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Samsung UE49KU6450 : No sound when playing a video with the codec he-aac / lc


marc_al

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marc_al

Hello,

 

I have tried to use my new TV with Emby (DLNA).

I have a problem with some videos. After looking at in the profiles, I have seen that the videos having a problem are the ones with the codec  he-aac / lc.

So I have tried to see how to use this informations and I saw in a system profile that I could use

<ProfileCondition condition="NotEquals" property="AudioProfile" value="he-aac" isRequired="false" />
 

So I have added for the standard samsung profile a line

<CodecProfile type="VideoAudio" codec="aac">
      <Conditions>
        <ProfileCondition condition="LessThanEqual" property="AudioChannels" value="6" isRequired="true" />
        <ProfileCondition condition="NotEquals" property="AudioProfile" value="he-aac" isRequired="false" />
        <ProfileCondition condition="NotEquals" property="AudioProfile" value="he-aac / lc" isRequired="true" />
      </Conditions>
    </CodecProfile>

 

(and of course I have removed the aac in the other video line).

After that, I saw that there was still no transcode. In Emby, the profile of the aac seems to be LC (there is no mention of he-aac like in Plex for example).

So I guess there is something wrong in Emby?

 

In the meantime, I have disabled the aac in the mp4 / mkv and now Emby tried to encode and I have an error (An unexpected error encountered)

I have seen that If I say

enableMpegtsM2TsMode = true

estimateContentLength = true

The error disapears, but the transcoding seems to takes ages and sometimes I have an error talking about the network connection (it is "better" as I have to wait a few moment to have the error).

 

Can you please help me?

What am I missing?

 

EDIT : I have seen that a small file (20 minutes talks about 26 GB after the transcode. Perhaps the bitrate reported is too high? Is it possible to specify a bitrate in the profile?)

Thank you

Marc

remux-546cf71d-d4e6-4662-b0c8-85945a199285.txt

SamsungSmartTVMarc.xml

server-63604627176.txt

server-63604627367.txt

Edited by marc_al
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hi, welcome. if LC is what comes out of ffprobe then that's what we display under media info. i would try using that in the dlna profile.

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marc_al

Hello,

Thank you for the reply.

The working video is LC, the non working is LC too (with Emby).

With MediaInfo : the working Video has

 

Format                                   : AAC
Format/Info                              : Advanced Audio Codec
Format profile                           : LC
Codec ID                                 : A_AAC
Duration                                 : 24mn 5s
Bit rate                                 : 128 Kbps
Channel(s)                               : 2 channels
Channel positions                        : Front: L R
Sampling rate                            : 44.1 KHz
Frame rate                               : 43.066 fps (1024 spf)
Compression mode                         : Lossy
Delay relative to video                  : -83ms
Stream size                              : 22.1 MiB (7%)
Language                                 : Japanese
Default                                  : Yes
Forced                                   : No

 

 

The Non working video has

Audio
ID                                       : 2
Format                                   : AAC
Format/Info                              : Advanced Audio Codec
Format profile                           : HE-AAC / LC
Codec ID                                 : 40
Duration                                 : 24mn 5s
Bit rate mode                            : Variable
Bit rate                                 : 128 Kbps
Maximum bit rate                         : 139 Kbps
Channel(s)                               : 2 channels
Channel positions                        : Front: L R
Sampling rate                            : 88.2 KHz / 44.1 KHz
Frame rate                               : 43.066 fps (1024 spf)
Compression mode                         : Lossy
Stream size                              : 22.1 MiB (9%)
Title                                    : Stereo

 

EDIT :

With ffprobe I have  (not Working)

Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 88200 Hz, stereo, fltp, 127 kb/s (default)

 

And Working :

Stream #0:1(jpn): Audio: aac (LC), 44100 Hz, stereo, fltp (default)

 

Do you have an idea about how do distinct different streams (at the moment it is not important as it seems that the TV doesn't accept transcoded streams?

Also is there an option to specify the bitrate of the transcoding target?

Thank you again

Marc

Edited by marc_al
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Hi, regardless of what media info says, I would use the values that you see in the web interface because that's the way that ffmpeg and ffprobe interpret it, which is what we use. does that make sense? thanks.

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