Re: [Sursound] Deconstructing soundbar marketing B.S.

2019-06-01 Thread Augustine Leudar
by line of sght - I mean we do installations that have walls , dence trees
and foliage , all sorts of stuff in the way - so IR , though it looks like
a neat idea and I think preferable to wifi in some ways - wouldnt work for
us  Even wifi fails in some situations where walls are thick.

On Sat, 1 Jun 2019 at 22:19, Stefan Schreiber  wrote:

> Citando Augustine Leudar :
>
> > sounds great  -  but can it reflect through castle walls ?
>
> - -
>
> I wouldn’t count on such effects...
>
> St.
>
> > On Sat, 1 Jun 2019 at 19:50, Stefan Schreiber 
> wrote:
> >
> >> https://en.m.wikipedia.org/wiki/Li-Fi
> >>
> >>
> >>
> >>  “Direct line of sight is not necessary for Li-Fi to transmit a signal;
> >>
> >>  light reflected off the walls can achieve 70 Mbit/s[1].”
> >>
> >>
> >>
> >>  It all works in a very similar fashion as this “soundbar marketing
> >>
> >>  B.S.“...  < g >
> >>
> >>
> >>
> >>  Best,
> >>
> >>
> >>
> >>  Stefan
> >>
> >>
> >>
> >>  P.S.: Hu? Eh?! 
> >>
> >>
> >>
> >>  Citando Bo-Erik Sandholm :
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> https://www.researchgate.net/profile/Hyunchae_Chun/publication/259889506_A_3-Gbs_single-LED_OFDM-based_wireless_VLC_link_using_a_gallium_nitride_m_LED/links/577cd2f708ae355e74f2b06d/A-3-Gb-s-single-LED-OFDM-based-wireless-VLC-link-using-a-gallium-nitride-m-LED.pdf
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>3 Gb/s on common led...
> >>
> >>
> >>
> >>I Don't get the hu?
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>Li-Fi is a coming standard for high bandwidth local light based
> network.
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>Bo-Erik
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>Den lör 1 juni 2019 19:11David Pickett  skrev:
> >>
> >>
> >>
> >>  Eh?
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>D :)
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>At 19:01 01-06-19, you wrote:
> >>
> >>
> >>
> >>Content-Transfer-Encoding: base64Optical digital
> >>
> >>
> >>
> >>bandwidth using LED as a transmitter is without problem 1+
> >>
> >>
> >>
> >>Mbit/s.
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>Different designs have differet limits.
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>B
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>Den lör 1 juni 2019 13:49David Pickett  skrev:
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>  Ligações:
> >>
> >>  -
> >>
> >>  [1] https://en.m.wikipedia.org/wiki/Mbit/s
> >>
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> >>
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> >>
> >>
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> >>
> >>
> >>
> >>  ___
> >>
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> >>
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> >>
> >>  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
> >
> >  www.magikdoor.net[1]
> >
> >  +44(0)7555784775
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-- 
Dr. Augustine Leudar
Artistic Director Magik Door LTD
Company Number : NI635217
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Belfast BT88LL
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Re: [Sursound] Deconstructing soundbar marketing B.S.

2019-06-01 Thread Stefan Schreiber

Citando Augustine Leudar :


sounds great  -  but can it reflect through castle walls ?


- -

I wouldn’t count on such effects...

St.


On Sat, 1 Jun 2019 at 19:50, Stefan Schreiber  wrote:


https://en.m.wikipedia.org/wiki/Li-Fi



 “Direct line of sight is not necessary for Li-Fi to transmit a signal;

 light reflected off the walls can achieve 70 Mbit/s[1].”



 It all works in a very similar fashion as this “soundbar marketing

 B.S.“...  < g >



 Best,



 Stefan



 P.S.: Hu? Eh?! 



 Citando Bo-Erik Sandholm :





  
https://www.researchgate.net/profile/Hyunchae_Chun/publication/259889506_A_3-Gbs_single-LED_OFDM-based_wireless_VLC_link_using_a_gallium_nitride_m_LED/links/577cd2f708ae355e74f2b06d/A-3-Gb-s-single-LED-OFDM-based-wireless-VLC-link-using-a-gallium-nitride-m-LED.pdf








   3 Gb/s on common led...



   I Don't get the hu?







   Li-Fi is a coming standard for high bandwidth local light based network.







   Bo-Erik











   Den lör 1 juni 2019 19:11David Pickett  skrev:



 Eh?







