[Sursound] realtime 5.1 streaming over hdmi ?

Hi there,
Does anyone know a way of streaming 5.1 in realtime over HDMI ?

Courville, Daniel

2018-03-06 17:32:18 UTC

Well, on macOS, if you connect your computer via HDMI to a surround receiver/processor, you'll have the option of using that device as an audio interface.

Or do you mean something else?

- Daniel

Message: 1
Date: Tue, 6 Mar 2018 13:36:28 +0000
From: Augustine Leudar <***@gmail.com>
To: Surround Sound discussion group <***@music.vt.edu>
Subject: [Sursound] realtime 5.1 streaming over hdmi ?
Message-ID:
<CABx2jurivFRo3XfvtqNor_ucFJY=***@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

Does anyone know a way of streaming 5.1 in realtime over HDMI ?

Augustine Leudar

2018-03-06 17:40:13 UTC

Thanks Daniel that's exactly what I'm hoping for on this system

Post by Courville, Daniel
Well, on macOS, if you connect your computer via HDMI to a surround
receiver/processor, you'll have the option of using that device as an audio
interface.
Or do you mean something else?
- Daniel
Message: 1
Date: Tue, 6 Mar 2018 13:36:28 +0000
Subject: [Sursound] realtime 5.1 streaming over hdmi ?
<CABx2jurivFRo3XfvtqNor_ucFJY=
Content-Type: text/plain; charset="utf-8"
Does anyone know a way of streaming 5.1 in realtime over HDMI ?
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jim moses

2018-03-06 18:30:18 UTC

There are HDMI audio inserters
<https://www.monoprice.com/product?p_id=13347&gclid=EAIaIQobChMI8tGc-qfY2QIVjVmGCh0NGwIrEAQYASABEgKBzvD_BwE>
that
will embed audio (in this case Toslink for for surround). and de-embedders
if you need to get audio out of an HDMI stream. Just FYI, going straight
from the computer's easier.

jim

Post by Augustine Leudar
Thanks Daniel that's exactly what I'm hoping for on this system

Post by Courville, Daniel
Well, on macOS, if you connect your computer via HDMI to a surround
receiver/processor, you'll have the option of using that device as an

audio

Post by Courville, Daniel
interface.
Or do you mean something else?
- Daniel
Message: 1
Date: Tue, 6 Mar 2018 13:36:28 +0000
Subject: [Sursound] realtime 5.1 streaming over hdmi ?
<CABx2jurivFRo3XfvtqNor_ucFJY=
Content-Type: text/plain; charset="utf-8"
Does anyone know a way of streaming 5.1 in realtime over HDMI ?
_______________________________________________
Sursound mailing list
https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here,
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--
Dr. Augustine Leudar
Artistic Director Magik Door LTD
Company Number : NI635217
Registered 63 Ballycoan rd,
Belfast BT88LL
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Augustine Leudar

2018-03-06 20:33:03 UTC

Hi Jim,
Tell me about it - unfortunately this system has no analogue ins for the
surround sound only HDMI, Coax and Optical . It also does a lot of weird
esoteric encoding stuff in the box which I dont really wan tit to do. I am
not even sure if the box needs to receive 5.1 encoded in a certain way to
make it ieven easier I am working remotely so cant actually get my hands on
it but give instructions to non audio colleagues.I will try and get them to
try the HDMI thing tomorrow turning it into an interface,
all the best
Gus

Post by jim moses
There are HDMI audio inserters
<https://www.monoprice.com/product?p_id=13347&gclid=EAIaIQobChMI8tGc-
qfY2QIVjVmGCh0NGwIrEAQYASABEgKBzvD_BwE>
that
will embed audio (in this case Toslink for for surround). and de-embedders
if you need to get audio out of an HDMI stream. Just FYI, going straight
from the computer's easier.
jim
On Tue, Mar 6, 2018 at 12:40 PM, Augustine Leudar <

Post by Augustine Leudar
Thanks Daniel that's exactly what I'm hoping for on this system

Post by Courville, Daniel
Well, on macOS, if you connect your computer via HDMI to a surround
receiver/processor, you'll have the option of using that device as an

audio

here,

Post by Courville, Daniel
edit account or options, view archives and so on.

