Contributions of Telephone Research to Sound Pictures
The principal elements of the sound system for motion pictures are: microphone, amplifiers, recorder, reproducer, and loud speaking receivers. The evolution of these devices began with the invention of the telephone by Bell. In this paper it is shown how subsequent studies relating to the telephone art contributed to their development prior to the advent of commercially successful sound pictures.
- Print ISSN
- 0097-5834
- Published
- 1936-08
- Content type
- Original Research
- DOI
- 10.5594/J08634
Download the PDF
or become a SMPTE member today to access the
article.
Become a SMPTE
member today to access the article.