is vibrations, which travel through the air (about 330 m/s)
or another medium and are usually sensed by the ear. Sound
can be recorded electrically using a microphone and various
(mostly magnetic) recording methods.
recorder,or analog tape recorder (Nagra) and
recorder,or digital recorder using a small DAT cassette.
sound narration in cinematography is based on
four elements can
heard at the same time
synchronized with one another or, for example, with movement,
image or light.
is not automatic, it requires learning. Besides music, you
can learn to listen to other forms of narration.
elements of sound narration explain or complement each other
when heard together. Heard together, they produce meanings
other than when heard separately. Speech together with music
provides an effect different from speech or music alone. Different
sounds synchronized with an image produce very different effects
when interpreting the image.
HyperPhysics: Sound and Hearing