Re: [SurroundSound] Re: Any interest in PC playing DSD over HDMI?

In other words the marketing folks would not allow. Been there got the Tee-shirt as an ex-product director; sorry folks.

On Tue, Oct 27, 2015 at 6:14 PM, Jogi <jogi.meyer@gmail.com> wrote:

Uh, thats bad news. Thanks anyway...

Am Dienstag, 27. Oktober 2015 06:11:04 UTC+1 schrieb Andrej Falout:

Hi Joachim,

unfortunately I had to give up when one kernel developer decided that this is not possible due to the missing function on PC HDMI chipsets, which he could not name or say exactly what it does (that cannot be done without hardware support).

So basically he declared that any code I may come up with will not be accepted - period. Search Alsa dev list if interested in details.

I tried to get a comment from Intel and nVidia hardware people on this, but never managed to get any response. Shame.

In my opinion, this is nonsense. "Packetising" he seemed to be referring to, can easily be done in software. As it is done when sending native DSD over USB.

Cheers, Andrej


On Friday, 16 October 2015 05:26:05 UTC+13, Jogi wrote:

Hi Andrej,

I just found this post/group today. The posts seem pretty old. Did you go for it? What is the status?
I recently bought an AVR which states to be capable of receiving DSD over HDMI because I was to naive to think that I could just connect a rasberry pi 2 to it and it would work. However, your solution sounds like exactly what I would need.

Can you give a short update if there is still hope for me to save the money for buying a pricy SACD-Player which can deliver DSD over hdmi?

Cheers,
Joachim

Am Mittwoch, 10. Dezember 2014 06:08:37 UTC+1 schrieb Andrej Falout:

Hi,

On Tue, Dec 9, 2014 at 11:17 AM, <jorg...@gmail.com> wrote:

I just wanted to give you the heads up. Being able to play SACD ISO in the best possible way has been my wet dream since the format was decrypted for the first time.

Many players can do that, today. What they cannot do, is DSD over HDMI.

 

My RX-V 3067 has a DAD-capable Burr-Brown DAC

(Rant: why are we still calling TI DAC chips "Burr-Brown"? No such thing no more...for a long time now. It's not a brand, it's not a design or method, it's not even a division inside TI. Its a zombie...)

 

So a PC or even Linux

On a music appliance I intend this to work on, you will see Linux as much as a Samsung phone user see Linux on an Android phone. Eg. never.

On the sidenote, seeing Linux this days, might make you want to dump your Windows 8 in a flash...

 

(maybe I could run it in a virtual machine)

That wont work as no hipervisor in existence has a HDMI pass-trough. Remember that in HDMI audio is something attached to a video stream, and without it cannot exist - even if that video stream is blank.

 

that could do DSD-over-HDMI with foobar2000

Wont work as Foobar is a Windows application, and even when running on Linux (via Wine) it has no direct access to HDMI Alsa driver... I think. Will double check.

 

, where I have tagged all my SACD ISOs

I assume you used Foobar XML tagging for ISO's? I tried convincing Maxim that tagging compatibility between MPD and and Foobar is a great idea, but I think he is leaning towards .cue files for this purpose in MPD... Then again, Foobar can read .cue files already, just not for SACD ISOs...

 

would be an incredible feat. So far only DSD-over-ASIO has been made to work

Linux also can stream native DSD over USB, and DoP'd DSD over any PCM link. I would think Windows can do that too.

Andrej

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