medium nature of presentation type of material

rostrum visible, audible per- oratory, preaching,

formance by a single recital; the speech,

person sermon, song, reading,

monologue, monodrama

live theatre; visible, audible per- drama, opera, ballet,

concert hall formance by a group revue, circus, etc.,

or company with or without music;

the concert

motion pictures visible, but not audible mimed drama with titles,

(silent) performance presented documentary presentation,

by means of cinemat- news record, or animated

ograph projection film; presented with

"live" sound (music,

commentator)

motion pictures visible, audible per- original screenplays or

(sound) formance presented material adapted from

by means of a theatrical, fictional,

cinematograph pro- or other sources; ac-

jection cording to degree of

adaptation, the sound

film supervenes on the

form of its source,

making something new;

also news, factual, and

documentary material

sound radio audible but not visible the whole range of human

broadcast performance activity, from the news

bulletin, report, com-

mentary, discussion,

talk, or actuality re-

cording to the complete

cycle of the audible arts--

story and poetry reading,

drama and documentary,

music and opera, including

material specially created

for the medium

television visible and audible includes all of the above,

broadcast performance but seen as well as heard