   D :)







   At 19:01 01-06-19, you wrote:



   Content-Transfer-Encoding: base64Optical digital



   bandwidth using LED as a transmitter is without problem 1+



   Mbit/s.







   Different designs have differet limits.







   B







   Den lör 1 juni 2019 13:49David Pickett  skrev:







 Ligações:

 -

 [1] https://en.m.wikipedia.org/wiki/Mbit/s

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--

 Dr. Augustine Leudar

 Artistic Director Magik Door LTD

 Company Number : NI635217

 Registered 63 Ballycoan rd,

 Belfast BT88LL

 www.magikdoor.net[1]

 +44(0)7555784775

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Re: [Sursound] Deconstructing soundbar marketing B.S.

2019-06-01 Thread Augustine Leudar
sounds great  -  but can it reflect through castle walls ?

On Sat, 1 Jun 2019 at 19:50, Stefan Schreiber  wrote:

> https://en.m.wikipedia.org/wiki/Li-Fi
>
> “Direct line of sight is not necessary for Li-Fi to transmit a signal;
> light reflected off the walls can achieve 70 Mbit/s[1].”
>
> It all works in a very similar fashion as this “soundbar marketing
> B.S.“...  < g >
>
> Best,
>
> Stefan
>
> P.S.: Hu? Eh?! 
>
> Citando Bo-Erik Sandholm :
>
> >
> https://www.researchgate.net/profile/Hyunchae_Chun/publication/259889506_A_3-Gbs_single-LED_OFDM-based_wireless_VLC_link_using_a_gallium_nitride_m_LED/links/577cd2f708ae355e74f2b06d/A-3-Gb-s-single-LED-OFDM-based-wireless-VLC-link-using-a-gallium-nitride-m-LED.pdf
> >
> >
> >
> >  3 Gb/s on common led...
> >
> >  I Don't get the hu?
> >
> >
> >
> >  Li-Fi is a coming standard for high bandwidth local light based network.
> >
> >
> >
> >  Bo-Erik
> >
> >
> >
> >
> >
> >  Den lör 1 juni 2019 19:11David Pickett  skrev:
> >
> >> Eh?
> >>
> >>
> >>
> >>  D :)
> >>
> >>
> >>
> >>  At 19:01 01-06-19, you wrote:
> >>
> >>  Content-Transfer-Encoding: base64Optical digital
> >>
> >>  bandwidth using LED as a transmitter is without problem 1+
> >>
> >>  Mbit/s.
> >>
> >>
> >>
> >>  Different designs have differet limits.
> >>
> >>
> >>
> >>  B
> >>
> >>
> >>
> >>  Den lör 1 juni 2019 13:49David Pickett  skrev:
>
>
>
> Ligações:
> -
> [1] https://en.m.wikipedia.org/wiki/Mbit/s
> -- next part --
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> 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
www.magikdoor.net
+44(0)7555784775
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Re: [Sursound] Deconstructing soundbar marketing B.S.

2019-06-01 Thread Stefan Schreiber

Sursound does not get Swedish letters?

I would say this is sursound’s fault; we have 2019...

Stefan

P.S.: ASCII 128 forever...

Citando David Pickett :

I am sure it is not Bo-Erik's fault, but I am still getting "highly  
encoded" words and odd passages in the middle of messages, see below!




 David



 At 20:22 01-06-19, you wrote:

Content-Transfer-Encoding:  
base64https://www.researchgate.net/profile/Hyunchae_Chun/publication/259889506_A_3-Gbs_single-LED_OFDM-based_wireless_VLC_link_using_a_gallium_nitride_m_LED/links/577cd2f708ae355e74f2b06d/A-3-Gb-s-single-LED-OFDM-based-wireless-VLC-link-using-a-gallium-nitride-m-LED.pdf




 3 Gb/s on common led...

 I Don't get the hu‚“KQšH\ÈHÛÛZ[™ÈÝ[™\™›Üˆhigh bandwidth local  
light based network.




 Bo-Erik





 Den lör 1 juni 2019 19:11David Pickett  skrev:

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Re: [Sursound] Deconstructing soundbar marketing B.S.

2019-06-01 Thread David Pickett
I am sure it is not Bo-Erik's fault, but I am 
still getting "highly encoded" words and odd 
passages in the middle of messages, see below!


