[Q] Is android able to put out 7.1 audio through hdmi? - General Questions and Answers

This is kinda of a crazy question. I was wondering if it were possible to play a video (with a player that can play .mkv) through hdmi and a receiver recognize it as dts. For example if i had a .mkv video file with dts-hd audio would i be able to watch it over hdmi with 7.1? Is it possible?

Good question... Wouldn't mine knowing the answer either. Even if not.. most AV Receivers will at less simulate 5.1 or 7.1 etc

This site has some 7.1 videos http://www.demo-world.eu/trailers/high-definition-trailers.php
Can somebody with a hdmi mirror hack and a hefty processor try and see if it works on a 7.1 receiver?
qqplayer and mobo player claim to play .mkv.

I have a 5.1 setup

ediesel18 said:
This is kinda of a crazy question. I was wondering if it were possible to play a video (with a player that can play .mkv) through hdmi and a receiver recognize it as dts. For example if i had a .mkv video file with dts-hd audio would i be able to watch it over hdmi with 7.1? Is it possible?
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i think it is not possible

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720p MKV playback

Ok, I've been struggling with this and doing all sorts of research, but I can't seem to piece together a definitive answer. This is what I know (or think I know anyhow)
1) H264 will play just fine from more or less any video player as long as you have the decode mode set right. this seems to be why so many people swear to their particular player (and I've tried so many, moboplayer, dice, etc etc.)
2) H364 is just pure crap because Tegra2 just can't handle it. Something with proprietary codecs or some such.
Now, experimenting with different HD files over the time I've owned my TF, some play and some don't. I've heard others claim otherwise. If anybody can guarantee they can play ANY , really ANY HD mkv file (H364 without re-encoding included) I'd like to know what ROM/app you're using (and I'm sure a lot of others would too). I'm sick of having to pick out/convert my movies all the time.
I'd really like to put this thing to rest.
I hear ya I dont want to re-encode my library either but becuase I cant stand not knowing I have been doing some testing to see what the problem is with not being able to play all files. I have discovered that that the Transformer does not like 5.1 channel AAC audio. I can encode any video to MP4 and it plays great when I set the audio to stereo but when I try with 5.1 AAC MP4 files it no worky. 5.1 AC3 seems to be ok. I too have tried many players from the market and get different results with each one using the 5.1 setting (such as stuttering or lagging or I think it was BS player would only play the rear channel audio) but setting my encoding output to stereo they all play fine. I was on the Google Android Developers site and it stated stereo only was supported for honeycomb so maybe the ICS upgrade will fix this issue? In the meantime I plan on continuing testing different bit rates and audio settings to try and get to the bottom of this. Sorry in advance if this did not help you.
MX player- plays anything i throw at it. make sure you get the Arm7 codec pack too.
bob dylan said:
MX player- plays anything i throw at it. make sure you get the Arm7 codec pack too.
Click to expand...
Click to collapse
I like very much the MX player and it is true it plays mkr videos fine but I do not have sound... I have the ARMv7 codec pack (only this one) do you get sound?
Instead, to play and hear mkv I use DicePlayer Ad. with Dice player plugin for tegra2.
(I am unrooted)
Use software for audio (but hw for video)
Christian Troy said:
Use software for audio (but hw for video)
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The problem with this is that most players out there only let you use one decoding mode for both video AND audio. what player lets you do what you're saying?
wehweh said:
The problem with this is that most players out there only let you use one decoding mode for both video AND audio. what player lets you do what you're saying?
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Click to collapse
Mx video with the codec pack as said previously.
I'll be sure to try it once I get home.
MX player will play the movies just fine but the issue is with the audio. The Transformer has a problem playing audio encoded with 5.1 & 6.1.
Christian Troy said:
Use software for audio (but hw for video)
Click to expand...
Click to collapse
It worked great! thanks a lot!!

