| ADR | Replacing the dialogue of a film or video in a studio, timed to the picture. |
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| Lip sync | Matching a recorded voice to the speaker's mouth movements. |
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| Scratch track | A provisional recording used to build the edit before the final voice. |
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| Take | One recorded attempt at a line. |
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| Pick-up | A line re-recorded after the main session to fix or change it. |
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| Stems | Separate audio groups, such as voice, music and effects, delivered apart so they can be remixed. |
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| Mix | The balanced combination of voice, music and effects. |
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| Alternate | A second version of a line or a section, recorded to choose from. |
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| Voice over | A voice heard over the picture, not from a speaker on screen. |
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| Dubbing | Replacing the original voices with voices in another language. |
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| Audio description | A narrated track that describes what is on screen for people who cannot see it. |
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