How is sound recorded on motion picture film?

The phrase "optical soundtrack" sounds like a contradiction in terms, but it's the secret to how sound is recorded on motion picture film.

AES E-Library » Feasibility of Digital Sound on Motion Picture Film

Everything You Need to Know About Recording Production Sound for Film

Sound on Film Historical Marker

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Sound film - Wikipedia

Movietone sound system - Wikipedia

The Bell System technical journal . ributorset and by means of switches any desired number of cameras, recordingmachines, or projectors may be employed. The projecting machinesare used in case it is

How Audience Testing Works

ISO 71:1977 - Cinematography — 16 mm negative photographic sound

When Movies Learned to Talk: A Brief History of Sound in Early Motion Pictures - CineMontage

The First Sound Film Was NOT The Jazz Singer

Épinglé par Phil Leclerc sur Music Inspiration

Eastman EXR 3378E Sound Recording Film — MONO NO AWARE

UNIMOVIES: Film Sound