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[Phys-L] Acoustical modes in speaking tubes?



Speaking tubes are wave guides?

Intelligibility is decreased w/ larger diameters.

Anything to do w/ more permitted modes?

bc analogist, and wonders about the behaviour of square speaking tubes.

And thanks T.K for the reference

Can You Hear Me Now? Sound Technology of the 19th Century | Cocktail Party Physics, Scientific American Blog Network


http://blogs.scientificamerican.com/cocktail-party-physics/2012/07/23/can-you-hear-me-now-sound-technology-of-the-19th-century/