--
Jim Moses
Technical Director/Lecturer
Brown University Music Department and M.E.M.E. (Multimedia and Electronic
Music Experiments)
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jim moses

2018-03-07 18:12:07 UTC

The Mac HDMI out sounds like your best bet. You may need to work with the
audio-midi-setup app to make it work (seeting the # of channels and then
assignments in 'configure speakers').

jim

Post by Augustine Leudar
Hi Jim,
Tell me about it - unfortunately this system has no analogue ins for the
surround sound only HDMI, Coax and Optical . It also does a lot of weird
esoteric encoding stuff in the box which I dont really wan tit to do. I am
not even sure if the box needs to receive 5.1 encoded in a certain way to
make it ieven easier I am working remotely so cant actually get my hands on
it but give instructions to non audio colleagues.I will try and get them to
try the HDMI thing tomorrow turning it into an interface,
all the best
Gus

de-embedders

Post by jim moses
if you need to get audio out of an HDMI stream. Just FYI, going straight
from the computer's easier.
jim
On Tue, Mar 6, 2018 at 12:40 PM, Augustine Leudar <

Post by Augustine Leudar
Thanks Daniel that's exactly what I'm hoping for on this system

Post by Courville, Daniel
Well, on macOS, if you connect your computer via HDMI to a surround
receiver/processor, you'll have the option of using that device as an

audio

here,

Post by Courville, Daniel
edit account or options, view archives and so on.

here,

Post by jim moses

Post by Augustine Leudar
edit account or options, view archives and so on.

--
Dr. Augustine Leudar
Artistic Director Magik Door LTD
Company Number : NI635217
Registered 63 Ballycoan rd,
Belfast BT88LL
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Augustine Leudar

2018-03-07 18:37:46 UTC

Yes we got it working immediately on the Mac - one channel on speaker.bBut
obviously there's an extra cist involved for client if they have to buy a
Mac! Its a longterm install.

Post by jim moses
The Mac HDMI out sounds like your best bet. You may need to work with the
audio-midi-setup app to make it work (seeting the # of channels and then
assignments in 'configure speakers').
jim
On Tue, Mar 6, 2018 at 3:33 PM, Augustine Leudar <

Post by Augustine Leudar
not even sure if the box needs to receive 5.1 encoded in a certain way to
make it ieven easier I am working remotely so cant actually get my hands

Post by Augustine Leudar
it but give instructions to non audio colleagues.I will try and get them

Post by Augustine Leudar
try the HDMI thing tomorrow turning it into an interface,
all the best
Gus

de-embedders

Post by jim moses
if you need to get audio out of an HDMI stream. Just FYI, going

straight

Post by jim moses
from the computer's easier.
jim
On Tue, Mar 6, 2018 at 12:40 PM, Augustine Leudar <

Post by Augustine Leudar
Thanks Daniel that's exactly what I'm hoping for on this system
On Tuesday, 6 March 2018, Courville, Daniel <

Post by Courville, Daniel
Well, on macOS, if you connect your computer via HDMI to a surround
receiver/processor, you'll have the option of using that device as

Post by jim moses

Post by Augustine Leudar
audio

here,

Post by Courville, Daniel
edit account or options, view archives and so on.

here,

Post by jim moses

Post by Augustine Leudar
edit account or options, view archives and so on.

--
Jim Moses
Technical Director/Lecturer
Brown University Music Department and M.E.M.E. (Multimedia and

Electronic

Post by jim moses
Music Experiments)
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here,

Post by jim moses
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--
Dr. Augustine Leudar
Artistic Director Magik Door LTD
Company Number : NI635217
Registered 63 Ballycoan rd,
Belfast BT88LL
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Music Experiments)
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Courville, Daniel

2018-03-06 19:09:44 UTC

It will look something like that:

Loading Image...

Loading Image...