[Q] 5.1 output / pass trough over HDMI

Hello,
i just purchased MX Player Pro.
Will there be an option to output/pass through 5.1 Sound (ac3, DTS) over HDMI?
I am missing this option because my AV-Receiver can decode 5.1 ac3 and dts-Audio.
Greets,
Hinz
....i dont use the PRO version... but if it's support 5.1 Output i will pay for it....(output from my TV with optical digital connection)
At the moment there is no Streaming Player (afaik) with 5.1 Support on Android... using MX Player on FireTV Stick and it's only Stereo ...thats ugly.. Streaming Movies vom Database or LiveTV in Stereo if you see 5.1 Movies....
Only Working methode is if you put MP4 Videofiles directly on the Stick an Play it with ES File Explorer.. then its Dolby Digital...but thats no way ^^

Nexus player & gamepads shipping

Ordered nexus player and gamepad first day on playstore. Just received shipping confirmation with tracking info.
I paid for overnight shipping so I am expecting shipment November 6th, 2014.
Anyone else got their shipping info?
You don't happen to use plex do you OP?
Yes mine will be here Friday. And for the guy above, I use Plex. Want something tested?
Sent from my Nexus 5
sublimnl said:
Yes mine will be here Friday. And for the guy above, I use Plex. Want something tested?
Sent from my Nexus 5
Click to expand...
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Good ol' XBMC ? I'm interested to see how the x86 build (Kodi Beta 1) runs incl. support for bitstreaming HD audio over HDMI
and how far you can push H.264 1080p decoding (> 20 Mbps ??).
I'm still a bit sceptical about x86 Android with the push from Intel.
loekf said:
Good ol' XBMC ? I'm interested to see how the x86 build (Kodi Beta 1) runs incl. support for bitstreaming HD audio over HDMI
and how far you can push H.264 1080p decoding (> 20 Mbps ??).
I'm still a bit sceptical about x86 Android with the push from Intel.
Click to expand...
Click to collapse
XBMC is on my list to get up and running anyway so I'll definitely test it.
Sent from my Nexus 5
controllers will be here today. i ordered two players but no ship date yet for those.
sublimnl said:
Yes mine will be here Friday. And for the guy above, I use Plex. Want something tested?
Sent from my Nexus 5
Click to expand...
Click to collapse
If you could check what it can direct stream that'd be great.
AstroZombie1 said:
If you could check what it can direct stream that'd be great.
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Click to collapse
+1
Also be sure to max out the quality settings in Plex. By default, and after every updated they change back to low setting that makes most stuff transcode rather than direct stream.
Also let us and Plex know if you get any pauses while playing content, or if it gets stuck on the last frame of direct streaming content like it does on the ADT-1... I been trying to get Plex dev's to acknowledge this for ages.
sublimnl said:
Yes mine will be here Friday. And for the guy above, I use Plex. Want something tested?
Sent from my Nexus 5
Click to expand...
Click to collapse
I'd love to know what codecs/containers both the integral atom can decode using MX player, etc as well as what XBMC/kodi can deal with on a mapped network drive with streamed native content (mkv, mp4, m4v, avi, x264, xvid, mpeg, ac3, aac, dts, mp3, etc). Thanks for offering to test!
Luxferro said:
Also let us and Plex know if it gets stuck on the last frame of direct streaming content like it does on the ADT-1... I been trying to get Plex dev's to acknowledge this for ages.
Click to expand...
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Not sure what you mean here. Can you explain?
Sent from my Nexus 5
sublimnl said:
Not sure what you mean here. Can you explain?
Sent from my Nexus 5
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Click to collapse
Well for me and a few others who have ADT-1's and post on the Plex forums. We've been having an issue where on the last frame of a movie/tv show it will stop/pause on that frame, rather than gracefully return to the previous screen. But it only happens when content is direct streaming the video and transcoding the audio. Most likely all audio will be transcoded because if it has better than stereo sound, it will be transcoded to stereo, since that is all android built in media player (exoplayer) will output for non-google apps (they are supposedly working on adding AC3 passthrough).
As for the other comment about pauses, since the last plex release movies just seem to randomly pause requiring a fastforward/rewind/ or stop/play to get going again... not sure the conditions that this occurs for (transcoding, direct stream, ect).
Luxferro said:
... Most likely all audio will be transcoded because if it has better than stereo sound, it will be transcoded to stereo, since that is all android built in media player (exoplayer) will output for non-google apps (they are supposedly working on adding AC3 passthrough). ...
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Click to collapse
Good lord, I didn't know that was an issue. It'd be an extremely poor livingroom media box if all networked streamed media was stereo only! The chromecast was recently updated with AC3 passthrough (finally) and has always supported AAC 5.1 via LPCM, but the chromecast still has no DTS passthrough just yet.
If Android has the same limitations as ChromeOS this will be a terrible media box indeed.
Elrondolio said:
Good lord, I didn't know that was an issue. It'd be an extremely poor livingroom media box if all networked streamed media was stereo only! The chromecast was recently updated with AC3 passthrough (finally) and has always supported AAC 5.1 via LPCM, but the chromecast still has no DTS passthrough just yet.
If Android has the same limitations as ChromeOS this will be a terrible media box indeed.
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Click to collapse
Yeah, it sucks. But at least I got a Google engineer to comment on G+. He said they are working on adding it. Alternatives are virtual surround sound on your receiver, or using a different media player (MX, XBMC, ect), since it's just software related.
I dunno why they don't just add options to passthrough all audio... do they need licenses to passthrough audio? If so they seems pretty stupid. How does XBMC get by with passthrough.... I'm sure they don't pay for licenses.
Luxferro said:
Yeah, it sucks. But at least I got a Google engineer to comment on G+. He said they are working on adding it. Alternatives are virtual surround sound on your receiver, or using a different media player (MX, XBMC, ect), since it's just software related.
