SR wrote:
I mostly use my Sony ICF-2010 for swling.

Many times on 75 meters, I hear out of tune signals or voices. So, I
then turn the radio to LSB or USB. And then the audio of my radio goes
down. But the signal strength is still high or strong.

I know their Hams operators talking. But the bigger problem I have is
that when I go LSB or USB to better hear them, I lose almost all of the
audio. Even if I bring the volume all the way up. I don't understand this.

For ham ssb transmissions on 75 meters, almost all will be on LSB.