Augustine Leudar

2018-03-06 20:34:24 UTC

Hi Daniel,
Ill be using max so Ill just look at the io mappin gin there. This is a
hifi box and I have a feeling though this box requires an encoded feed (as
in AC3 etc) but tomorrow I will find out if it can behave liek an interface
cheers

Post by Courville, Daniel
http://www.radio.uqam.ca/ambisonic/images/hdmi_1.png
http://www.radio.uqam.ca/ambisonic/images/hdmi_2.png
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Augustine Leudar

2018-03-07 13:56:32 UTC

Hi there ,
Thanks Daniel - yes indee dpluging it in to a mac it just worked as an 8
channel interface - I believe it uses LPCM. So I had 8 channels showing up
in the i/o routing in max. However when I pluged the PC in it only showed
up in stereo. Ive tried setting the "configuration" in the windows playback
devices section to 7.1 / 5.1 etc but it only seems to show up two channels
left and right in th ePC - any idea how to get around this ? My google fu
has proven weak on this one,
cheers
Gus

Post by Augustine Leudar
Hi Daniel,
Ill be using max so Ill just look at the io mappin gin there. This is a
hifi box and I have a feeling though this box requires an encoded feed (as
in AC3 etc) but tomorrow I will find out if it can behave liek an interface
cheers

--
Dr. Augustine Leudar
Artistic Director Magik Door LTD
Company Number : NI635217
Registered 63 Ballycoan rd,
Belfast BT88LL

Courville, Daniel

2018-03-07 17:06:42 UTC

https://www.eightforums.com/threads/digital-audio-hdmi-only-has-2-channel-option.6655/

Le 18-03-07 12:00, Sursound au nom de sursound-***@music.vt.edu a écrit :

However when I pluged the PC in it only showed
up in stereo. Ive tried setting the "configuration" in the windows playback
devices section to 7.1 / 5.1 etc but it only seems to show up two channels
left and right in th ePC - any idea how to get around this ? My google fu
has proven weak on this one,

Augustine Leudar

2018-03-07 17:32:19 UTC

Thanls yeah - I saw that but its a different problem - the 7.1 option is
showing up in windows but only 2 show up in max

Post by Courville, Daniel
https://www.eightforums.com/threads/digital-audio-hdmi-
only-has-2-channel-option.6655/
However when I pluged the PC in it only showed
up in stereo. Ive tried setting the "configuration" in the windows playback
devices section to 7.1 / 5.1 etc but it only seems to show up two channels
left and right in th ePC - any idea how to get around this ? My google fu
has proven weak on this one,
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Felix Andriessens

2018-03-08 11:26:38 UTC

This might depend on your PCs graphic card, too. My 2012 MacBookPro supports at least eight via HDMI; my late 2011 iMac only two.

Best regards,

Felix Andriessens

Post by Augustine Leudar
However when I pluged the PC in it only showed
up in stereo. Ive tried setting the "configuration" in the windows playback
devices section to 7.1 / 5.1 etc but it only seems to show up two channels
left and right in th ePC - any idea how to get around this ? My google fu
has proven weak on this one,
_______________________________________________
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Augustine Leudar

2018-03-08 12:53:45 UTC

Any idea if a Mac min would do that too ?

Post by Felix Andriessens
This might depend on your PCs graphic card, too. My 2012 MacBookPro
supports at least eight via HDMI; my late 2011 iMac only two.
Best regards,
Felix Andriessens

Post by Augustine Leudar
However when I pluged the PC in it only showed
up in stereo. Ive tried setting the "configuration" in the windows

playback

Post by Augustine Leudar
devices section to 7.1 / 5.1 etc but it only seems to show up two

channels

Post by Augustine Leudar
left and right in th ePC - any idea how to get around this ? My

google fu

Post by Augustine Leudar
has proven weak on this one,
_______________________________________________
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https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here,

edit account or options, view archives and so on.
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mick ritchie

2018-03-08 14:18:36 UTC

My macmini 2012 does 8 channels of hdmi with no problems - either out of HDMI port or with a converter on the display port out.
Ive used it for 5.1 7.1 and some ambi outputting without problems.

The av box i have is a pioneer lx82 and has to be set correct - direct pcm - i think mine has to be set before the mac will
even recognise it. My 2010 MBP will also do it and that has no thunderbolt on its display port which surprised me.

Have it set up so that programs load and start on boot up or by timer and for backup - clone the whole drive to a usb drive
that can be booted from if the mac has a dicky fit

mick

Post by Augustine Leudar
Any idea if a Mac min would do that too ?

