Frame-accurate timecode references linking original audio files to picture sequences, exported as XML/EDL for editorial sync.
A Sync Map contains frame-accurate timecode references (SMPTE 12M standard) and links original audio BWF files with corresponding picture sequences via shared metadata. Modern systems utilize Tentacle Sync generators (±0.1ppm accuracy) or PluralEyes algorithms, which perform waveform matching with a 48kHz sampling rate. The map files are exported as XML or EDL (Edit Decision List) and additionally contain drift correction data for cameras without Genlock synchronization.
The first computer-based sync technology was developed by Avid in 1989 with the Media Composer, which replaced manual clapper synchronization through waveform analysis. In 2006, Singular Software revolutionized automatic synchronization with PluralEyes through audio fingerprinting. Red Giant acquired the technology in 2013, while concurrently, Tentacle Sync introduced hardware-based solutions with Bluetooth networking in 2014. Since 2019, AI-based systems like DaVinci Resolve's Auto Sync have enabled 95% hit rates even with poor audio quality.
On "1917" (2019), Roger Deakins' team synchronized over 2,000 takes from 47 different cameras using a master sync map that linked all Steadicam and drone footage with frame accuracy. Multi-camera productions like "The Crown" use up to 12 cameras simultaneously daily, with sync maps automatically generated from embedded timecodes. Documentary workflows utilize proxy sync maps at 1/4 resolution for quick pre-editing before the final 4K masters are synchronized.
Sync Maps differ from simple EDLs through bidirectional references and drift compensation. Timecode synchronization requires hardware Genlock, while audio sync maps also work with consumer cameras without timecode. Adobe Premiere Pro's Auto-Sync operates on a project basis, while Final Cut Pro X creates permanent compound clips. For live productions, hardware Genlock systems like the Blackmagic Sync Generator completely replace post-synchronization.
Ich achte darauf, dass alle meine Kameras denselben Timecode-Generator verwenden, idealerweise über Funk-Sync wie Tentacle, um der Postproduktion aufwändige Audio-Synchronisation zu ersparen. Bei Multi-Kamera-Setups ohne Genlock dokumentiere ich minutengenau alle Kamera-Starts, damit die Sync Maps später die natürliche Drift der internen Quarze kompensieren können.
Sync Maps ermöglichen mir in der Postproduktion spontane Schnitt-Experimente zwischen verschiedenen Kameraperspektiven, ohne dass ich auf die technische Synchronisation achten muss - besonders wertvoll bei emotionalen Szenen mit langen Takes. Die präzise Zuordnung gibt mir die Freiheit, auch Sekunden später aufgenommene Reaktionsshots nahtlos einzubauen, ohne Lippensync-Probleme zu riskieren.
Professionelle Sync-Workflows sparen mir bis zu 40% der Schnittzeit, da meine Editoren nicht mehr manuell synchronisieren müssen - bei einem 90-Minuten-Film entspricht das etwa 15.000 Euro eingesparter Schnittkosten. Allerdings investiere ich vorab in Timecode-Hardware (ca. 3.000 Euro für ein 6-Kamera-Setup) und plane täglich 30 Minuten zusätzlich für die Sync-Vorbereitung am Set ein.
1. Was beschreibt „Synchronisierung" am besten?
2. Zu welchem Department gehört „Synchronisierung"?
3. Wie viele verschiedene Fachperspektiven bietet dieser Eintrag?
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