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  April 4, 2018 - 11:41am
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Ok good to know, thanks.

  April 4, 2018 - 12:15pm
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  james wrote:

With Infuse set to Auto, it will send PCM to the Apple TV. The Apple TV then uses some fancy logic to determine the capabilities of the device your Apple TV is connected to. If it supports 8 channels of PCM, then that's what the Apple TV will send. If it only supports 2 channels (like some TVs), then it will send 2. If it doesn't support PCM, but supports Dolby then it will send the audio as Dolby instead of PCM.

Ok, so if your downstream device supports the following PCM(2.0), DD(5.1), DD+(5.1), TrueHD(5.1.4 Atmos), DTS(5.1), then what will be sent from the Apple TV?, with Infuse (Auto) Apple TV (Best Quality). Can I assume DD(5.1)?

  April 4, 2018 - 12:18pm
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  steve.waite wrote:

Ok, so if your downstream device supports the following PCM(2.0), DD(5.1), DD+(5.1), TrueHD(5.1.4 Atmos), DTS(5.1), then what will be sent from the Apple TV?, with Infuse (Auto) Apple TV (Best Quality). Can I assume DD(5.1)?

Yes, it should be DD 5.1.

You can also force DD 5.1 by switching from Best Quality Available to Dolby Digital.

Infuse 6 for iOS and Apple TV is now available!

  April 4, 2018 - 4:19pm
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  james wrote:

Yes, it should be DD 5.1.

You can also force DD 5.1 by switching from Best Quality Available to Dolby Digital.

Ok, thanks.

  April 5, 2018 - 12:09am
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Since I’m very upset about this error in tvOS 11.3 (the passthrough of audio isn’t working anymore) I’ve requested a solution at my local Apple Store. I wanted the software version 11.2.6 again on my device or a “new” device which wasn’t updated yet. After some discussion they guaranteed me the “new” device with the old software version. But my question is, how can I setting up my “new” AppleTV 4K without the Device does automatic update on a new Version (11.3) on the first
Setup.
I have yet received a „new“ AppleTV 4K in a change to my old device with 11.3. my new one has 11.2.1 and I am very careful with future updates. Thanks to my local Apple Store the change my 4K AppleTV !🤗

  April 5, 2018 - 12:42am
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Damn it! I have to downgrade my Apple Tv 4k to 11.2.6. Anyone knows how to do that? I have one OTG CALBLE NOW

  April 5, 2018 - 1:01am
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What is a OTG CALBLE ?
Ok, i understand now but AppleTV 4K has no USB Port !

  April 5, 2018 - 11:45am
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  Sizhai81 wrote:

Damn it! I have to downgrade my Apple Tv 4k to 11.2.6. Anyone knows how to do that? I have one OTG CALBLE NOW

Since there is no longer a port available for users your only option is to take it into an Apple store or work through Apple customer service as noted in the post directly above your's where the poster got Apple to replace their ATV4K.

Your only other option is to wait for Apple to fix it in a tvOS update so you may want to call Apple and file a complaint.

•Just Another Infuse User• •Not An Employee Of Firecore• •Certified Curmudgeon•

  April 5, 2018 - 2:34pm
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Still not working on tvOS 11.4 beta 1

Firecore team - what do you know about what Apple has changed to break this? What are the potential workarounds you mention if Apple doesn’t resolve it their end?

  April 5, 2018 - 3:08pm
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  dgsgc wrote:

The same issue as the original poster and others. My reciever isn’t capable of lpcm so am only getting DD5.1, used to get DTS before the upgrade.

Your suggestion just results in an extremely loud hiss when trying to run it how it was pre update.

Obviously it’s not a major issue dealing with DD5.1 while it’s fixed but your posts sound like a pre-emptive excuse as to why we can’t get DTS as we did before. Sorry if I am misunderstanding you or doing something wrong.

Which receiver model do you have? Honestly this is the first time I hear that a receiver with HDMI inputs would not support (L)PCM decoding but DTS/AC3 decoding. I'm pretty sure every receiver decoder chip in existence that can support DTS/AC3 also supports (L)PCM, as (L)PCM is the most trivial format to implement.

  April 5, 2018 - 3:43pm
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  nickpicker wrote:

Which receiver model do you have? Honestly this is the first time I hear that a receiver with HDMI inputs would not support (L)PCM decoding but DTS/AC3 decoding. I'm pretty sure every receiver decoder chip in existence that can support DTS/AC3 also supports (L)PCM, as (L)PCM is the most trivial format to implement.

Sorry to hijack but I have a non-HDMI receiver and am using an HDMI to optical splitter to get audio to my receiver. DTS/AC3 are my only options to get multi channel to my receiver from Apple TV as optical does not have the bandwidth to support multi channel LPCM

Thus I want this pass through issue fixed so I get the proper DTS track

  April 6, 2018 - 1:41am
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...yes, same here. My AV receiver is an older Sony model which only has an optical jack but no HDMI inputs. The receiver is connected optically to my TV (which in return is connected to the ATV 4K via HDMI of course). So I can't go for the LPCM multichannel method either because the optical jack connection only supports AC3 and DTS regarding multichannel signals.