I dunno why they don't just add options to passthrough all audio... do they need licenses to passthrough audio? If so they seems pretty stupid. How does XBMC get by with passthrough.... I'm sure they don't pay for licenses.
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Click to collapse
A license is indeed technically required to passthrough (which, as you state, is really stupid), however Roku somehow squeaked around that issue to support passthrough... they wouldn't detail how in their forums but did confirm that they did NOT get a license. Unfortunately the Roku isn't the best media box either as they don't internally transcode AAC 5.1 to LPCM, only downmix to stereo.
I would think a box as powerful as the Nexus Player would impliment internal transcoding of all 5.1 formats to LPCM 5.1 as the PS3 does, or give the option to passthrough. Heck, even my $79 blu-ray player from Sony transcodes AAC 5.1 to LPCM 5.1 and directly passes through AC3 and DTS. Google isn't a tiny op (like Roku)... this situation on Android, if it does exist on the Nexus Player, needs to be addressed ASAP.
I'm also very interested in which codecs are supported with plex. My Samsung tv does a tremendous job in playing more or less everything direct play. Chromecast on the other hand only do x264 (preferably in mp4 container). I have remuxed several of my dvds to mkv and kept the MPEG 2 video and ac3/DTS streams. Good for archiving. I wonder if Nexus player can handle at least MPEG 2. Ac3 seems to be under development for passthrough.
I also really hope they have not included cinavia protection!
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Elrondolio said:
A license is indeed technically required to passthrough (which, as you state, is really stupid), however Roku somehow squeaked around that issue to support passthrough... they wouldn't detail how in their forums but did confirm that they did NOT get a license. Unfortunately the Roku isn't the best media box either as they don't internally transcode AAC 5.1 to LPCM, only downmix to stereo.
I would think a box as powerful as the Nexus Player would impliment internal transcoding of all 5.1 formats to LPCM 5.1 as the PS3 does, or give the option to passthrough. Heck, even my $79 blu-ray player from Sony transcodes AAC 5.1 to LPCM 5.1 and directly passes through AC3 and DTS. Google isn't a tiny op (like Roku)... this situation on Android, if it does exist on the Nexus Player, needs to be addressed ASAP.
Click to expand...
Click to collapse
The ADT-1 can decode 5.1, and output multichannel PCM, but only for select google apps; like Play Movies, ect.
When you think about it, HDMI cables should require a license to transfer AC3 and DTS from point A to B....lol I don't see how passthrough audio w/o decoding or touching it is any different.
---------- Post added at 05:19 PM ---------- Previous post was at 05:15 PM ----------
Johan1976 said:
I'm also very interested in which codecs are supported with plex. My Samsung tv does a tremendous job in playing more or less everything direct play. Chromecast on the other hand only do x264 (preferably in mp4 container). I have remuxed several of my dvds to mkv and kept the MPEG 2 video and ac3/DTS streams. Good for archiving. I wonder if Nexus player can handle at least MPEG 2. Ac3 seems to be under development for passthrough.
I also really hope they have not included cinavia protection!
Skickat från min GT-I9505 via Tapatalk
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Plex uses what ever media player is built in to said device. For Android, it's exoplayer. On your Samsung TV (and my own), it's Samsung's media player and their APIs that Plex use.
I know it uses internal player like exoplayer, but which codecs are supported with exoplayer on nexus player?
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Luxferro said:
The ADT-1 can decode 5.1, and output multichannel PCM, but only for select google apps; like Play Movies, ect.
When you think about it, HDMI cables should require a license to transfer AC3 and DTS from point A to B....lol I don't see how passthrough audio w/o decoding or touching it is any different.
---------- Post added at 05:19 PM ---------- Previous post was at 05:15 PM ----------
Plex uses what ever media player is built in to said device. For Android, it's exoplayer. On your Samsung TV (and my own), it's Samsung's media player and their APIs that Plex use.
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I couldn't agree more about the HDMI cable license as that would be common sense... the whole license deal is so screwed up for both audio and video and always has been. But Google could clearly afford to license properly for their media boxes!
As for Plex: its doubly important what the Nexus Player natively supports for those running Plex servers on non-Intel NAS devices such as most Synology NASes. Those don't have the power to transcode so Plex can only direct/bitstream for both video and audio. The Nexus Player needs to be robust in its native container and codec support to exist in a livingroom.
I wonder how kodi gets around the walled garden to bitstream properly over android's hdmi, or do they? I've never run XBMC/kodi on android.
Elrondolio said:
I wonder how kodi gets around the walled garden to bitstream properly, or do they on Android?
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Click to collapse
They have it on Android. You need to enable expert settings then its listed. I just installed it the other day so I could watch something without it pausing all the time.
I'm sure as soon as the masses get their nexus players and complain to Plex they won't be able to ignore us on the bugs; like the pausing issue in their last android release.
Sent from my Nexus 5 using Tapatalk
Luxferro said:
They have it on Android. You need to enable expert settings then its listed. I just installed it the other day so I could watch something without it pausing all the time.
Click to expand...
Click to collapse
Have you tested a bunch of containers and codes on the ADT-1's kodi? If it has native passthrough for both AC3 and DTS, does it also transcode AAC 5.1 to multichannel PCM or downmix to stereo PCM? I assume it natively supports all kinds of containers considering what the PC version can do, but it'd be great to try a variety to verify. How about xvid and/or mpeg-2? I'd also be interested how it supports .flac and other uncompressed audio codecs.
Luxferro said:
I'm sure as soon as the masses get their nexus players and complain to Plex they won't be able to ignore us on the bugs; like the pausing issue in their last android release.
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
I sure hope so... hopefully we can encourage people here to all send bug reports and complaints.

