When blocks are broken, the sound for said block plays on the south-east corner of the block instead of the middle. Depending on the direction that the player breaks the block from, sound differences are virtually random.
MCPE-60799
Block breaking sounds originate on the South-East corner of the block
Open
20
Makzevu
(Unassigned)
381061
Confirmed
Windows
1909 (18363.535)
south-east-rule
1.19.0.25 Preview, 1.18.10.26 Beta, 1.18.0.22 Beta, 1.17.40.20 Beta, 1.17.30.24 Beta, ..., 1.16.100, 1.16.200, 1.18.0, 1.19.0, 1.19.81 Hotfix
Retrieved
Tried this myself, there is definitely a louder pop in my right speaker when I face north into the south face of the block and in my left speaker when I face west into the east face of the block.