  April 6, 2018 - 3:09am
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I have also the same setup: the ATV 4K is connected via HDMI to the TV and the TV redirects the audio untouched to the receiver that is is connected optically. So before the upgrade it was fine getting DTS on my receiver but since the 11.3 it is just a hiss using passthrough. So I can't go for the LPCM multichannel method either. The temporary solution is to set it to auto instead and I only get DD. I acquired Infuse specifically for the DTS and so getting only DD is not what I payed for. I hope it can be fixed soon..

  April 6, 2018 - 3:32am
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...it remains to be seen if Firecore is really able to come up with a solution/workaround on this issue themselves. James already announced that they are indeed working on such a solution, but at the same time he said it's also possible that only Apple can give us back the passthrough option. This would be especially a shame because the DTS capability is (or was?) one of the main advantages of Infuse over e.g. Plex and for me, that was the decisive factor too.

  April 6, 2018 - 7:08am
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I certainly do not attend PCM. If the sound does not have the passtorught feature it sounds like a stereo and sounds the same from all the speakers. When it is DTS, however, there is a different sound from each speaker. This problem needs to be resolved urgently. I got appletv because of these features in infuse.

  james wrote:

We're still looking into what options we have here, though it seems this may be an issue that can only be solved from Apple's end.

FWIW, with Infuse set to Auto and the Apple TV set to Best Quality Available, you'll be able to get the same quality (or better in some cases) audio. Infuse is certified for both Dolby and DTS audio, and the process through which audio is decoded from a compressed format (AC3, DTS, TrueHD, DTS-HD MA, etc...) to an uncompressed format (PCM) is consistent whether this takes place on the Apple TV or another certified device like an AV receiver. In fact, decoding compressed audio and outputting PCM is one of the tests that takes place during the certification process.

A bit more info on how this works can be found here.

https://support.firecore.com/hc/en-us/articles...

  April 6, 2018 - 9:37am
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DTS/Dolby sounds like crap vs TrueHD and DTS-HD, who cares. It debuted with Jurassic Park with Spielberg's backing, yeah, its that old of tech.

  April 6, 2018 - 11:19am
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I totally agree with you!!!

  serif83 wrote:

I certainly do not attend PCM. If the sound does not have the passtorught feature it sounds like a stereo and sounds the same from all the speakers. When it is DTS, however, there is a different sound from each speaker. This problem needs to be resolved urgently. I got appletv because of these features in infuse.

  April 6, 2018 - 3:03pm
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  bluskye wrote:

DTS/Dolby sounds like crap vs TrueHD and DTS-HD, who cares. It debuted with Jurassic Park with Spielberg's backing, yeah, its that old of tech.

Those who don’t have HDMI capable receivers care. And to get a similarly quality sounding receiver to my older NAD I’d have to spend $2-3k which I don’t have
Anyway doesn’t this problem also affect TrueHD and DTS-HD formats? Or are they working?

  April 6, 2018 - 3:29pm
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  Bedwell wrote:

Those who don’t have HDMI capable receivers care. And to get a similarly quality sounding receiver to my older NAD I’d have to spend $2-3k which I don’t have
Anyway doesn’t this problem also affect TrueHD and DTS-HD formats? Or are they working?

No, because infuse will decode it out and pump LPCM to the receiver. Who cares if the DTS-HD or TRUE-HD light isnt on, sounds the same.

  April 7, 2018 - 5:19am
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My changed AppleTV 4K is on tvOS 11.2.1 pass throughout is working 😀 Can I update Infuse to 5.6.11 currently I use the 5.6.10 and pass through is also working very well ?

Please can anyone tell me that pass through is working with future update of Infuse e.g. 5.6.11, i use AppleTV4K with 11.2.1 and Infuse 5.6.10. I do not update my AppleTV but can i update Infuse or is ist better that i stay on 5.6.10 because pass through ?

  April 7, 2018 - 10:24am
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Hi all,
Just created an account to reply to this thread.

I too experienced the issue and was coming to see if it was just an issue with the latest release. Good to know I'm not alone, and also wanted to state this too, was why I purchased Infuse Pro.

Unlike many here, I don't have to settle for DD though, since my media is on a central share, all my devices have access, and therefore can use DLNA with my blu-ray players until this issue is fixed.

As far as the Auto setting, this only works on one setup I have as it passes multi channel PCM which requires a direct HDMI connection. On my 4k setup, the TV can pass standard DTS / Dolby 5.1 out the optical, or ARC connections, but NOT PCM. With this said, I am going to go the route of the disc player's streaming features because I don't want my DTS transcoded to DD on the TV with the optical go between.