Shield K1 and HD Audio?

I know it is a bit overkill for a tablet, but considering X1's performance (same gpu,just more cores), it would be nice to know if the K1 can passthrough Hd audio via it's hdmi port.
Anyone tried ?
HI there! I'm very sorry but I wasn't active in this forum at XDA before now. I've been experimenting with this topic for some time now.
YES, The Shield tablets (regardless of versions) can passthrough bit-perfect sound, both stereo or 5.1 (and higher, depending on your stereo equipment).
So here's the deal:
1. You'll need an HDMI audio extractor. I recommend Monoprice's HDMI audio extractors, although there are slightly less expensive models out there, you can't really trust their specs.
2. A standard HDMI audio extractor can passthrough both digital (coaxial or TOSLINK S/PDIF) or digital-to-analog out. For surround sound you'll want an HDMI audio extractor with surround sound outputs.
Essentially it comes down to the media player you'll be using.
I've tested MX Player (with the custom codec loaded), VLC Player for Android, and Kodi. All can do passthrough IF you're using an HDMI extractor that will be identified as such (stereo-only or surround-sound capable) via HDMI. This critical.
Older versions of Kodi they called the "****ty" builds used LPCM bit-hacking to force a passthrough via HDMI. Newer releases require that a HDMI device handshake occurs so the media player will allow an appropriate passthrough to occur.
Unless you will be playing .MP4 files w/ 5.1 surround sound, I recommend MX Player for most music and video files. Passthrough works well on it when set up correctly. VLC is ok too, but the interface leaves something to be desired in my opinion.
Kodi can decode/passthrough 5.1 and higher via HDMI from .MP4 and other files although the user interface is less simplistic.

