[BC] Omnia.FM

Richard Fry rfry at adams.net
Mon Oct 5 07:56:50 CDT 2009


>Even though being the loudest FM does not have all the advantages of
>being the loudest AM it does provide real advantages nonetheless.
______________

The Fletcher-Munson curves apply to soundfield levels heard by an average 
listener in the listening environment.  That is more a function of the 
listener's audio system and its settings than to the peak/average modulation 
of an AM or FM transmitter.

The F-M curves show that even the "loudest" AM/FM transmission will be peaky 
in the mid-range at SPLs from the receiver/sound system of ~90 dBa and 
less -- and ultimately that SPL is controlled by the listener.

RF 



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