Natural Science Forum / Physics / Acoustics / April 2004

I'm currently editing my geophysics/applied math Ph.D. proposal
and would like comments back, preferably to my campus e-mail
address n06drd@mun.ca (where that is zero and not Oh) on its
potential originality and on any literature review references

Is anybody aware of a device that will cancel
noise in a room. I know about the headphones, btw.
TIA,
Dennis

Does anyone know why a screed could not substitute for a platform/batten
floating layer in a separating floor system?  In the main part of the
Approved Document E of the UK Building Regulations the two are
interchangable;  however in the robust standard details, Steel Floor 2 has

Dear group:
    I am looking for a random noise generator circuit to drive an
architectural acoustics noise source (50Hz-8 kHz), the ususal "pink
noise" type. I don't need an amplifier, just a crcuit diagram for a

Hey everybody, I'm a graduate student doing research on recording studio
design and acoustics. I have developed two design alternatives for a musical
recording room, and I would very much appreciate if all you acousticians,
producers, engineers, and other experts out there would ...

I am in need of professional advice concerning treatment and reconstruction
to reduce the transference of sound (drums) to my neighbors on either side
and above in an old building in Cuyahoga Falls Ohio. I would appreciate any
help steering me toward the right person(s) to consult ...

I'm doing an RT60 calculation of a room at different frequencies. I'm
using 1/3 octave noise for frequencies smaller than 512 Hz and octave
noise for highest frequencies. I've recorded all the reverbs and now I'm
 feeding matlab for the analysys. I've some question: