First Assistant Sound (Boom Operator)

The First Assistant Sound is the boom operator — the on-set role positioning a microphone on a boom pole to capture dialogue. Operates in direct coordination with the Production Sound Mixer.

What the role does

• Operates the boom pole during takes — positioning the microphone for optimal dialogue capture without entering frame
• Coordinates with the Production Sound Mixer on mic choice + positioning approach
• Manages boom + mic cabling on set
• Coordinates with camera + lighting on boom-shadow avoidance
• Supports radio mic placement on cast

Position

Reports to Production Sound Mixer. Works closely with the camera department to avoid boom shadows.

Career progression

SI Competency Framework Level 4 — Expert. Path: Sound Trainee → Second Assistant Sound → First Assistant Sound → Production Sound Mixer.

Working pattern + guild

Freelance, shoot-heavy. Sector representation via SGI Sound recognition.