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Bioacoustics is a cross-disciplinary science that combines biology and acoustics. Usually it refers to the investigation of sound production, dispersion and reception in animals (including humans). [1] This involves neurophysiological and anatomical basis of sound production and detection, and relation of acoustic signals to the medium they ...
Film is rather unusual as it involves an integration of visual and auditory stimuli. In narrative films, plots are guided by camera placement and movement, dialogue, sound effects, and editing. Some aspects of film are driven by bottom-up or sensory guided factors (such as light, motion or sound), whereas other aspects depend more on top-down ...
Wild track, also known as wild sound and wild lines, [citation needed] is an audio recording intended to be synchronized with film or video but recorded separately. Generally, the term "wild track" refers to sound recorded on the set or location of a film, such as dialogue, sound effects, or ambient or environmental noise gathered without cameras rolling.
Example of a variable-area sound track on the right side of the frames on this strip of 16mm film. The width of the white area is proportional to the amplitude of the audio signal at each instant. Most of the inventions which led to optical sound-on-film technology employed the use of an electric lamp , called an 'exciter', shining through a ...
A distinct use of the term sound from its use in physics is that in physiology and psychology, where the term refers to the subject of perception by the brain. The field of psychoacoustics is dedicated to such studies. Webster's dictionary defined sound as: "1. The sensation of hearing, that which is heard; specif.: a. Psychophysics.
Non-diegetic sound is represented as coming from a source outside the story space, i.e. its source is neither visible on the screen, nor has been implied to be present in the action. Also called "non-literal sound" or "commentary sound". Examples include: Narrator's commentary; Sound effects added for dramatic effect; Mood music; Film score
Phonofilm is an optical sound-on-film system developed by inventors Lee de Forest and Theodore Case in the early 1920s. In 1919 and 1920, de Forest, inventor of the audion tube, filed his first patents on a sound-on-film process, DeForest Phonofilm, which recorded sound directly onto film as parallel lines. These parallel lines photographically ...
A spectrogram of the soundscape of Mount Rainier National Park in the United States. Highlighted areas show marmot, bird, insect and aircraft noises. Soundscape ecology is the study of the acoustic relationships between living organisms, human and other, and their environment, whether the organisms are marine or terrestrial.