I'm not sure that boosting high frequencies (assuming you have simple,
age related, type losses) is really a safe thing to do. Whilst hearing
aids do this, they also apply dynamic range compression, to minimise the
additional hearing damage caused by the aid for loud sources.
Incidentally, the standard correction applied by hearing aids is
approximately half the number of dB's of loss. They don't try to fully
cancel the loss.
--
David Woolley
On 14/10/2021 00:24, Jim Brown wrote:
First, one that works for K6DGW, who mostly works CW and has a lot of
hearing loss. Set RXEQ with maximum cut for the 3 lowest bands (50, 100,
200) and cut at least 6 dB on the 4th (400 Hz). Set the highest bands
for max boost. Depending on what note you like for CW, play with the 400
Hz band.
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