[Noisebridge-discuss] exercises in dB

[John Adams]

Mix Magazine's Recording Engineer's Handbook is pretty impressive for
science facts.

MIT Press: _Spatial Hearing_ is amazing (but overly technical for neub
audiences.)

If you want to get into some real fun calculations you might want to
talk about how to calculate standing waves in rooms (axial, non-axial,
etc.)

-j


On Mon, Jul 26, 2010 at 3:28 PM, Michael Shiloh
<michaelshiloh1010 at gmail.com> wrote:
> I'm teaching a Science of Sound class, and I want to give my students a
> variety of exercises using decibles in order to cement this important
> concept.
>
> Examples might be:
>
> A loudspeaker produces a Sound Pressure Level (SPL) of 115 dB at 1 meter
> distance with an input power of 1 Watt. What is the SPL at 6 meters?
>
> This requires using (and understanding) the inverse square law and then
> calculating the reduction in SPL.
>
> My textbook ("Master Handbook of Acoustics", Everest and Pohlman) has a
> few worked examples in the text but no unanswered exercises.
>
> For my electronics class we use a great online resource
> (http://www.allaboutcircuits.com/ which I highly recommend) which has a
> series of worksheets. This was immensly useful to give students an
> opportunity to see exactly where they were having trouble.
>
> Does anyone know of an online and suitably licensed collection of
> appropriate exercises?
>
> Thanks,
> Michael
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