# Audio shows two formats **URL:** \ **Category:** Plex Media Server\ **Tags:** server-windows\ **Created:** [September 9, 2021, 3:45pm UTC](https://forums.plex.tv/t/audio-shows-two-formats/742059 "2021-09-09T15:45:13Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![desmondlewissmith](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/desmondlewissmith/32/17782_2.png) [@desmondlewissmith](https://forums.plex.tv/u/desmondlewissmith)\ **Post date:** [September 9, 2021, 3:45pm UTC](https://forums.plex.tv/t/audio-shows-two-formats/742059/1 "2021-09-09T15:45:13Z")
Is this something new? I have an audio file that is supposed to be DD 7.1, but it shows as EAC3 5.1. If I choose the dropdown in (browsing via web browser on my PLEX server), it shows that it’s DD-7.1 ch in grey. I’ve attached a picture. Server Version#: 4.62.1 Player Version#: Browsing via Firefox ![Capture](https://global.discourse-cdn.com/plex/original/3X/f/6/f6b4a48c91d481afa048490b06f166ac3275ccd6.png) ---
**Author:** ![tom80H](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/tom80h/32/19753_2.png) [@tom80H](https://forums.plex.tv/u/tom80H)\ **Post date:** [September 9, 2021, 4:19pm UTC](https://forums.plex.tv/t/audio-shows-two-formats/742059/2 "2021-09-09T16:19:31Z")
`DD+7.1 ch` is the track description from within your file (track metadata). Plex has been displaying those for some time – though not yet on all clients. **[from the related feature suggestion]** > [@Show names for audio tracks and subtitles \[in all apps\]](https://forums.plex.tv/t/show-names-for-audio-tracks-and-subtitles/73435/288): > > I’ve received a few updates from users pointing out this is not actually available on all platforms – though most key platforms have it by now. Therefore I’m re-opening this thread. However I’d like to include a short “inventory” in order to focus this a bit. Please feel free to give a short heads-up about the missing platforms in this list. Extended track titles availability Platform Audio Subtitles Remark Plex Webwhite_check_markwhite_check_markfully supported since [v4.39.1](https://forums.plex.tv/t/plex-web/20528/330) … # Basically the grey part is just a string from the track metadata itself while the header (`English (EAC3 5.1)`) is the actual technical details (language + codec/profile). So from the looks of it you got an English language 5.1 EAC3 track that’s been labelled as “DD+7.1 ch”. If you want to be super sure you can check out the file using MediaInfo (or check out the `Get Info` overview from within Plex). [https://support.plex.tv/articles/201998867-investigate-media-information-and-formats/](https://support.plex.tv/articles/201998867-investigate-media-information-and-formats/) ---
**Author:** ![desmondlewissmith](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/desmondlewissmith/32/17782_2.png) [@desmondlewissmith](https://forums.plex.tv/u/desmondlewissmith)\ **Post date:** [September 9, 2021, 4:49pm UTC](https://forums.plex.tv/t/audio-shows-two-formats/742059/3 "2021-09-09T16:49:10Z")
![Capture2](https://global.discourse-cdn.com/plex/original/3X/1/8/186055ba71d9d3ed58ac982395ae51ddbb5b426f.png) Interesting enough, the media info shows DD 7.1 as well. ---
**Author:** ![tom80H](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/tom80h/32/19753_2.png) [@tom80H](https://forums.plex.tv/u/tom80H)\ **Post date:** [September 9, 2021, 4:52pm UTC](https://forums.plex.tv/t/audio-shows-two-formats/742059/4 "2021-09-09T16:52:27Z")
The more critical part is that it shows 8 channels – the “DD+7.1 ch” part is just the title (custom string). What is showing in the `Get Info` dialog inside Plex – preferably after triggering `Analyze` for that item? ---
