Two synths playing at once creates horrible buzzing noise!

[Nino (Gravity Express)]

Extremely distorted sound effects: Hardware Speaker frequency range?

I added 2 sounds to my game which have pretty low frequencies, and they sound quite distorted through the playdate's speakers*. Other games seem to hold up at maximum system volume, but these two sounds sound terrible at 70+%. Especially the electronic_hum sound. Is it at the resonant frequency of the speaker maybe? Simulator and headphones plugged into playdate sound fine. sound_test.zip (86.5 KB) Most noticeable when playing both sounds simultaneously See attached demo project for the sou…

As for games never having to lower their volume... My game Gravity Express distorts with system volume above 50%, as does the demo app linked in that post. To this day I don't know what is happening there