David

At 20:22 01-06-19, you wrote:
Content-Transfer-Encoding: 
base64https://www.researchgate.net/profile/Hyunchae_Chun/publication/259889506_A_3-Gbs_single-LED_OFDM-based_wireless_VLC_link_using_a_gallium_nitride_m_LED/links/577cd2f708ae355e74f2b06d/A-3-Gb-s-single-LED-OFDM-based-wireless-VLC-link-using-a-gallium-nitride-m-LED.pdf


3 Gb/s on common led...
I Don't get the hu‚“KQšH\ÈHÛÛZ[™ÈÝ[™\™›Üˆhigh 
bandwidth local light based network.


Bo-Erik


Den lör 1 juni 2019 19:11David Pickett  skrev:

> Eh‚ˆŠB‚ˆ]NNŒHKL
‹LNK[ÝHܛÝN‚‚ä0ontent-Transfer-Encoding: base64Optical digital
> ˜[™Ú@dth using LED as a transmitter is without problem 1+
“@bit/s.
> >
‘Y™™\™[\ÚYۜÈ]™HY™™\™][Z]‹ˆ
> >B
> ˆ‘[ˆ0휈H[šHŒNHL΍Q]šYXÚÙ]\@fugato.comÚܙ]Ž‚‚à£â€øÐ€ÄÄèÄЀ´´Ä䰁
¡É¥Ì]¼olf wrote:
ˆ2Ḡ(°æ­Ò(J$µ¼9ž(•Ì9¥œ9¥Ì8„…µ¥ÕÕ¼9¼¸d…Þ „¢H™Y[€ impressed by how
ˆˆ0æVðæðæø¡(¸¡(—8¡(­òç0æ@H˜[œÛ][ۈÞ\Ý[\Èusing IR headphones have worked
> >š[ˆ˜XÝXÙKX¡(°æòáXYÚ[™H]H]H[›š[™È[€d elevation
> 2ç0æðçVðçx¡(—8 «ÛÛYH\È\ÜÝYK‚ˆ¸e•Ì0‹ ]Û 
›Ü™Ù]\È\ÈÜYXÚ. THough probably better than

ˆˆ
M҈˜[™ÚY]\È\ÝX[HÛÛ\™\ÜÙY‚‚âˆ]\ÚXÈۈHÝ\ˆ[™‚ ‚ ˆH\Àed to have some expensive
> TˆXYۙ\ÈXYHžHÙ[›šZ\Ù\ˆ[™ˆˆF†W’were terrible. 
That was, however, at least 25 years ago. Does

ˆˆ[ž[ۙHۛÝÈوYÚ]X[]HTˆ[šÙYXYۀes without compression?
> ˆHÛÝ[š[™[H™\žH\ÙY€ul when I am editing audio, as I always
> > š\[™È݀er my headphone cable.
ˆ‚‚åÜZ’(¢¸l9|9|9|9|9|9|9p×××À
°À\œÛÝ[™XZ[X¡(°â0çx &ÔœÛÝ[™]\ÚX˝™YBˆ°ã¸ 
.@ËÛXZX .—W0æ­0âÈ8¡(­RðæÖ­Ö(œ9¶—7F­æfò÷7W'6÷VæBÒVàsubscribe here,

> > Y]XØÛÝ[ÜˆÜ[ۜ˚Y]È\˜Ú@ves and so on.
> 8 .RÒ8¡(——8 «KKK@--
> 
[ˆS]XÚY[Ø\ÈØܝX˜™Y‹‹‚‚åU$à£âã#â€ttps://mail.music.vt.edu/mailman/private/sursound/attachments/20190601/9811751a/attachment.html

> ˆ—××À
> >Sursound mailing list
”Ý\œÛÝ[™]\ÚX˝™YBˆ‡GG3¢òöÖ­¦×W6­2çgBæV@u/mailman/listinfo/sursound
> >- unsubscribe here, edit account or options, view archives and so on.
ˆÀ__
> Sursound mailing list
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Y]XØÀount or options, view archives and so on.
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Re: [Sursound] Deconstructing soundbar marketing B.S.

2019-06-01 Thread Stefan Schreiber

https://en.m.wikipedia.org/wiki/Li-Fi

“Direct line of sight is not necessary for Li-Fi to transmit a signal;  
light reflected off the walls can achieve 70 Mbit/s[1].”


It all works in a very similar fashion as this “soundbar marketing  
B.S.“...  < g > 


Best,

Stefan

P.S.: Hu? Eh?! 

