Synchronous capture of dialogue, effects, atmosphere during shooting — separate from camera feed. Recording quality defines post workload.
Sound Recording
On set, sound recording operates according to a clear hierarchy: the sound mixer controls the entire recording, the boom operator positions the microphone, and the sound engineer monitors levels and technical parameters. This division of labor is not optional – it's the foundation for turning raw material into something usable later. The quality of the original recording determines 70 percent of how complex post-production will be. Perfectly recorded dialogue needs minimal post-processing; a noisy or clipped track forces you into expensive and frustrating salvage sessions later.
In practice, multiple recording sources are used in parallel. Wireless lavalier microphones capture dialogue with high directness and minimal room acoustics. The shotgun microphone on the boom additionally picks up spatial information and atmosphere. A separate wild track recorder documents ambient sounds and atmospheres without dialogue – this is invaluable later for editing and sound design. All tracks are routed to separate channels, usually on a digital recorder like the Sound Devices MixPre or Zaxcom systems. Synchronization with the camera is achieved via timecode or clapperboard marks; editing doesn't work without precise sync.
Practical pitfalls: High-frequency background noise – air conditioning, power line hum, nearby cars – is almost impossible to filter out later. Therefore, an experienced sound mixer checks the room acoustics before the first take, urges the set manager to maintain quiet, and positions microphones strategically. Wind during outdoor shoots is mitigated by wind protection (fur, foam) or by spatial distance. With sync sound on a moving camera, the boom operator must anticipate, not just react – this is a craft skill learned on set, not in courses.
Recording doesn't end with the cut – the sound mixer documents level recordings, creates spot lists, and hands over clean, synced, and organized raw files to post-production. Poor documentation leads to valuable time later spent searching. A good sound team is invisible: you only notice their work when it's missing. Conversely, a film with perfect sound is perceived as "professional" – even if the image quality or editing is mediocre.