EGA monitor

Hi Vladimir Gubin, hope you are having a nice day

19-Aug-97 12:55:30, Vladimir Gubin wrote to Vladimir Yudin
Subject: Re: EGA monitor

VG> BTW, I noticed that the sound effects of some games It becomes more pleasant,
VG> more precisely
VG> volume levels appear for a one-bit sound if you use free bits of the 254 port to control it
VG>. You just need to set the hertz to 500-1000 after the DAC on two
VG> summary -
VG> low-pass filter. If this is a FAQ, then I apologize if
VG> comy
VG> I’ll try to dig up the schematics. The signal with the AY signal is mixed afterwards.

Of course, dig. And the result of the excavations is in the echo.
It would also be interesting to know where this idea came from - not out of thin air?

-=> Yours sincerely, Andrew Kriulin <=-