[SBE] ASI through IP for STL
Christensen, Dave
DaveChristensen at clearchannel.com
Wed Aug 11 12:12:13 EDT 2010
Your welcome
----- Original Message -----
From: sbe-bounces at sbe.org <sbe-bounces at sbe.org>
To: sbe at sbe.org <sbe at sbe.org>
Sent: Wed Aug 11 10:50:04 2010
Subject: [SBE] ASI through IP for STL
Thanks for the feedbacks, guys.
Now, I've got enough breadcrumbs to follow :-)
Romualdo "ROLIN" Lintag, CSTE
Chief RF Engineer
Victory Television Network
KVTN 25.1 Pine Bluff, AR
KVTH 26 Hot Springs, AR
KVTJ 48 Jonesboro, AR
www.vtntv.com
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SBE Roundtable
Today's Topics:
1. ASI through IP for STL (Rolin Lintag)
2. Re: ASI through IP for STL (Mulliner, Rich)
3. Re: ASI through IP for STL (Dan Slentz)
4. Re: ASI through IP for STL (Francis Martin)
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Message: 1
Date: Wed, 11 Aug 2010 08:08:01 -0500
From: Rolin Lintag <rolin.lintag at vtntv.com>
Subject: [SBE] ASI through IP for STL
To: "sbe at sbe.org" <sbe at sbe.org>
Message-ID:
<AC792D507A31364B894BDF9E3F95C11BA5C5C0BF57 at postoffice.agape-church.org>
Content-Type: text/plain; charset="us-ascii"
We've been testing and trying out IP links using underbuilds on present analog MW links and the TCP-IP seems to be getting to where we can reasonably expect them to be. What we need some help on is getting ASI through IP links, with the hope that it can be a back-up digital STL. The ones we tested so far have jitter goosebumps to overcome.
Can anyone using a proven system share their experience and set-up that gets ASI from one site to another via IP? Can you do HD, too?
I'd appreciate getting info on what equipment you are using and your good or not-so-good experience with them.
Thanks!
Romualdo "Rolin" Lintag, CSTE
Chief RF Engineer
Victory Television Network
KVTN-DT 25.1 Little Rock, AR
KVTH-DT 26 Hot Springs, AR
KVTJ-DT 48 Jonesboro, AR
www.vtntv.com
'Smart people learn from their own experience but the wise ones from others."
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Message: 2
Date: Wed, 11 Aug 2010 09:35:21 -0400
From: "Mulliner, Rich" <MullinerR at WLNYTV.com>
Subject: Re: [SBE] ASI through IP for STL
To: "sbe member discussion mail list" <sbe at sbe.org>
Message-ID:
<BE8D2240A04FA6498C52959919E93BF205A7829F at wlny7.WLNYTVINC.COM>
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Rolin
I currently use (ASI-IP) to our head ends and transmission sites without
any problems, you can use MW or Ethernet to deliver the TS. Give me a
call and I would be happy to fill you in.
Richard L. Mulliner
Director of Engineering/IT WLNY TV
Office: 631-622-9471
Cell: 516-456-6606
________________________________
From: sbe-bounces at sbe.org [mailto:sbe-bounces at sbe.org] On Behalf Of
Rolin Lintag
Sent: Wednesday, August 11, 2010 9:08 AM
To: sbe at sbe.org
Subject: [SBE] ASI through IP for STL
We've been testing and trying out IP links using underbuilds on present
analog MW links and the TCP-IP seems to be getting to where we can
reasonably expect them to be. What we need some help on is getting ASI
through IP links, with the hope that it can be a back-up digital STL.
The ones we tested so far have jitter goosebumps to overcome.
Can anyone using a proven system share their experience and set-up that
gets ASI from one site to another via IP? Can you do HD, too?
I'd appreciate getting info on what equipment you are using and your
good or not-so-good experience with them.
Thanks!
Romualdo "Rolin" Lintag, CSTE
Chief RF Engineer
Victory Television Network
KVTN-DT 25.1 Little Rock, AR
KVTH-DT 26 Hot Springs, AR
KVTJ-DT 48 Jonesboro, AR
www.vtntv.com
'Smart people learn from their own experience but the wise ones from
others."
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Message: 3
Date: Wed, 11 Aug 2010 06:42:14 -0700 (PDT)
From: Dan Slentz <dan_slentz at yahoo.com>
Subject: Re: [SBE] ASI through IP for STL
To: sbe member discussion mail list <sbe at sbe.org>
Message-ID: <557152.70715.qm at web62408.mail.re1.yahoo.com>
Content-Type: text/plain; charset="utf-8"
I would consider that wireless IP (like Cisco or Trango's Link 45 or LinkGiga
being 45 mbps and 325 mpbs full duplex) with their 30 to 40 mile range could
work.?? I also think you may be able to take the ASI and convert it to a
more?"IP friendly" format and convert it back to ASI on the receiving end.?
