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Samsung HWQ900A + Samsung SWA-9500S rear speakers (1 Viewer)

neo360

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Hi all!
I just bought a Samsung HWQ900A and a pair of Samsung SWA-9500S speakers.
I connected them properly. My problem is the rear speakers are only used during videos on youtube. In other cases, like playing Xbox Series X games or watching movies on Tv via external hard drive, I cannot hear any sound from the 2 rear speakers.
I set up the best settings for the soundbar on the Tv (LG OLED55 B9SLA), including digital sound output on "Pass through", enabled eArc. I also set up the soundbar for best settings: auto equalizer on, ava on and increased the rear speaker level to 6.
I watch movies with Atmos support and 7.1 on Tv via external hard drive and still no sound from the 2 rear speakers. I tried all the sound modes on the soundbar but nothing works.

Any idea what is wrong?
 

JohnRice

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The "Pass Through" setting might be the problem. You probably need to enable Dolby Surround or Neural X on other sources to have the soundbar synthesize rear surround channels. You need to be playing back one of those sources to enable that setting.
 

neo360

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Alex
The "Pass Through" setting might be the problem. You probably need to enable Dolby Surround or Neural X on other sources to have the soundbar synthesize rear surround channels. You need to be playing back one of those sources to enable that setting.
Thank you for your help. I changed the digital sound out from "Pass through" to "PCM" and now the 2 rear speakers are working. I don't get it. Every website I searched was writing that "Pass through" was the best choice. Now it turns out that it is not true.
I know it sounds weird but now with the 2 rear speakers in "PCM" it sounds more quiet than in "Pass Through" without the 2 rear speakers. Is it normal?

And one more thing. The "DTV Audio Setting" on TV should be set on Auto or one of the followings: MPEG, Dolby Digital, Dolby Digital Plus, HE-AAC?
 

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