Room Acoustics Forum by Rives Audio

8th grade science project

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I'm looking for some ideas on how to set up a science fair project for my son that explores the differences in construction materials for attentuating sound. I've built a good many home made sound panels for my room but here's what I'm thinking:

Build a small box about 2' x 2' x 2'. Mount a speaker on sone side firing in. DRive with a signal generator. Install a SPL meter inside the box and line the box with different materials like plain sheetrock, wood, FG, foam, carpet, etc. etc. Record spls at varying frequencies w/varying materials and graph.

Any better ideas or improvements would be greatly appreciated. I need to keep it simple enough and not to big but make meaningful at a basic level.

Regards,
Jim D.

Follow Ups:

RE: 8th grade science project - David Aiken 21:59:52 01/30/09 (2)
- RE: 8th grade science project - Jim D. 04:47:47 02/01/09 (1)
  - RE: 8th grade science project - David Aiken 12:47:26 02/01/09 (0)

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