Research into Sound

Archived from groups: rec.audio.pro (More info?)

On Thu, 30 Dec 2004 15:55:55 GMT, M. Sawalski <msawalski@wi.rr.com> wrote:
> Hello! I am starting to do some research into sound and its affects on
> various items (ie surfaces, etc), looking at single frequencies, waveshapes,
> etc.
>
> I am wondering if there is a newsgroup specifically devoted to this, or a
> website or place to go to post some of my questions. I apologize in advance
> if this is not the correct place for these questions.
>
> First, I am looking for a device that will allow me to generate a variety of
> different waveforms and frequencies. Preferably would be hooked to or part
> of a computer to allow me to track my results. Can anyone recommend
> something like this?

That's called a "sound card." You probably have one already attached to
your computer.

If you need something more sophisticated than that, check out Agilent's
catalog for instrumentation--signal generators and frequency counters.

> Next, I would like to observe the waveforms and tie them in with the
> physical observations I have. I am assuming that a digital oscilliscope
> will work, correct? Any other devices out there that anyone can recommend?

Digital oscilliscope . .heck, you can buy a Tektronix 465 off Ebay--nice
thing about them is they can be repaired with ordinary components.
Frequency counter? Distortion analyzer? Too many options really.

> Next, is there any software that allows me to "make" or create various
> sounds that I can play back and experiment with?
>
> Thanks for your patience!
>

If you can afford it, get yourself a copy of LabView. Heck, even if you
CAN'T, you still want LabView. Runs on most any computer, most any OS,
does most of the basic things you want doing.

If your needs become more specific, you can start pouring rather large
sums on much more specialized equipment. But LV plus your sound card
will get you started.