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Earphones Permit Select Showing Of Film in Classroom
t 7 Samuel R. Rubinstein
1 T is well known that earphones can be utilized by pupils listening to recordings without disturbing other pupils at work in the room. Capitalizing on this idea, we experimented with the possibility of having six pupils listen with earphones and see a 16mm motion picture film projected on a screen. This idea has great potentialities.
The mechanics of this set-up are quite simple. An adapter box with six jacks was used. The box has its own plug which was inserted into the jack marked "speaker," in the audio section of the projector. Six pairs of earphones were plugged into the adapter box.
Six children sat around a table and watched the film projected about 4 feet away onto a white surface glued onto the inside of a shadow box. On this enclosed surface, black-and-white and color pictures showed up very clearly without having to darken the room or to draw the shades.
It should be possible to use this arrangement in any subject where small groups are expected to do independent research. Committees often require special films. Usually they are forced to spend extra time or move themselves or equipment to other rooms. This new method would make these disturbances unnecessary.
The film can be shown in one corner of any room; a table and several chairs provide a study area for the pupils. While these pupils are listening and watching the film, other pupils continue with their work and they will not be affected by any sound from the projector.
One jack in the adapter box can also be used with a plug from the tape recorder. We have taped special sound effects from film sound tracks, as well as some interesting commentaries on various subjects. Tapes are reused as pupils progress from one subject area to another.
Initially pupils were curious about this new arrangement and stopped work to watch the other pupils engrossed in listening and in viewing the films. Soon, however, everyone continued work at his own activity in the shop or in the classroom.
The teacher assigns one of the two AV squad monitors in each class to handle the threading and the rewinding of the film. When the projector is returned to the audiovisual building coordinator, the earphones remain plugged intg the adapter box and are placed in the box with the white "screen" surface. This assembly, thus, is returned as a unit. The white surface is protected by interposing a sheet of oak tag or piece of felt between this surface and the earphones.
Teachers will find even greater values from using these films if they find ways to use them for small group instruction within larger classes.