Citando Bo-Erik Sandholm :


https://www.researchgate.net/profile/Hyunchae_Chun/publication/259889506_A_3-Gbs_single-LED_OFDM-based_wireless_VLC_link_using_a_gallium_nitride_m_LED/links/577cd2f708ae355e74f2b06d/A-3-Gb-s-single-LED-OFDM-based-wireless-VLC-link-using-a-gallium-nitride-m-LED.pdf



 3 Gb/s on common led...

 I Don't get the hu?



 Li-Fi is a coming standard for high bandwidth local light based network.



 Bo-Erik





 Den lör 1 juni 2019 19:11David Pickett  skrev:


Eh?



 D :)



 At 19:01 01-06-19, you wrote:

 Content-Transfer-Encoding: base64Optical digital

 bandwidth using LED as a transmitter is without problem 1+

 Mbit/s.



 Different designs have differet limits.



 B



 Den lör 1 juni 2019 13:49David Pickett  skrev:




Ligações:
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[1] https://en.m.wikipedia.org/wiki/Mbit/s
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Re: [Sursound] Deconstructing soundbar marketing B.S.

2019-06-01 Thread Bo-Erik Sandholm
https://www.researchgate.net/profile/Hyunchae_Chun/publication/259889506_A_3-Gbs_single-LED_OFDM-based_wireless_VLC_link_using_a_gallium_nitride_m_LED/links/577cd2f708ae355e74f2b06d/A-3-Gb-s-single-LED-OFDM-based-wireless-VLC-link-using-a-gallium-nitride-m-LED.pdf

3 Gb/s on common led...
I Don't get the hu?

Li-Fi is a coming standard for high bandwidth local light based network.

Bo-Erik


Den lör 1 juni 2019 19:11David Pickett  skrev:

> Eh?
>
> D :)
>
> At 19:01 01-06-19, you wrote:
> >Content-Transfer-Encoding: base64Optical digital
> >bandwidth using LED as a transmitter is without problem 1+
> >Mbit/s.
> >
> >Different designs have differet limits.
> >
> >B
> >
> >Den lör 1 juni 2019 13:49David Pickett  skrev:
> >
> > > At 11:14 01-06-19, Chris Woolf wrote:
> > ˆ•Ú[H[™K[Ù‹\ÚYÚ\ÈH[Z]][ÛˆH]™H™Y[€ impressed by how
> > > Ù[ÛÛ™™\™[˜ÙH˜[œÛ][ÛˆÞ\Ý[\Èusing IR headphones have worked
> >š[ˆ˜XÝXÙK[™Ø[ˆ@magine that a little planning and elevation
> >˜ÛÝ[Ý™\€come this issue.
> > ˆY\Ë ]Û ›Ü™Ù]\È\ÈÜYXÚ. THough probably better than
> > > 400-4kHz bandwidth it is usually compressed.
> > ˆ]\ÚXÈÛˆHÝ\ˆ[™‚ ‚ ˆH\Àed to have some expensive
> >IR headphones made by Sennheiser and
> > > they were terrible. That was, however, at least 25 years ago. Does
> > > anyone know of high quality IR linked headphones without compression?
> > > I would find them very useful when I am editing audio, as I always
> > > tripping over my headphone cable.
> > >
> >]šY ‚ ˆ××À
> >Ý\œÛÝ[™XZ[[™È\Ý‚7prso...@music.vt.edu
> >΋ËÛXZ[›]\ÚXË  ™YKÛXZ[X[‹Ûistinfo/sursound - unsubscribe here,
> > > edit account or options, view archives and so on.
> >‹KH™^\€t --
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Re: [Sursound] Deconstructing soundbar marketing B.S.

2019-06-01 Thread David Pickett

Eh?

D :)

At 19:01 01-06-19, you wrote:
Content-Transfer-Encoding: base64Optical digital 
bandwidth using LED as a transmitter is without problem 1+

Mbit/s.

Different designs have differet limits.

