Dolby Digital only through USB, not through HDMI

[Nevarnost]

Hello, i noticed that i can turn on Dolby Digital only when i plug an external USB drive with compatible dolby movies. If i try to play a movie through my PS5 the audio is always stereo, is there something i can do to fix this?

#UE40J5000AK

[AndrewL]

@Nevarnost: Do you have an external speaker connected to your TV via optical cable, as the user manual for the J5000AK states that Dolby Digital is only available under this stipulation. If so, have you tried checking your PS5 Audio Settings to see if Dolby Digital is available (although, based on the above, this may not be the case). 

ENG-NLDVBEU1J-1012-1113.pdf (samsung.com)

[Nevarnost]

Yes, i have an external 5.1 system connected via Optical Toslink. If i play a movie from USB the system uses every channel, if i use anything that's connected via HDMI the Dolby Digital option is grayed out. 

The PS5 is set to Dolby Digital 5.1

[Nevarnost · Accepted solution]

Ok, Just FYI, after many days of research i found out that the problem is that Samsung doesn't pass through 5.1 audio from HDMI to Toslink. Pretty bad functionality but ok

https://www.samsung.com/us/support/troubleshooting/TSG01109021/