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Production Sound Mixer

Records production dialogue and sync sound; leads boom and assistants on UK film/TV.

Duties

• Read the call sheet and sides before arriving
• Maintain radio/set etiquette and H&S
• Hand over notes/kit status at wrap
• Record/mix on set
• Place mics with boom op
• Liaise with post sound
• Manage sound reports

Reports to

Director / Producer on deal; works to picture under 1st AD timing

Works with

Boom Operator, Sound Assistant, Script Supervisor, Camera, Costume/HMU (lavs), 1st AD

Career path

Sound Trainee → Sound Assistant → Boom Op → Mixer

Day to day

Scout noisy locations; plan lav vs boom; mix live; slate/metadata discipline; protect overlaps; note ISOs; deliver dailies sound to post.

Call times

Sound generally matches unit call; lav wiring can pull cast (and sound) earlier. Wild tracks and quiet windows often extend past picture wrap.

What to wear

Quiet blacks; soft-soled shoes; radio pouch; weather layers; avoid noisy nylon fabrics.

Tools & kit

Mixer bag/cart, recorders, lavs, boom poles (often kit hire package).

Tips

Confirm title, agreement, budget band, prep/wrap and kit fee on the deal memo before accepting. We never invent Bectu figures — check bectu.org.uk ratecards / your branch.

Software

• Sound Devices / Zaxcom ecosystems
• MovieSlate / WAV Wizard
• Izotope RX (post, paid)
• Descript (paid, for rough listens)
• Sound Devices / Zaxcom / Lectrosonics ecosystems
• Wave Agent / metadata tools
• MovieSlate where used
• Frame.io notes as issued

Bectu rate cards for this role are in the app.

Related roles

Boom Operator

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