Speech compression and EQ to get rid of the lower octaves of speech is a
wonderful thing, and can increase "talk power" significantly. My
starting point with TXEQ for maximum talk power is max cut of the three
lowest bands (-18dB), 6 dB cut of the fourth band, 3-6 dB of boost on
the top two bands. Do that BEFORE setting compression.
But EXCESSIVE use of compression can be a very BAD thing. I'd be very
cautious about using more than an indicated 1-2 dB on voice peaks. It
should NOT be adjusted to a certain number on the CMP readout, but
rather to the meter that shows gain reduction.
Once these settings are done, get signal reports from trained listeners,
and tell them to set their RX bandwidth fairly wide.
These two settings -- good low cut of voice frequencies and 10 dB of
compression can increase talk power by 13 dB. That's multiplying your
effective TX power by 20!
73, Jim K9YC
On 12/4/2018 7:45 PM, Wayne Burdick wrote:
Speech compression can add a lot of "punch" to your low-power signal, bringing
up average voice power. As with the K3/K3S, our KX-line compression algorithm is
exceptionally clean. Use the CMP switch on the KX3 (TX CMP menu entry on the KX2) to dial
in compression of up to 30 dB.
*** Receive and Transmit EQ ***
8-band graphic equalizers (MENU:RX EQ and TX EQ) can be used to tailor the
receive and transmit audio to your liking.
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