On the Plex app for Fire TV (2nd Gen) if I have the option Settings -> Audio -> Dolby Digital (AC3) enabled, AAC 5.1 audio will cut out randomly. Some times as frequently as every few seconds. When I disable that setting, I believe it is transcoding the audio but it no longer cuts out. Attaching logs with the setting enabled and then disabled for comparison.
Audo information from plex:
Codec AAC
Channels 5.1
Duration 21:56
Profile lc
Sampling Rate 48000 Hz
I too am having this exact same issue (Amazon FireTV and Ubuntu - Plex server Version 1.4.3.3433) and bzfosterâs fix indeed stopped the sound from cutting out randomly.
Man, weâve been reporting this same bug for over a year. I really really REALLY wish we could get anything back from the developers on this.
There are two major bugs that have been around for ages: 5.1 AC3 stuttering and the âplays whatever it wantsâ bug. If these two things were fixed the AFTV would be a basically bug-free platform for plex.
It really seams like theyâve abandoned the AFTV platform to focus solely on AndroidTV fixes.
Please Plex Developers, help us out here. Take a break from tweaking AndroidTV and address these critical bugs in the AFTV platform.
Not too hijack the thread, but your title is not related to any specific Player clientâŠ
With that in mind, the client I am using exhibits the same issues (no audio in my caseâŠ)with any AC3 file, specifically 5.1 encoded versions.
Here is a typical Mediainfo breakout:
Audio
ID : 2
Format : AC-3
Format/Info : Audio Coding 3
Mode extension : CM (complete main)
Format settings, Endianness : Big
Codec ID : A_AC3
Duration : 42 min 56 s
Bit rate mode : Constant
Bit rate : 384 kb/s
Channel(s) : 6 channels
Channel positions : Front: L C R, Side: L R, LFE
Sampling rate : 48.0 kHz
Frame rate : 31.250 FPS (1536 spf)
Bit depth : 16 bits
Compression mode : Lossy
Delay relative to video : -83 ms
Stream size : 118 MiB (14%)
Default : Yes
Forced : No
As far as the specific client, it is a âGenericâ android box, but more specifically the ânewerâ A95x NexBox:
From a review of the unit, Kodi has no issues with PCM output, but Plex does, based on my real world useage.
With these factors in mind, it truly does appear that Plex has issues with AC3 playback across a myriad of devices. With the Media Decision engine deciding what needs to be transcoded (to what formatâŠ) based on the client profile, it must be a Plex âthingâ since the files direct play capable⊠right?
@bzfoster said:
On the Plex app for Fire TV (2nd Gen) if I have the option Settings â Audio â Dolby Digital (AC3) enabled, AAC 5.1 audio will cut out randomly. Some times as frequently as every few seconds. When I disable that setting, I believe it is transcoding the audio but it no longer cuts out. Attaching logs with the setting enabled and then disabled for comparison.Audo information from plex:
Codec AAC
Channels 5.1
Duration 21:56
Profile lc
Sampling Rate 48000 Hz
Hereâs a thread old enough to start drawing social security:
https://forums.plex.tv/discussion/221784/skipping-audio-on-fire-tv-4k-box
May even be the same issue.
(are you starting to get a feel for whatâs making the rest of us a little irritable?)
I have the same issue and it has been driving me nuts figuring out. Thank you for the work around.
Wouldnât it be awesome if this ever got fixed. How do we get Plex to acknowledge this?
having the same problem with 4k Remux movies (files larger than 45gb) only happens on my samsung tv. LG tv does not have the sound problem but instead will buffer every few minutes (on the same video)
Same here, FireTV 4k and PlexPass audio suttering random on multichannel (Intel NUC i3 8th gen as plex server).
Really annoying.
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