Tri-Ergon sound-on-film patents
E1603523
UNEXPLORED
The Tri-Ergon sound-on-film patents were pioneering early 20th-century technologies that enabled synchronized audio to be recorded directly onto motion picture film, forming a key foundation for modern sound cinema.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tri-Ergon sound-on-film patents canonical | 1 |
Referenced by (1)
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