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bmowery1013
Contributor II
July 14, 2023

Blu-ray player downscaling?

  • July 14, 2023
  • 16 replies
  • 238 views

Hey everyone,

I just upgraded my blu-ray player to the Panasonic UB-420 with the twin HDMI ports.  I had the 150 and was able to get Dolby Atmos, but for some reason I can’t get it now and it seems the sound is being downscaled.  I have an LG UN9000 tv, and no settings on that have changed, and the Beam (gen 2) is connected to the eArc with the pass-through setting on the tv.  Does anyone know the settings i need from the blu-ray player and which port the audio HDMI cable should be in to get Dolby Atmos/Digital and multichannel PCM sound like I had with the previous player?  Any assistance appreciated. 

Thanks, 

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16 replies

GuitarSuperstar
Lead Maestro
July 14, 2023

Set the TV to these settings:

HDMI Input Audio Format: Bitstream
Digital Sound Output: Pass Through
eARC Support: On

 

Set the UB420’s Digital Audio Output settings to this:

Dolby Audio: Bitstream
DTS/DTS-HD: PCM
Secondary Audio: Off

 

You only need to use the Video Out HDMI port on the UB420. Connect this to any HDMI port on the TV.

"Receive with simplicity everything that happens to you." - Rashi
bmowery1013Author
Contributor II
July 14, 2023

Thank you so much!  I do have those as the current settings, but still am not getting Atmos.  Is there any other setting I may be missing??

GuitarSuperstar
Lead Maestro
July 14, 2023

Thank you so much!  I do have those as the current settings, but still am not getting Atmos.  Is there any other setting I may be missing??

What specific Blu-ray disc are you playing? What audio format are you getting?

"Receive with simplicity everything that happens to you." - Rashi
bmowery1013Author
Contributor II
July 14, 2023

When I try a disc w/DTS audio (Tenet) i’m getting Stereo PCM as opposed to Multichannel PCM 5.1 like I used to get.  I tried Top Gun:Maverick and am getting Multichannel PCM 7.1 as opposed to Atmos.   

GuitarSuperstar
Lead Maestro
July 14, 2023

When I try a disc w/DTS audio (Tenet) i’m getting Stereo PCM as opposed to Multichannel PCM 5.1 like I used to get.  I tried Top Gun:Maverick and am getting Multichannel PCM 7.1 as opposed to Atmos.   

Are you 100% sure the UB420 settings are set to this?

Dolby Audio: Bitstream
DTS/DTS-HD: PCM
Secondary Audio: Off

Have you manually selected the Dolby Atmos audio track on the Top Gun disc?

You might try unplugging the TV, Beam, and Blu-ray player from power for a couple of minutes. Also try toggling the eARC Support setting on the TV off and then on again.

"Receive with simplicity everything that happens to you." - Rashi
bmowery1013Author
Contributor II
July 14, 2023

100% sure of those settings, yes.  i’ll try unplugging and/or toggling the eARC support off then on.  

Thanks so much for the info.  

bmowery1013Author
Contributor II
July 14, 2023

Could it possibly be something with how i have the HDMI cables configured?  I have the Beam into the eARC port and the audio cable from the player right next to the Beam input.  I put the video HDMI cable into the remaining port, and I get video just fine.  I’m really perplexed. 

GuitarSuperstar
Lead Maestro
July 14, 2023

Based on the audio you are getting, it seems like you have the settings switched on the Blu-ray player. Can you send me a photo of the current Digital Audio Output settings on the UB420?

"Receive with simplicity everything that happens to you." - Rashi
GuitarSuperstar
Lead Maestro
July 14, 2023

Could it possibly be something with how i have the HDMI cables configured?  I have the Beam into the eARC port and the audio cable from the player right next to the Beam input.  I put the video HDMI cable into the remaining port, and I get video just fine.  I’m really perplexed. 

Don’t use both HDMI ports on the Blu-ray player. Just use one cable from the player’s VIDEO OUT to the TV’s HDMI port.

"Receive with simplicity everything that happens to you." - Rashi
bmowery1013Author
Contributor II
July 14, 2023

Yeah, i did an experiment and unplugged the audio cable and i was getting the higher audio.  HOWEVER, when i just use the one HDMI cable, at certain points in the movie, the audio will cut in and out for a second or two and be spotty (mainly during loud action scenes).  So I was hoping the second audio only HDMI would alleviate this problem, and it did while i had it plugged in, but wasn’t getting the higher audio.  Any workaround for this issue? 

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