How configure HDMI passthrough on MX Player 1.9.1

Hi,
The release notes says that it Support HDMI passthrough of Audio HD codecs.
But I can not figure out how to configure it.
Thanks,
arindamchoudhury said:
Hi,
The release notes says that it Support HDMI passthrough of Audio HD codecs.
But I can not figure out how to configure it.
Thanks,
Click to expand...
Click to collapse
HDMI pass through is automatically used when the connected device can decode Audio HD codecs like ac3, TrueHD, DTS, etc.
Thirumalai.K said:
HDMI pass through is automatically used when the connected device can decode Audio HD codecs like ac3, TrueHD, DTS, etc.
Click to expand...
Click to collapse
Thanks. Does it also work in HW+ mode?
arindamchoudhury said:
Thanks. Does it also work in HW+ mode?
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Yes. HDMI Passthrough will be used when the codec is not supported by the MX Player & The same is supported by the device connected through HDMI.
We will improve it further in future to have more controls on the user side.
Thirumalai.K said:
Yes. HDMI Passthrough will be used when the codec is not supported by the MX Player & The same is supported by the device connected through HDMI.
We will improve it further in future to have more controls on the user side.
Click to expand...
Click to collapse
Hi dev. I tried with many 4k with AC3 or DTS streaming.. but i can't get audio work..
I use MX player 1.9.8 pro on my sony 9005 android tv, connected to the ampli by HDMI/ARC cable.
In codec menu, i check any kind of hardware supported codec.. and deselect SW render (only HW+ for video/audio).. but can't hear anything from my speaker..
With other app (for local file streamiing), amplifier automatically detect the audio format and give me on it display the correct format (DTS or DD).
With MX player pro and local/iptv streaming, i can't get it work.
Any idea?
Thank'you!!!
Thirumalai.K said:
Yes. HDMI Passthrough will be used when the codec is not supported by the MX Player & The same is supported by the device connected through HDMI.
We will improve it further in future to have more controls on the user side.
Click to expand...
Click to collapse
Hi
I must say that in 1.9.8 with HW+ there is no 5.1 sound passthrough to my Apmplituner No DD and no DTS.
In HW there is 5.1 passthrough to my Ampli but only DTS 5.1. Amplituner sees Dolby Digital but plays only in 2.0 - I don't know why but there is a problem with DD.
Best regards
I'm using android TV on Philips POS 9002
lukcinek said:
Hi
I must say that in 1.9.8 with HW+ there is no 5.1 sound passthrough to my Apmplituner No DD and no DTS.
In HW there is 5.1 passthrough to my Ampli but only DTS 5.1. Amplituner sees Dolby Digital but plays only in 2.0 - I don't know why but there is a problem with DD.
Best regards
I'm using android TV on Philips POS 9002
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Click to collapse
I'm having the same problem. Has anyone found a solution?
kludi9999 said:
I'm having the same problem. Has anyone found a solution?
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Click to collapse
Unfortunately, no. The only way is attempting to force pass through even if the hardware doesn't report the decoding capability. We will highlight this with our development and will get it prioritized for you.
MXPlayer said:
Unfortunately, no. The only way is attempting to force pass through even if the hardware doesn't report the decoding capability. We will highlight this with our development and will get it prioritized for you.
Click to expand...
Click to collapse
Oh wow, thanks for response! I really appriciate for "prioritizing" this! I looking forward for update then .
Hi
How the work is going? When should except Update with Passthrough on MX Player?
Hdmi passthrough
Hi everybody,
I tried to play movies using default video player of the Android tv and it supports 5.1 Dolby digital passthrough via HDMI ARC. But passthrough using 3rd party video players like MX player, Kodi doesnt seems to decode the 5.1 audio where as PCM works just fine.
My TV: TCL 55 P8
AUDIO System: SONY HT IV300
Hi all,
I have also problem with audio passthrough over HDMI, I try to run Dolby Atmos on my Nvidia Shield, problem what I faced now is when I have video with Dolby Atmos it need HW+ to work but passthrough work only on HW decoder,
Also I cannot select subtitles from mkv video with HW decoder,
MX Player v1.25.8 (AndroidTV)
Device: Nvidia Shield
Audio: Yamaha RX-A2080
On going issue
This has been an on going issue with MX for years, I reported this over 3 years ago and still no solution. Stock reply is they're looking at it!
A simple forced pass through like VLC would do the job for most users with an amp but it's yet to come.
Even the pro version won't allow forced pass through.
Is this issue solved? What im looking for is play dolby digital movie in my android smart tv and get 5.1 sound from my sony e6100 home theater via HDMI ARC. It seems MX cant handle this.
Necro join. MX sends everything as dd2.0 regardless of any settings.
As mentioned above this has been a issue for years. When you mention it on other forums the common response is "Install the codecs" which doesnt work in this situation. A year or so ago I sent mxplayer support a email and got the arrogant response of "Mxplayer app is the ONLY app that properly detects if hdmi-passthrough should be enabled, otherwise very very bad things can happen." Well guess Im damn lucky my receiver hasnt burst into flames when pretty much any other player in existence uses it. Either the developer doesnt have the skill to correct this, or doesnt care. In my search I did find a similiar app that I hadnt heard of that works very well. Vimu Player.

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