Post by Felix Andriessens
This might depend on your PCs graphic card, too. My 2012 MacBookPro
supports at least eight via HDMI; my late 2011 iMac only two.
Best regards,
Felix Andriessens

Augustine Leudar

2018-03-08 14:40:13 UTC

Brilliant Mick,
Thats what I was hoping to hear - thanks for your input !
best
Gus

Post by mick ritchie
My macmini 2012 does 8 channels of hdmi with no problems - either out of
HDMI port or with a converter on the display port out.
Ive used it for 5.1 7.1 and some ambi outputting without problems.
The av box i have is a pioneer lx82 and has to be set correct - direct pcm
- i think mine has to be set before the mac will
even recognise it. My 2010 MBP will also do it and that has no
thunderbolt on its display port which surprised me.
Have it set up so that programs load and start on boot up or by timer and
for backup - clone the whole drive to a usb drive
that can be booted from if the mac has a dicky fit
mick

Post by Augustine Leudar
Any idea if a Mac min would do that too ?

Post by Felix Andriessens
This might depend on your PCs graphic card, too. My 2012 MacBookPro
supports at least eight via HDMI; my late 2011 iMac only two.
Best regards,
Felix Andriessens

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Dave Hunt

2018-03-07 19:56:54 UTC

Hi,

If it is a Surround Receiver with HDMI in, it probably expects the signals to be the order
1 Left
2 Right
3 Centre
4 LFE
5 L Surround
6 R Surround

It should take uncompressed audio.

You possibly need to find the right setting on the receiver. It is sometimes described as Direct.

Sounds like a problem with Windows.

Ciao,

Dave Hunt

Subject: Re: [Sursound] realtime 5.1 streaming over hdmi ?
Date: 7 March 2018 13:56:32 GMT
Hi there ,
Thanks Daniel - yes indee dpluging it in to a mac it just worked as an 8
channel interface - I believe it uses LPCM. So I had 8 channels showing up
in the i/o routing in max. However when I pluged the PC in it only showed
up in stereo. Ive tried setting the "configuration" in the windows playback
devices section to 7.1 / 5.1 etc but it only seems to show up two channels
left and right in th ePC - any idea how to get around this ? My google fu
has proven weak on this one,
cheers
Gus

Augustine Leudar

2018-03-07 20:46:06 UTC

yes LPCM is uncompressed up to 8 channels. As I say in OsX - its easy just
plug and play - from max msp I can send discrete signals to discrete
signals no problem. I think it is indeed a problem with windows 10 (suprise
suprise) - I think we'll just use a mac

Post by Dave Hunt
Hi,
If it is a Surround Receiver with HDMI in, it probably expects the signals to be the order
1 Left
2 Right
3 Centre
4 LFE
5 L Surround
6 R Surround
It should take uncompressed audio.
You possibly need to find the right setting on the receiver. It is
sometimes described as Direct.
Sounds like a problem with Windows.
Ciao,
Dave Hunt

in the i/o routing in max. However when I pluged the PC in it only showed
up in stereo. Ive tried setting the "configuration" in the windows

playback

devices section to 7.1 / 5.1 etc but it only seems to show up two

channels

left and right in th ePC - any idea how to get around this ? My google fu
has proven weak on this one,
cheers
Gus

_______________________________________________
Sursound mailing list
https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here,
edit account or options, view archives and so on.

Marc Lavallée

2018-03-07 20:52:26 UTC

You can also use Linux…
(maybe it’s not even worth mentioning)
—
Marc

Post by Augustine Leudar
yes LPCM is uncompressed up to 8 channels. As I say in OsX - its easy just
plug and play - from max msp I can send discrete signals to discrete
signals no problem. I think it is indeed a problem with windows 10 (suprise
suprise) - I think we'll just use a mac

Post by Dave Hunt
Hi,
If it is a Surround Receiver with HDMI in, it probably expects the signals
to be the order
1 Left
2 Right
3 Centre
4 LFE
5 L Surround
6 R Surround
It should take uncompressed audio.
You possibly need to find the right setting on the receiver. It is
sometimes described as Direct.
Sounds like a problem with Windows.
Ciao,
Dave Hunt

in the i/o routing in max. However when I pluged the PC in it only showed
up in stereo. Ive tried setting the "configuration" in the windows

playback

devices section to 7.1 / 5.1 etc but it only seems to show up two

channels

left and right in th ePC - any idea how to get around this ? My google fu
has proven weak on this one,
cheers
Gus

_______________________________________________
Sursound mailing list
https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here,
edit account or options, view archives and so on.

