optical sound
Film
noun
Recorded sound represented by a pattern of light and dark alongside the frames of a film.
Origin
1960s; earliest use found in McGraw-Hill Encyclopedia of Science and Technology.
- pulse dialling
- pulse-Doppler
- pulse duration modulation
- pulse frequency modulation
- pulse glass
- pulse jet
- pulse-label
- pulseless
- pulselessness
- pulse-like
- pulse meter
- pulse-modulated
- pulse modulation
- pulse modulator
- pulse oximeter
- pulse point
- pulse position modulation
- pulse pressure
- pulse radar
- pulse radiolysis
- pulse repeater
- pulse-taker
- pulse-taking
- pulse-time-modulated
- pulse time modulation