**Author:** ![desmondlewissmith](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/desmondlewissmith/32/17782_2.png) [@desmondlewissmith](https://forums.plex.tv/u/desmondlewissmith)\ **Post date:** [September 9, 2021, 4:55pm UTC](https://forums.plex.tv/t/audio-shows-two-formats/742059/5 "2021-09-09T16:55:47Z")
Media ``` Duration 2:29:55 Bitrate 14334 kbps Width 1920 Height 804 Aspect Ratio 2.35 Video Resolution 1080p Container MKV Video Frame Rate 24p Video Profile high ``` Part ``` Duration 2:29:55 File Movie 2021 Director’s Cut 1080p BluRay DD+7.1 x264-LoRD.mkv Size 15.01 GB Container MKV Has Thumbnail 1 Video Profile high Codec H264 Bitrate 14142 kbps Language English Language Tag en Bit Depth 8 Chroma Location left Chroma Subsampling 4:2:0 Coded Height 816 Coded Width 1920 Color Primaries bt709 Color Range tv Color Space bt709 Color Trc bt709 Frame Rate 23.97599983215332 fps Height 804 Level 4.1 Profile high Ref Frames 5 Scan Type progressive Width 1920 Display Title 1080p (H.264) Extended Display Title 1080p (H.264) Codec EAC3 Channels 6 Bitrate 1024 kbps Language English Language Tag en Audio Channel Layout 5.1(side) Sampling Rate 48000 Hz Title DD+7.1 ch Display Title English (EAC3 5.1) Extended Display Title DD+7.1 ch (English EAC3 5.1) Codec AC3 Channels 2 Bitrate 192 kbps Language English Language Tag en Audio Channel Layout stereo Sampling Rate 48000 Hz Title Commentary by Producer/co-Writer/Director JL. Display Title English (AC3 Stereo) Extended Display Title Commentary by Producer/co-Writer/Director JL. (English AC3 Stereo) Codec SRT Language English Language Tag en Display Title English (SRT) Extended Display Title English (SRT) Codec SRT Language English Language Tag en Title SDH Display Title English (SRT) Extended Display Title SDH (English SRT) Codec SRT Language English Language Tag en Title Commentary Display Title English (SRT) Extended Display Title Commentary (English SRT) ``` ---
**Author:** ![tom80H](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/tom80h/32/19753_2.png) [@tom80H](https://forums.plex.tv/u/tom80H)\ **Post date:** [September 9, 2021, 5:01pm UTC](https://forums.plex.tv/t/audio-shows-two-formats/742059/6 "2021-09-09T17:01:37Z")
Seems to be related to how ffmpeg is detecting those tracks. Apparently there’s a special encoding of 7.1 formats to make them compatible w/ 5.1 layouts where ffmpeg will identify the track as 5.1 / 6 channel format. There’s a longer thread about the technical details. From doing a quick scan over the thread it seems ffmpeg has released a newer version that should handle such tracks better – no ETA as for when Plex will incorporate that version > [@EAC3 7.1 (Dolby Digital Plus 7.1) Incorrectly Labelled as EAC3 5.1](https://forums.plex.tv/t/eac3-7-1-dolby-digital-plus-7-1-labelled-playing-back-as-eac3-5-1/731773/6): > > Plex’s transcoder is based on ffmpeg and that’s what is used to analyze media files. Specifically ffprobe. As you mentioned in your original post, ffmpeg/ffprobe detects these types of audio as 5.1. To be clear, it’s these 7.1/5.1 combined tracks. A single 7.1 track is identified properly. If ffmpeg/ffprobe ever detects these properly, then so will Plex. If the audio is being direct played, then you should still be getting 7.1, since Plex does not alter the audio track when direct played. … ---
**Author:** ![system](https://global.discourse-cdn.com/plex/original/3X/2/a/2acb9765406f63293d357b4ec509ec39aa28f2ad.png) [@system](https://forums.plex.tv/u/system)\ **Post date:** [December 8, 2021, 5:02pm UTC](https://forums.plex.tv/t/audio-shows-two-formats/742059/7 "2021-12-08T17:02:03Z")
This topic was automatically closed 90 days after the last reply. New replies are no longer allowed.