September 14th 06, 01:59 PM
posted to rec.radio.shortwave
|
|
external usenet poster
|
|
First recorded activity by RadioBanter: Jul 2006
Posts: 837
|
|
Slightly OT -- Why do heterodyne cause an eerie emotional feeling
On 13 Sep 2006 12:32:22 -0700, "Radium" wrote:
David wrote:
On 12 Sep 2006 10:37:07 -0700, "Radium" wrote:
Bob Miller wrote:
On 11 Sep 2006 22:23:55 -0700, "Radium" wrote:
I've always liked heterdynes, especially when I zero-beat one.
I like them too yet I feel wierd and scared when I hear them.
Heterodynes give a mystical feeling.
http://en.wikipedia.org/wiki/Theremin
Yup. The Theremin does go well with Sci-Fi movies.
If the frequency difference is exactly that of notes [white keys] C and
D and both these frequencies are played exactly together, they sound
like the high-pitched sine-wave tones played on the Emergency
Broadcasting System.
http://hypertextbook.com/physics/waves/beats/
|