Poweramp Version:v3 build 820 uni
1.Xiaomi 6
2.Android9.0(pixel experience unofficial)
3.Qualcomm Snapdragon 835
Hires can work on official rom(MIUI9 with Android 8),but can't work on Android 9(No sounds after open Hires output and lock on 48kHz).Hope to solve it. The serious background noise on Xiaomi 6 without Hires supported.audio_output_policy.conf