Connect your device with an HDMI cable and tap Settings button on the left side of the playback screen.
Select HDMI Output in the Audio tab.
Select the output method you want.
PCM vs Bitstream
Audio is decoded from nPlayer and transmitted to the output device connected with an HDMI cable.
Audio is decoded in the output device connected with HDMI cable.
The general monitor doesn’t have decoder, however it is possible if used with a decoding device.