| Thread | Last Post | Replies |
|
| request | 06 May 2006 15:33 GMT | 4 |
Hi..
I am am doing an article about building acoustic studio, so I would bee very
thankful if you could give me a link to similar articles or some sites where
I could find informations..
|
| Ultrasonic sound receiver (QST, April'06) | 05 May 2006 04:46 GMT | 3 |
April QST just arrived.
Ther is a nice article by James Hanson (W1TRC) on how to build an
ultrasound receiver to listen for power line trace arc-over corona (that
generate a lot of AM radio static) sounds.
|
| Doppler Effect and Relative Motion | 03 May 2006 15:06 GMT | 36 |
As you know, there are separate equations for calculating the Doppler
shift depending on whether the source is moving of the receiver is
moving. Of course they are just special cases of the more general
Doppler equation:
|
| prominent discrete tones in fan noise | 03 May 2006 15:05 GMT | 1 |
Regarding prominent discrete tones in fan noise, I have read the ISO
and ANSI standards that have procedures for measuring prominence and
one can subsequently apply penalties to the overall sound level to
account for this. But my question is, with regard to reporting on fan
|
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