Since you are only talking about 19.3 mbps, the Link45 gives you ample headroom
for loss.? Certainly there's latency in the conversion, but I think it might be
necessary in beefing up the format for delivery.
When talking with Harris about delivering an ASI stream over IP (landline/wired)
to remote translators, they do have gear that can transcode.? The nice part
about the Link45 is your are talking about non-broadcast gear that is fractional
in cost to traditional.? Plus when you have to contend with lost packets and the
nuances of IP, the ASI format may get a little "glitchy" without the
transcoding.? (Just my opinion)
When I did the news ENG (remote broadcast)?system using Slingbox (and later,
Slingbox HD) over a Trango, I found it to be very reliable.? In that case, the
latency had to be manageable to get a live shot smoothly in a newscast (SD was
about 2.5 seconds, so manageable, while HD could only really be used for pretty
weather shots since latency was 25 seconds).
Hope this might give you some thoughts to build on.? Good luck.
Dan Slentz
(formerly VP of Technology at KERA Dallas, Dir of Eng of WSFL Miami, and Chief
Eng of WHIZ Zanesville.. and currently in the job market looking for engineering
work)
________________________________
From: Rolin Lintag <rolin.lintag at vtntv.com>
To: "sbe at sbe.org" <sbe at sbe.org>
Sent: Wed, August 11, 2010 8:08:01 AM
Subject: [SBE] ASI through IP for STL
We?ve been testing and trying out IP links using underbuilds on present analog
MW links and the TCP-IP seems to be getting to where we can reasonably expect
them to be. What we need some help on is getting ASI through IP links, with the
hope that it can be a back-up digital STL. The ones we tested so far have jitter
goosebumps to overcome.
?
Can anyone using a proven system share their experience and set-up that gets ASI
from one site to another via IP? Can you do HD, too?
?
I?d appreciate getting info on what equipment you are using and your good or
not-so-good experience with them.
?
Thanks!
?
?
Romualdo "Rolin"?Lintag, CSTE
Chief RF Engineer
Victory Television Network
KVTN-DT 25.1 Little Rock, AR
KVTH-DT 26 Hot Springs, AR
KVTJ-DT 48 Jonesboro, AR
www.vtntv.com
?
?
?Smart people learn from their own experience but the wise ones from others.?
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Message: 4
Date: Wed, 11 Aug 2010 07:44:20 -0700 (PDT)
From: Francis Martin <ednixon at yahoo.com>
Subject: Re: [SBE] ASI through IP for STL
To: sbe member discussion mail list <sbe at sbe.org>
Message-ID: <774444.40782.qm at web37507.mail.mud.yahoo.com>
Content-Type: text/plain; charset="utf-8"
To convert ASI to IP (and back again)? i've used Scopus Codico IRD units, as well as K-Tech Telecom. Both work very well.
For radios on 5.8 or 2.4 I've used TranZeo or Trango. Congested WiFi areas can lead to
low thruput for these unlicensed systems, the longer the link, the more loss and slower rate, sometimes unusable. For a short link, less than 3 miles, they are reliable in most cases. A good integrator that I've worked with is SAS http://www.sa-solutions.com/
-fm-
--- On Wed, 8/11/10, Rolin Lintag <rolin.lintag at vtntv.com> wrote:
From: Rolin Lintag <rolin.lintag at vtntv.com>
Subject: [SBE] ASI through IP for STL
To: "sbe at sbe.org" <sbe at sbe.org>
Date: Wednesday, August 11, 2010, 6:08 AM
We?ve been testing and trying out IP
links using underbuilds on present analog MW links and the TCP-IP seems to be
getting to where we can reasonably expect them to be. What we need some help on
is getting ASI through IP links, with the hope that it can be a back-up digital
STL. The ones we tested so far have jitter goosebumps to overcome.
?
Can anyone using a proven system share their
experience and set-up that gets ASI from one site to another via IP? Can you do
HD, too?
?
I?d appreciate getting info on what
equipment you are using and your good or not-so-good experience with them.
?
Thanks!
?
?
Romualdo "Rolin"?Lintag, CSTE
Chief RF Engineer
Victory
Television Network
KVTN-DT
25.1 Little Rock, AR
KVTH-DT
26 Hot Springs, AR
KVTJ-DT
48 Jonesboro, AR
www.vtntv.com
?
?
?Smart people learn from their own
experience but the wise ones from others.?
?
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