On Tue, 15 May 2007 22:21:20 +0200, Peter Voelpel wrote:
>The 1db difference will not be noticeable.
Let's clarify what we're talking about. If we make a change in the
loudness of a sound sitting FAR above the level of other sounds, 1 dB
is approximately the change that most people will just hear.
Put that sound within 10 dB of other sounds (like noise, QRM, or even a
musical performance) and a 1 dB change can be HUGE. It has NOTHING to
do with whether it is VHF, HF, or the sound in a room. It relates
entirely to the ability of our brains to separate one sound from
Jim Brown K9YC
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