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Mad Lust Envy's Headphone Gaming Guide: (Update: 7/9/2014: Ultrasone HFI-15G Added) - Page 1034

post #15496 of 26074
Thread Starter 
It has to be from a true dolby digital signal. There is no way to get proper dolby headphone otherwise. You'll get either a prologic ii version of DH, or just stereo with a bunch of reverb and no advantage whatsoever.
post #15497 of 26074

thanks MLE

 

so- on console it outputs Dolby digital, so works fine with the DSS/Mix amp, but on PC you'd need dolby digital live over optical? Or something that had 3 sets of analogue inputs? 

 

I play FPS mostly on ps3, PC and mac (use a mac for work stuff), and trying to get something to work over all 3 platforms. Got the xonar u3 working well on windows with dolby headphone, but doesn't work on console or mac- so might get the earforce dss to use with ps3 and also return the xonar u3 and use optical out on the computer to go to DSS (but would need a soundcard with DDL right, so would have to keep xonar? meaning the DSS would be useless for PC use), I think there's no hope for DH on mac as there's nothing than can output DDL (dolby digital live) in game, although I do get 6 channel discrete over HDMI to my AV receiver, so maybe if I use an av receiver with DH support (marrantz?) that would give dolby headphone on everything that was connected- so 6 channel LPCM over HDMI from macbook pro, optical coded with DDL from PC, and optical with DD from ps3. Neatest solution, but most expensive and i'm happy with my current amp

 

 

also thinking of upgrading my headphones, they're pretty crappy- so not sure if it's worth upgrading headphones first (senn 558 modded) or getting DH first and upgrading later.

 

I never use the mic, so I think it would be better to get good headphones with a seperate DH converter, rather than a headset- but if there was a good headset on the market with built in dolby headphone I could go for that, wireless would be real nice too, there are some newer sennheisers, and the turtle beach but I don't think they will work with mac? (FWIW I only really play CS:GO on mac so it's not a deal breaker but it would be nice, as long as I can actually get sound from them on the mac i'd be happy)

 

 

just want the best bang for my buck, and don't want to waste money

your guide is excellent btw, so helpful 


Edited by firefly89 - 7/31/13 at 4:40am
post #15498 of 26074
Thread Starter 
The Xonar U3's software program has a setting to change the spdif/optical out to send out an untouched dolby digital signal to the DSS. Thats how it would work with the DSS. However, why, when the U3 does the same thing? Use the DSS for non PC use.

I think the 558 is a solid headphone. I really like it.
Edited by Mad Lust Envy - 7/31/13 at 4:47am
post #15499 of 26074
Quote:
Originally Posted by Mad Lust Envy View Post

It has to be from a true dolby digital signal. There is no way to get proper dolby headphone otherwise. You'll get either a prologic ii version of DH, or just stereo with a bunch of reverb and no advantage whatsoever.

You sure about this? Dolby's site doesn't make it sound like that. Also, what about the JVC DH device with DTS? I've listened to a channel check encoded in 5.1 pcm and 5.1 DD, and I'll check again, but I thought they sounded identical with DH enabled.

-Erik
post #15500 of 26074
Thread Starter 
Thats because dts was converted to dolby before processing and then to DH. The Marantz receivers did the same. Dolby headphone is just that, a dolby encoder for headphones. This is why devices like the Mixamp and DSS will never do proper surround unless its a DD signal. In the case of the PS3 bitstream mix option, I assume the PS3 internally changes DTS to Dolby Digital, or there is a hidden Dolby container in the audio file that you cant access other than through special situations. That is why blu-rays encoded in DTS can go to Dolby Headphone... ONLY in Bitstream mix, and not Bitstream direct, while the rare Dolby enabked blu-ray can do DH regardless of bitstream setting (I.e. G.I. Joe Retaliation). In the case if the JVC Su-Dh1, they sound identical probably because DTS was converted to Dolby format. That is why there is no sq difference.

It makes sense for Dolby to have some form of method to convert DTS into DD, because if DTS directly into Dolby Headphone was possible, there wouldn't be any reason why things like the Mixamp couldn't do it.



Unless the encoder gets a DD signal, youre just gonna get upmixed stereo or nothing at all.

What needs to be done is that all devices should have whatever hardware is allowing it to convert DTS into a file that Dolby Headphone can read.
Edited by Mad Lust Envy - 7/31/13 at 7:15am
post #15501 of 26074
Thread Starter 
As for 5.1 pcm vs 5.1dd, I'm betting 100% its because that 5.1pcm signal is getting converted to Dolby for the device to read, and varies by device (receivers may, other devices like the Mixamp won't).

