lip-sync is the process of creating a new script for a video, voicing it with different voice artists, then matching the new audio with the mouth’s movements of characters in the video. Lip-sync is a creative process which gives viewers a sense of authentic and immersive watching experience.

Lip-synced videos are a great choice if you want to appeal to more groups of international audiences, especially small children and those who can not read subtitles.

The Differences Between Lip-sync and Voice Replacement

CriteriaLip-syncVoice Replacement
Speaker dialogue

The original audio of a lip-synced video is muted while the whole script is re-written and voiced to sync to the lip movements of the speakers.

The original dialogues are also muted and replaced by their translation in a foreign language without matching the speakers’ mouth movements.


Lip-sync gives viewers an immersive experience as voice artists capture:

  • Dialogue
  • Laugh
  • Sigh
  • Giggle
  • Groan
  • Cough

In voice replacement, only dialogues are replaced with audio in a new language while sounds like giggle, cough, and laugh are mostly removed.

When to use?

Lip-sync should be used in movies, films or songs aiming to give viewers a seamless and immersive view experience.

Voice-over provides viewers with pretty good viewing experience at a cheaper price, suitable for tight-budget projects.

Our voice samples

Our Voices
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Types of Content We Support

Your videos are in good hands of our experienced voice talents who have a deep understanding of a specific field. We can cover a diversity of types of content, including:

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    Educational Materials

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    Film & TV shows

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    Audio Books

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    Video Games

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    How-to Videos

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    Podcasts & Webisodes

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    Apps & User Interfaces

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Our Lip-sync Process

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    Receive files and confirm details

    Our team checks the source video, your scripts, and requirements about voices (number of voices, gender, language, etc). After analyzing all related factors, rates and deadlines will be confirmed.
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    Prepare to do Lip-sync

    We allocate your project to the most suitable copywriters, voice talents, and technicians who will research the given video content before working on it.
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    Native check and rewrite your script

    Our experienced native copywriters will check and rewrite the script to make it suitable for your video in terms of duration, reading speech, and style. This step also makes it easier for voice talents to do lip-sync.
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    Record the script

    Our voice artists record the script in a well-equipped studio. The emotion and tonality of the original dialogue are maintained. The voice talents act and record their voices so that they match the lip movements of the original speakers.    
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    Mixing audio and video

    Our technical team works on the audio files to gain the best pre-mix sound quality. The audio is then mixed into the video and matches the original dialogue of the video
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    Lip-sync QA

    A quality control process is performed to eliminate all the sound issues and ensure the best-mixed product quality.
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    Export and deliver the final product

    We export the mixed files into your requested format and deliver the final product.