Influence of Acoustic Structure on The Choice of Theater Seating

Watching a movie in the cinema, you can hear it clearly wherever the theater seating is. Because the amplifier in the movie theater has a lot of energy, it can also adjust the sound direction, so that all the sound is most effectively directed to the audience, so that everyone can hear it clearly and loudly. In the theater, if we want to hear well, in addition, to clear direct sound, we also need to use reflected sound as a supplement, which can make the sound rich and full, and it is very pleasing to the ears. Therefore, engineers must consider the acoustic structure when designing the theater chair, concert hall, or auditorium theater seating.

Here is the content list:

• The influence of light on the choice of theater seating

• The influence of the reflection of the stage floor and siding on the choice of theater seating

The influence of light on the choice of theater seating

When light hits an obstacle, it bounces back, and so does sound. The sound on a theater chair stage is enhanced to some extent by reflections from the stage floor, the hard siding on the stage, the ceiling, and the walls. The most effective of these is the stage floor and the hard siding on the stage, as it is the closest to the sound source and has the highest reflective efficiency. Here, the direct and reflected sounds are sent almost simultaneously, with an interval shorter than a twentieth of a second, increasing the sound intensity without sacrificing intelligibility. As for the ceiling and walls of the theater, they can also reflect and beautify the sound. The theater seating in the main hall of an ordinary theater is often lower than the stage, and the back seat is only a little higher, so almost the entire main hall is not affected by the reflection of the stage floor. The theater seating in the middle is also far away from the walls on both sides, and the reflections from the walls cannot be accepted, and only the direct sound from the stage can be heard. So in some larger theaters, sitting in the middle theater seating, the sound is always not clear and loud enough, and it feels like it is in the open air.

The influence of the reflection of the stage floor and siding on the choice of theater seating

The theater seating on the second floor is largely reflected from the theater chair stage floor and siding, so the sound is clear and loud. Although the third floor is farther from the stage, the angle it forms with the stage and the sound source is smaller, and the effect of reflection is greater. In addition, the third floor is very close to the ceiling, and there is an additional layer of very effective reflection, so the sound of the third floor is often better than that of the second floor. If the stage is covered with a large carpet, the sound upstairs will be reduced. To make the audience hear more clearly, some actors often stand at the entrance of the stage, which has little effect on the audience in the front row, but from the perspective of the entire theater, the intensity of his voice is reduced, because the stage floor and walls are at this time. The board was no longer reflecting his voice. In the ideal theater, all theater seating should be higher than the stage floor.

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