--
Dr. Augustine Leudar
Artistic Director Magik Door LTD
Company Number : NI635217
Registered 63 Ballycoan rd,
Belfast BT88LL
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Augustine Leudar

2018-03-07 20:53:49 UTC

Hi Marc-
Would love to use Linux - so stable - but this is a max Msp project and a
lot of the externals used do not work with Pure data nore do I consider
wine or a hackintosh sufficiently stable

Post by Augustine Leudar
yes LPCM is uncompressed up to 8 channels. As I say in OsX - its easy

just

Post by Augustine Leudar
plug and play - from max msp I can send discrete signals to discrete
signals no problem. I think it is indeed a problem with windows 10

(suprise

Post by Augustine Leudar
suprise) - I think we'll just use a mac

Post by Dave Hunt
Hi,
If it is a Surround Receiver with HDMI in, it probably expects the

signals

Post by Dave Hunt
to be the order
1 Left
2 Right
3 Centre
4 LFE
5 L Surround
6 R Surround
It should take uncompressed audio.
You possibly need to find the right setting on the receiver. It is
sometimes described as Direct.
Sounds like a problem with Windows.
Ciao,
Dave Hunt

Subject: Re: [Sursound] realtime 5.1 streaming over hdmi ?
Date: 7 March 2018 13:56:32 GMT
Hi there ,
Thanks Daniel - yes indee dpluging it in to a mac it just worked as an

channel interface - I believe it uses LPCM. So I had 8 channels showing

in the i/o routing in max. However when I pluged the PC in it only

showed

up in stereo. Ive tried setting the "configuration" in the windows

playback

devices section to 7.1 / 5.1 etc but it only seems to show up two

channels

left and right in th ePC - any idea how to get around this ? My google

has proven weak on this one,
cheers
Gus

_______________________________________________
Sursound mailing list
https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here,
edit account or options, view archives and so on.

attachments/20180307/eb518a1e/attachment.html>

Post by Augustine Leudar
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Marc Lavallée

2018-03-08 02:27:58 UTC

On Wed, 7 Mar 2018 20:53:49 +0000

Post by Augustine Leudar
Hi Marc-
Would love to use Linux - so stable - but this is a max Msp project
and a lot of the externals used do not work with Pure data nore do I
consider wine or a hackintosh sufficiently stable

I misread your previous message.

<rant>
Yes, very sadly, Max/MSP is a software lock-in with co-dependencies on
hardware and operating system lock-ins. With added externals, the
lock-in problem gets even worse. It's easy to understand, but so
difficult to explain to most sound artists...
</rant>
--
Marc

On Mar 7, 2018, at 3:46 PM, Augustine Leudar
yes LPCM is uncompressed up to 8 channels. As I say in OsX - its easy

just

plug and play - from max msp I can send discrete signals to
discrete signals no problem. I think it is indeed a problem with
windows 10

(suprise

suprise) - I think we'll just use a mac
On 7 March 2018 at 19:56, Dave Hunt

Post by Dave Hunt
Hi,
If it is a Surround Receiver with HDMI in, it probably expects the

signals

Post by Dave Hunt
to be the order
1 Left
2 Right
3 Centre
4 LFE
5 L Surround
6 R Surround
It should take uncompressed audio.
You possibly need to find the right setting on the receiver. It
is sometimes described as Direct.
Sounds like a problem with Windows.
Ciao,
Dave Hunt

Subject: Re: [Sursound] realtime 5.1 streaming over hdmi ?
Date: 7 March 2018 13:56:32 GMT
Hi there ,
Thanks Daniel - yes indee dpluging it in to a mac it just worked as an

channel interface - I believe it uses LPCM. So I had 8 channels showing

in the i/o routing in max. However when I pluged the PC in it only

showed

up in stereo. Ive tried setting the "configuration" in the windows

playback

devices section to 7.1 / 5.1 etc but it only seems to show up two

channels

left and right in th ePC - any idea how to get around this ? My google

has proven weak on this one,
cheers
Gus

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Courville, Daniel

2018-03-08 17:20:53 UTC