OpenSL ES audio output has poor quality (crackle/noise)
OpenSL ES audio output has poor quality (crackle/noise).
You can use http://streams.videolan.org/issues/11390/Test.wav file to test quality of OpenSL ES audio output.
Tested on the latest nightly git-master build using Google Nexus 5 (LG D821) device on the latest official unmodified Android 5.1.0 (LMY47I) and on the latest official CyanogenMod 12.1 nightly.