One other note: I still feel that physical media is better quality and still more reliable over streaming. That's why I still heavily invest in it personally. That way when the streaming solutions break, or experience other issues, I still have something reliable to go back to until the problems are solved. Since what I stream came off the discds I own, it's the same content in a different format Smile Trying to make the most of both solutions here with the least headaches.

  April 7, 2018 - 4:43pm
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  bluskye wrote:

No, because infuse will decode it out and pump LPCM to the receiver. Who cares if the DTS-HD or TRUE-HD light isnt on, sounds the same.

You can’t get multi channel LPCM over optical is my point

  April 7, 2018 - 5:28pm
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So the problem that many people in this thread have stems from the assumption that "high-quality" non-HDMI receivers, which started to phase out at around 2006-2007, would provide better audio quality from DTS/DD sources than a current-gen, entry-level HDMI-capable receiver would provide from LPCM-transcoded DTS-HD/TrueHD sources.

I'd challenge this assumption. Even a very cheap, $200-ish receiver would sound much better with a multi-channel LPCM source from DTS-HD/TrueHD than a $3000 receiver released in 2006 from a DTS/DD source.

  April 7, 2018 - 5:46pm
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  Bedwell wrote:

You can’t get multi channel LPCM over optical is my point

There's no optical out on the ATV4 and ATV4K... are you going to the TV then optical from the TV to the receiver?

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  April 7, 2018 - 6:01pm
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  nickpicker wrote:

So the problem that many people in this thread have stems from the assumption that "high-quality" non-HDMI receivers, which started to phase out at around 2006-2007, would provide better audio quality from DTS/DD sources than a current-gen, entry-level HDMI-capable receiver would provide from LPCM-transcoded DTS-HD/TrueHD sources.

I'd challenge this assumption. Even a very cheap, $200-ish receiver would sound much better with a multi-channel LPCM source from DTS-HD/TrueHD than a $3000 receiver released in 2006 from a DTS/DD source.

That's how I get lossless audio on my 4K setup in the living room. I have 5.1 Vizio sound bars which have 1 HDMI passthrough each but only 1.4 spec so can't use it as passthrough in living room. But have it passthrough in the bedroom since that's a 1080p only setup so can' do multi channel PCM from the Apple TV 4. The Apple TV 4k connects to the TV, and the TV is connected to the sound bar by optical in the living room. The TV can pass standard DTS and DD 5.1, but not the HD audio or PCM over optical, so the passthrough from Infuse breaks this setup unless I want all my audio transcoded to DD 5.1 which doesn't usually sound as good as the native stream.

For me, I work around this for now using my Sony UBP-X800 which has dual HDMI outputs so it can have a direct line to the TV, and Sound bar at the same time. Since these Sound bars can't decode HD audio directly, (only the standard DD, DTS), and DD+ (over HDMI only) I set the player to internally decode the codecs and pass as multi channel PCM. It sounds quite good and very distinct. My first post was mainly just to say I revert to a device designed to play these formats natively since the Apple TV isn't working correctly right now with InFuse.

  April 7, 2018 - 6:22pm
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I’m wondering how and where did you change ur updated Apple TV ? Thanks, Bro

  toegelr wrote:

My changed AppleTV 4K is on tvOS 11.2.1 pass throughout is working 😀 Can I update Infuse to 5.6.11 currently I use the 5.6.10 and pass through is also working very well ?

  April 7, 2018 - 8:41pm
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  Sizhai81 wrote:

I’m wondering how and where did you change ur updated Apple TV ? Thanks, Bro

They answered that in their post https://firecore.com/comment/84246#comment-84246 , they went to their local Apple store.

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  April 8, 2018 - 1:31am
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  timstephens24 wrote:

There's no optical out on the ATV4 and ATV4K... are you going to the TV then optical from the TV to the receiver?

I am going ATV4 -> HDMI / optical splitter -> TV + AVR
I would just use the TV optical out but it (Panasonic plasma) can’t pass through DTS

  April 8, 2018 - 3:01am
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After going back and looking at some of the posts here, wasn't the whole point of InFuse (mainly the pro version) to bypass Apple's player, so passthrough would work?
That was my understanding, because even VLC, which natively supports just about any format out there doesn't do passthrough on the Apple TV either.

The other thing to consider is, Apple did promise ATMOS support for the 4K Apple TV in a coming update. I wonder if this is why passthrough is currently broken while they work on that.

  April 8, 2018 - 3:57am
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  Bedwell wrote:

I am going ATV4 -> HDMI / optical splitter -> TV + AVR
I would just use the TV optical out but it (Panasonic plasma) can’t pass through DTS

I have an LG OLED and my ATV4K is connected with HDMI and my LG is connected with optical out (TOSLINK) to my receiver. The TV is able to send the audio stream without touching it and so my receiver outputs DTS if the source is DTS. This was the case prior to the 11.3 update. That is the most important reason for me to use the Pro version of Infuse!