What the Phonofilm Means

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Production countries: United States
Origin countries: United States
Language: English
Spoken: English
Budget: N/A
Revenue: N/A

Production countries: United States
Origin countries: United States
Language: English
Spoken: English
Budget: N/A
Revenue: N/A

What the Phonofilm Means

Released Documentary

01 Jan, 1923

What the Phonofilm Means

Released Documentary

01 Jan, 1923

Directed by Lee De Forest

Short introductory film demonstrating the novel sound-synchronized film technology, the "Phonofilm".

Directed by Lee De Forest

Short introductory film demonstrating the novel sound-synchronized film technology, the "Phonofilm".

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