If you try that on external devices like the Mixamp, and Recond 3d usb, the pcm signal won't go into proper DH. Quote me on that. Somewhere in their manuals, it states it must be set to DOLBY DIGITAL 5.1 for them to get DH.
Edited by Mad Lust Envy - 7/31/13 at 7:21am
post #15502 of 26074

I was more just referring to your first post where it stated it had to come from a Dolby Digital signal. I understand that an optical cable (which the Mixamp and DSS use) can't support more than 2 channel PCM. Also, I found this link as well. Look at number 5, not saying it is true, but I would like to think they know what they are talking about with their marketing.

 

Perhaps we should just email Dolby to find out for sure.

 

-Erik

post #15503 of 26074
Thread Starter 
Umm, optical cables can take in 5 channels, IIRC.

And like I figured, DH can be done once a signal has gone back to PCM, but what's not said, is that a raw PCM file won't be proper DH. Unless the device supports it (converting PCM to DD, more than likely), PCM audio files are not gonna be real Dolby Headphone. You can try that with any source. Try that with the Mixamp, DSS, Recond 3D. PCM simply will not convert into DH. IT MUST BE DOLBY DIGITAL, unless the source converts internally.

What I believe is happening when PCM DOES work, is that the raw PCM file gets converted into Dolby Digital first, then into DH. But again, only some devices do that, like older Marantz receivers.

Like that link mentioned as well, some 2 channel audio will convert into a lower tier Dolby Headphone (Nintendo Wii plays in this ghetto DH because the Wii has a Pro Logic II option). Usually what happens when a Dolby Digital signal is sent through an RCA connection (thus making it send Pro Logic II instead, which is embedded in DD signals, FWIR). However, IT MUST be taken from DPLII. A basic stereo signal will not work, which is when you get the nonsense up sampled stereo.
Edited by Mad Lust Envy - 7/31/13 at 8:24am
post #15504 of 26074

http://ca.ign.com/articles/2013/07/31/xbox-one-headset-adapter-confirmed-by-microsoft

 

We should be happy that they will at least provide an adapter for us to use our current headphones, however I still think it should be included in the box!

 

 

BTW is there anybody else getting both consoles at launch? I currently have both on pre-order

post #15505 of 26074

I have a PC. I have no need for (additional) machinesbiggrin.gif


Edited by Tus-Chan - 7/31/13 at 8:43am
post #15506 of 26074
Quote:
Originally Posted by Chubtoad View Post

http://ca.ign.com/articles/2013/07/31/xbox-one-headset-adapter-confirmed-by-microsoft

 

We should be happy that they will at least provide an adapter for us to use our current headphones, however I still think it should be included in the box!

 

 

BTW is there anybody else getting both consoles at launch? I currently have both on pre-order

 

I was just about to post about this.

 

Great news. Which means now it will simply just be Xbox One Controller > Adapter > Old Mic port on the good ole' Astro Mixamp... no need for a whole new Mixamp.

 

As long as the adapter is reasonably priced, I don't mind it being sold separately.

post #15507 of 26074
Quote:
Originally Posted by firefly89 View Post

With the dss/mix amp, do you have to feed it a Dolby digital (true surround signal) for it to process to Dolby headphone, or can it do it from a stereo source
Because surely optical can only output coded Dolby digital or 2 channel lpcm, so although consoles code output to Dolby digital it wouldn't work on pc unless you're running with Dolby digital live?

Correct - you need dolby digital live output on PC for DH to work on the dss

post #15508 of 26074

good job I realised this before sending the  xonar back for the DSS

 

will keep xonar, and get DSS for ps3 use

post #15509 of 26074
Quote:
Originally Posted by Tus-Chan View Post

I have a PC. I have no need for (additional) machinesbiggrin.gif

I have a decent PC too. I5-3570k with a GTX 670, 8GB ram etc etc.

 

But it doesn't play Sony/Nintendo exclusives, and doesn't play certain Microsoft/Console Exclusives.

 

 

and yeah I'm glad that Astro won't have to make a new mixamp specifically for the Xbox 1, but they probably will make one anyways hah

 

far as I can tell nothing should change between ps3/ps4. At least nothing that has been announced.

post #15510 of 26074
Quote:
Originally Posted by Mad Lust Envy View Post



What I believe is happening when PCM DOES work, is that the raw PCM file gets converted into Dolby Digital first, then into DH. But again, only some devices do that, like older Marantz receivers.

so in theory, with an 'older' marantz amp- I could output HDMI 6 channel PCM, or 6 channel analogue, and get dolby headphone working, on a mac. In movies with DD already, and if the amp has built in DDL coding, then multi channel games and multi channel movie files will also be converted into true DD, and then into true DH

 

if so, that would be great

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