PSP 6.60 audio latency/audio fastforward / high pitch

[dattebayo.sama2010]

Hello guys. Ive been googling this issue for weeks and i cant seem to find a solution. It looks like im the only one in the world that has this problem


My audio sounds like a chipmunk as if it is in fastforward after using psardumper. I tried to downgrade from 6.60 to 6.20 but no results. I can play mp3s like normal so its not a speaker audio. i also tried it with headphones and same results. I have psp 3000 6.60

 

[DigitalDrive]

This is interesting. I dunno how the hell it happened, but lemme guess:
Sony used ATRAC3 (AT3) audio compression for PSP and its games, the decoder might be playing audio back with 2x speed.