SPDIF port can support 3 audio mode :
* Surround 5.1 for Dolby and DTS
* TV play either LPCM 48/16 or Dolby 2.0
* CD play 44.1/16
Sound setting field will be appear until SPDIF signal is detected. User sound setting will apply to corresponding audio mode on SPDIF port.
No signal is detected on SPDIF port. Check the optical cable is plugged, video player or TV is switched on.
Sound setting paramters
Speaker sound timber
Surround sound effect
Upsampling interpolation filter
2.1 mode pseudo LFE effect