DRAM Detective · Case File 1.7
Absorb the Lingering Echo
A signal bounces off a mismatched wall — ODT is the foam that absorbs the echo.
A note travels down the room and hits the far wall…
hard wall bounces it back → foam absorbs it → eye opens
signal →
echo ←
ODT
eye: narrow & blurred
eye: wide & clear
RttWr
NomRd
NomWr
Park
ParkDqs
Rtt = how thick the foam is (5 states)
ODT is the foam on the wall — tune its thickness (Rtt) to match the room (Z0),
and the echo dies before it muddies the next note.
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