Server Version#: 1.30.1.6562
Client Version#: 5.52.3
Platform Version#: 4.4.0
In a video with various audio tracks (English, Spanish, Japanese) if I select English audio track, the Plex player on LG TV reproduces another audio track, for example Spanish.
The selection works correctly on Windows PC.
I’ve the same issue on LG TV with webOS with some movies, it’s Italian language by default but it reproduce English only, also changing the language it remain in English.
The only way to run it in the default and needed language is downgrading the file quality to 1080P for the 4K files or to less bitrate of 1080 for the 1080 files etc.
I’ve this issue since the beginning with every app or server’s version tried.
The same files works correctly using chrome player on a PC or the android app on the smartphone.
Below the media data of one of the movies that have this issue reproducing Audio 2 (ENG) instead of Audio 1 (ITA) if it can be useful:
Generale
Unique ID : ******************** (0x************************)
Complete name : B:*******.mkv
Format : Matroska
Format version : Version 2
File size : 10,0 GiB
Duration : 1o 48min
Overall bit rate : 13,3 Mbps
Encoded date : UTC 2018-01-17 17:29:19
Writing application : mkvmerge v18.0.0 (‘Apricity’) 64-bit
Writing library : libebml v1.3.5 + libmatroska v1.4.8
Video
ID : 1
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 : 1o 48min
Bit rate : 11,8 Mbps
Width : 3.840 pixel
Height : 1.606 pixel
Display aspect ratio : 2,40:1
Frame rate mode : Costante
Frame rate : 23,976 (24000/1001) fps
Color space : YUV
Chroma subsampling : 4:2:0 (Type 2)
Bit depth : 10 bit
Bits/(Pixel*Frame) : 0.080
Stream size : 8,93 GiB (89%)
Writing library : x265 2.6+26-b4edf9b44d23:[Windows][MSVC 1900][64 bit] 10bit
Encoding settings : cpuid=1050111 / frame-threads=3 / numa-pools=8 / wpp / no-pmode / no-pme / no-psnr / no-ssim / log-level=2 / input-csp=1 / input-res=3840x1606 / interlace=0 / total-frames=0 / level-idc=51 / high-tier=1 / uhd-bd=0 / ref=4 / no-allow-non-conformance / repeat-headers / annexb / no-aud / hrd / info / hash=0 / no-temporal-layers / open-gop / min-keyint=23 / keyint=250 / gop-lookahead=0 / bframes=8 / b-adapt=2 / b-pyramid / bframe-bias=0 / rc-lookahead=30 / lookahead-slices=4 / scenecut=40 / radl=0 / no-intra-refresh / ctu=64 / min-cu-size=8 / rect / no-amp / max-tu-size=32 / tu-inter-depth=1 / tu-intra-depth=1 / limit-tu=0 / rdoq-level=2 / dynamic-rd=0.00 / no-ssim-rd / signhide / no-tskip / nr-intra=0 / nr-inter=0 / no-constrained-intra / no-strong-intra-smoothing / max-merge=3 / limit-refs=3 / limit-modes / me=3 / subme=3 / merange=57 / temporal-mvp / weightp / no-weightb / no-analyze-src-pics / deblock=-3:-3 / no-sao / no-sao-non-deblock / rd=4 / no-early-skip / rskip / no-fast-intra / no-tskip-fast / no-cu-lossless / no-b-intra / no-splitrd-skip / rdpenalty=0 / psy-rd=2.00 / psy-rdoq=1.00 / no-rd-refine / no-lossless / cbqpoffs=0 / crqpoffs=0 / rc=crf / crf=17.0 / qcomp=0.60 / qpstep=4 / stats-write=0 / stats-read=0 / vbv-maxrate=160000 / vbv-bufsize=160000 / vbv-init=0.9 / crf-max=0.0 / crf-min=0.0 / ipratio=1.40 / pbratio=1.30 / aq-mode=3 / aq-strength=0.80 / cutree / zone-count=0 / no-strict-cbr / qg-size=32 / no-rc-grain / qpmax=69 / qpmin=0 / no-const-vbv / sar=1 / overscan=0 / videoformat=5 / range=0 / colorprim=9 / transfer=16 / colormatrix=9 / chromaloc=1 / chromaloc-top=2 / chromaloc-bottom=2 / display-window=0 / master-display=G(13250,34500)B(7500,3000)R(34000,16000)WP(15635,16450)L(10000000,0) / max-cll=0,0 / min-luma=0 / max-luma=1023 / log2-max-poc-lsb=8 / vui-timing-info / vui-hrd-info / slices=1 / no-opt-qp-pps / no-opt-ref-list-length-pps / no-multi-pass-opt-rps / scenecut-bias=0.05 / no-opt-cu-delta-qp / no-aq-motion / hdr / hdr-opt / no-dhdr10-opt / analysis-save=(null) / analysis-load=(null) / analysis-reuse-level=5 / scale-factor=0 / refine-intra=0 / refine-inter=0 / refine-mv=0 / no-limit-sao / ctu-info=0 / no-lowpass-dct / refine-mv-type=0 / copy-pic=1
Default : Si
Forced : No
Color range : Limited
Color primaries : BT.2020
Transfer characteristics : PQ
Matrix coefficients : BT.2020 non-constant
Mastering display color primaries : Display P3
Mastering display luminance : min: 0.0000 cd/m2, max: 1000 cd/m2
Audio #1
ID : 2
Format : DTS
Format/Info : Digital Theater Systems
Codec ID : A_DTS
Duration : 1o 48min
Bit rate mode : Costante
Bit rate : 768 kb/s
Channel(s) : 6 canali
Channel layout : C L R Ls Rs LFE
Sampling rate : 48,0 KHz
Frame rate : 93,750 fps (512 SPF)
Bit depth : 24 bit
Compression mode : Con perdita
Stream size : 594 MiB (6%)
Title : Italiano DTS
Language : Italiano
Default : Si
Forced : No
Audio #2
ID : 3
Format : AC-3
Format/Info : Audio Coding 3
Commercial name : Dolby Digital
Codec ID : A_AC3
Duration : 1o 48min
Bit rate mode : Costante
Bit rate : 640 kb/s
Channel(s) : 6 canali
Channel layout : L R C LFE Ls Rs
Sampling rate : 48,0 KHz
Frame rate : 31,250 fps (1536 SPF)
Compression mode : Con perdita
Stream size : 495 MiB (5%)
Title : Inglese AC3
Language : Inglese
Service kind : Complete Main
Default : No
Forced : No
I think I ran into something similar to this in the past. The problem was that I had DTS enabled in settings but since my LG can’t play DTS (no sound), Plex played an alternate AC-3 track that was also encoded in the mkv. In my case it played the descriptive audio track instead of the main one. So… I’d suggest checking to make sure that you have disabled DTS in the app settings which will force Plex to transcode to a supported format.
Just something to check. Cheers.
Disabling Dolby Digital Plus EAC3 does seem to fix the problem, but it doesn’t fix the root cause, because with it enabled, the audio track does work, it is just that the names and order gets mixed.
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