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Message |
Robert Sterns
Guest
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 Posted:
Sun Feb 13, 2005 3:39 am Post subject:
FM low freq w/ high? |
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I recall reading that it is possible to frequency modulate a low
frequency with a higher one, as opposed to the usual other way around.
For example, FM a 100Hz sinewave modulated by a 1KHz sinewave.
Does anyone have any idea how this would work in practice?
I generated this in CoolEdit (audio waveform editor) and it does not
look like a normal FM signal, of course. The high frequency just rides
upon the lower one as a superimposed AM.
Is that all there is to it?
Robert
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Luhan Monat
Guest
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| Posted:
Mon Feb 14, 2005 12:19 am Post subject:
Re: FM low freq w/ high? |
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Robert Sterns wrote:
| Quote: | I recall reading that it is possible to frequency modulate a low
frequency with a higher one, as opposed to the usual other way around.
For example, FM a 100Hz sinewave modulated by a 1KHz sinewave.
Does anyone have any idea how this would work in practice?
I generated this in CoolEdit (audio waveform editor) and it does not
look like a normal FM signal, of course. The high frequency just rides
upon the lower one as a superimposed AM.
Is that all there is to it?
Robert
Hi, |
You have just re-invented FM systhesis (Yamaha DX series).
--
Luhan Monat (luhanis 'at' yahoo 'dot' com)
"The future is not what it used to be..."
http://members.cox.net/berniekm |
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Zak
Guest
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| Posted:
Tue Feb 15, 2005 2:32 am Post subject:
Re: FM low freq w/ high? |
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Luhan Monat wrote:
| Quote: | You have just re-invented FM systhesis (Yamaha DX series).
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Also used in many ancient PC sound cards as synthesizer.
Thomas
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