B

Den lör 1 juni 2019 13:49David Pickett  skrev:

> At 11:14 01-06-19, Chris Woolf wrote:
ˆ•Ú[H[™K[ً\ÚYÚ\ÈH[Z]][ۈH]™H™Y[€ impressed by how
> Ù[Ûۙ™\™[˜ÙH˜[œÛ][ۈÞ\Ý[\Èusing IR headphones have worked
š[ˆ˜XÝXÙK[™Ø[ˆ@magine that a little planning and elevation
˜ÛÝ[ݙ\€come this issue.
ˆY\˝]۝›Ü™Ù]\È\ÈÜYXÚ. THough probably better than
> 400-4kHz bandwidth it is usually compressed.
ˆ]\ÚXÈۈHÝ\ˆ[™‚‚ˆH\Àed to have some expensive 
IR headphones made by Sennheiser and

> they were terrible. That was, however, at least 25 years ago. Does
> anyone know of high quality IR linked headphones without compression?
> I would find them very useful when I am editing audio, as I always
> tripping over my headphone cable.
>
]šY‚ˆ××À
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Re: [Sursound] Deconstructing soundbar marketing B.S.

2019-06-01 Thread Bo-Erik Sandholm
Optical digital bandwidth using LED as a transmitter is without problem 1+
Mbit/s.

Different designs have differet limits.

B

Den lör 1 juni 2019 13:49David Pickett  skrev:

> At 11:14 01-06-19, Chris Woolf wrote:
>
> >While line-of-sight is a limitation I have been impressed by how
> >well conference translation systems using IR headphones have worked
> >in practice, and can imagine that a little planning and elevation
> >could overcome this issue.
>
> Yes, but dont forget, this is speech. THough probably better than
> 400-4kHz bandwidth it is usually compressed.
>
> Music on the other hand.
>
> I used to have some expensive IR headphones made by Sennheiser and
> they were terrible. That was, however, at least 25 years ago. Does
> anyone know of high quality IR linked headphones without compression?
> I would find them very useful when I am editing audio, as I always
> tripping over my headphone cable.
>
> David
>
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Re: [Sursound] Deconstructing soundbar marketing B.S.

2019-06-01 Thread David Pickett

At 11:14 01-06-19, Chris Woolf wrote:

While line-of-sight is a limitation I have been impressed by how 
well conference translation systems using IR headphones have worked 
in practice, and can imagine that a little planning and elevation 
could overcome this issue.


Yes, but dont forget, this is speech. THough probably better than 
400-4kHz bandwidth it is usually compressed.


Music on the other hand.

I used to have some expensive IR headphones made by Sennheiser and 
they were terrible. That was, however, at least 25 years ago. Does 
anyone know of high quality IR linked headphones without compression? 
I would find them very useful when I am editing audio, as I always 
tripping over my headphone cable.


David 


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Re: [Sursound] Deconstructing soundbar marketing B.S.

2019-06-01 Thread Augustine Leudar
 "I'm deeply ~unimpressed~ by how poor 5GHz Wi-Fi
signals are at penetrating solid walls and diffracting or reflecting
round objects.  "

Thatss exactly the issues we found at several shows. We do a lot of stuff
wher eline of site would simply be impossible though.

On Sat, 1 Jun 2019 at 10:16, Chris Woolf  wrote:

>
> On 31/05/2019 20:57, Bo-Erik Sandholm wrote:
> > https://fmarques.org/ronja-diy-optical-data/
> > If you want to diy instead of buying, seems like a complete design.
> >
> > Optical distribution of data/digital sound.
> >
> Thanks for the link, and the research.
>
> While line-of-sight is a limitation I have been impressed by how well
> conference translation systems using IR headphones have worked in
> practice, and can imagine that a little planning and elevation could
> overcome this issue. I'm deeply ~unimpressed~ by how poor 5GHz Wi-Fi
> signals are at penetrating solid walls and diffracting or reflecting
> round objects.
>
> Chris Woolf
>
>
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-- 
Dr. Augustine Leudar
Artistic Director Magik Door LTD
Company Number : NI635217
Registered 63 Ballycoan rd,
Belfast BT88LL
www.magikdoor.net
+44(0)7555784775
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Re: [Sursound] Deconstructing soundbar marketing B.S.

2019-06-01 Thread Chris Woolf



On 31/05/2019 20:57, Bo-Erik Sandholm wrote:

https://fmarques.org/ronja-diy-optical-data/
If you want to diy instead of buying, seems like a complete design.

Optical distribution of data/digital sound.


Thanks for the link, and the research.

While line-of-sight is a limitation I have been impressed by how well 
conference translation systems using IR headphones have worked in 
practice, and can imagine that a little planning and elevation could 
overcome this issue. I'm deeply ~unimpressed~ by how poor 5GHz Wi-Fi 
signals are at penetrating solid walls and diffracting or reflecting 
round objects.


Chris Woolf


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