Sync & reference audio · Working

2-pop

Also called: two pop

ELI5

A tiny beep used to check that sound and picture line up correctly.

Used in conversation

“Leave the 2-pop in so we can check sync before delivery.”

Definition

A one-frame audio tone placed two seconds before programme start or another sync point.

Here “2-pop” means: A one-frame audio tone placed two seconds before programme start or another sync point. Other meanings are stored as separate sense entries and must be chosen explicitly.

Pitch context

You may encounter “2-pop” in sound, music & voice conversations or materials.

Why it matters: Explains dialogue, effects, atmosphere, music, voice and the technical work of making them intelligible.

Connected terms

Sources & evidence · 4

Supporting source families. This entry is an editorial synthesis rather than a quotation from one canonical glossary.