Dolby True HD issues with Nvidia Shield

Plex Media Server NAS & Devices
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1

Server Version#: 1.21.4.4079
Player Version#: 8.13.1.23036

Nvidia Version#: 8.2.2

Hello everyone,

i have some issues watching my bluray 4k Akira. The Dolby True HD jap stutter sometimes.
It’s noticable at 6:30
The audio in this bluray is a little bit special in the way that’s a Dolby True HD 24/196khz
I haven’t any other audio like that so i can’t do any much more.
Just to make sure the Bluray works fine with VLC didn’t try on kodi yet, and Dolby True HD works well on other film.
And the movie is not transcode of course.

I was aware that a update 8.1.x fix it but unfortunately it doesn’t work for me.

So i just wanted to know if i’m the only one with this problem.

Please forgive any mistakes

Here is the bluray :

General
Unique ID : 55387690033264213908534664917953410681 (0x29AB47F4C38CB7DF811A08975E49F679)
Format : Matroska
Format version : Version 2
File size : 81.1 GiB
Duration : 2 h 4 min
Overall bit rate mode : Variable
Overall bit rate : 93.0 Mb/s
Movie name : AKIRA
Encoded date : UTC 2021-03-03 08:08:50
Writing application : MakeMKV v1.15.4 win(x64-release)
Writing library : libmakemkv v1.15.4 (1.3.10/1.5.2) win(x64-release)

Video
ID : 1
ID in the original source medium : 4113 (0x1011)
Format : HEVC
Format/Info : High Efficiency Video Coding
Format profile : Main 10@L5.1@High
HDR format : SMPTE ST 2086, HDR10 compatible
Codec ID : V_MPEGH/ISO/HEVC
Duration : 2 h 4 min
Bit rate : 81.1 Mb/s
Width : 3 840 pixels
Height : 2 160 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 23.976 (24000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:0 (Type 2)
Bit depth : 10 bits
Bits/(Pixel*Frame) : 0.408
Stream size : 70.7 GiB (87%)
Language : English
Default : No
Forced : No
Color range : Limited
Color primaries : BT.2020
Transfer characteristics : PQ
Matrix coefficients : BT.2020 non-constant
Mastering display color primaries : BT.2020
Mastering display luminance : min: 0.0050 cd/m2, max: 1000 cd/m2
Maximum Content Light Level : 1000 cd/m2
Maximum Frame-Average Light Level : 369 cd/m2
Original source medium : Blu-ray

Audio #1
ID : 2
ID in the original source medium : 4352 (0x1100)
Format : MLP FBA
Format/Info : Meridian Lossless Packing FBA
Commercial name : Dolby TrueHD
Codec ID : A_TRUEHD
Duration : 2 h 4 min
Bit rate mode : Variable
Bit rate : 9 517 kb/s
Maximum bit rate : 13.9 Mb/s
Channel(s) : 6 channels
Channel layout : L R C LFE Ls Rs
Sampling rate : 192 kHz
Frame rate : 1 200.000 FPS (160 SPF)
Bit depth : 24 bits
Compression mode : Lossless
Stream size : 8.29 GiB (10%)
Title : Surround 5.1
Language : Japanese
Default : Yes
Forced : No
Original source medium : Blu-ray

Audio #2
ID : 3
ID in the original source medium : 4355 (0x1103)
Format : MLP FBA
Format/Info : Meridian Lossless Packing FBA
Commercial name : Dolby TrueHD
Codec ID : A_TRUEHD
Duration : 2 h 4 min
Bit rate mode : Variable
Bit rate : 1 669 kb/s
Maximum bit rate : 2 835 kb/s
Channel(s) : 6 channels
Channel layout : L R C LFE Ls Rs
Sampling rate : 48.0 kHz
Frame rate : 1 200.000 FPS (40 SPF)
Bit depth : 24 bits
Compression mode : Lossless
Stream size : 1.45 GiB (2%)
Title : Surround 5.1
Language : English
Default : No
Forced : No
Original source medium : Blu-ray

Audio #3
ID : 4
ID in the original source medium : 4355 (0x1103)
Format : AC-3
Format/Info : Audio Coding 3
Commercial name : Dolby Digital
Codec ID : A_AC3
Duration : 2 h 4 min
Bit rate mode : Constant
Bit rate : 640 kb/s
Channel(s) : 6 channels
Channel layout : L R C LFE Ls Rs
Sampling rate : 48.0 kHz
Frame rate : 31.250 FPS (1536 SPF)
Compression mode : Lossy
Stream size : 571 MiB (1%)
Title : Surround 5.1
Language : English
Service kind : Complete Main
Default : No
Forced : No
Original source medium : Blu-ray

2

So i am the only one.

3

No, you’re not. A lot of us have brought this issue up, and the issue was “tweaked” but not completely fixed. Reason to believe that it’s a SHIELD issue, because I have tried a 7.1 media on just the Plex App on the TV w/Soundbar… and no problems. Noticed the Shield Dolly Atmos issue after the latest Shield 8.2 update. (shrug)

4

I have the same Shield Pro 2019
Onkyo RZ series receiver w/ LF, C, RF, LS, RS, LFE

Plex App set for Passthrough.

No issues.

Everything, including 59.94 FPS 2160p with TrueHD , plays.

DEBUG log files capturing this issue will be needed.

5

Thank you for your response.

I checked some log on the plex media server and that’s what i saw :

Mar 14, 2021 12:50:05.469 [0x7fe832a92700] VERBOSE - WebSocket: processed 1 frame(s)
Mar 14, 2021 12:50:07.393 [0x7fe832a92700] VERBOSE - WebSocket: processed 1 frame(s)
Mar 14, 2021 12:50:08.748 [0x7fe832a92700] VERBOSE - WebSocket: processed 1 frame(s)
Mar 14, 2021 12:50:08.749 [0x7fe832a92700] VERBOSE - WebSocket: processed 1 frame(s)

As a reminder the movie Akira run well on kodi or VLC so for me it’s an issue from Plex.
TrueHD/Atmos or whatever works fine with Plex or other app
I think it may come that the audio tracks is in Sampling rate : 192 kHz

If you need more logs just tell me how and what you need.

6

Just found this topic and would like to add that I am experiencing exactly the same issue as @elcrabito.

Japanese TrueHD 24 Bit / 192 kHz Audio Track stutters on a 2019 Shield Pro 8.2.2. using latest Plex Server + Plex App. Easily replicated between 6:00 - 6:30, always the same spots.

I was also confused by others mentioning the 8.1.x Fix fixed this particular issue. So now I am thinking that it might have been fixed in the past, but then came back with a later firmware update.

7

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