My First Webcast

[russellhltn]

I have tons of coax cable, just need to get a composite to coax converter (and probably a VDA).

Assuming the coax is the correct impedance and doesn't have things like splitters or attenuators in line, all you need is a RCA plug. Or were you talking about something other then composite?

excuse my ignorance, but does download traffic take away from upload bandwidth?

It depends on the streaming protocol in use. It may be sending control or acknowledgement packets back, so there will be some traffic. But as long as you have only one download stream, I wouldn't expect it to cause problems with the upload stream. Not unless you're running very close to your limit.

[craiggsmith]

OK, thanks very much. Last I measured we had 600k upload speeds, so I've only been running the webcast at the lowest quality, so there should be a little room. I'll have to measure it again though.

And no, just talking about a composite signal, just a coax to RCA adapter.

[russellhltn]

And no, just talking about a composite signal, just a coax to RCA adapter.

Hmmmm. What kind of coax? I'm starting to wonder if it's the right coax for the job.

A quick guide:

RG-58, RG-8, RG-213: 50 ohms. Used in radio applications such as amateur radio and CB. Frequently has PL-239 (AKA "UHF") connector. Also used for 10Base2 thin Ethernet where it usually has a BNC connector.

RG-59, RG-6, RG-11, Belden 9913: 75 ohms. Composite video, CCTV distribution. Typically has RCA or "F" connector. But may have BNC.

RG-62: 93 ohms. IBM terminals and ARCNET. Typically has BNC.

Using the wrong cable will cause the signal to suffer or be unusually sensitive about the length of cable.

[stephen500]

We use the same code again and again, even after a breakdown and have never had a problem?
To monitor broadcasts going out we long on to a computer using the url.
We have suppiled to us a small montior (7 inch) to monitor the camera.
We also use a video enhancer, I have forgotten what its proper name is!
That increases the colour.
We also found that if we shut the curtains and made sure that none of the camera was focused in on a light then the autofocus would not upset the balance and the colour would be much better.
We also found that upload speeds did not have to be great to acheive a good broadcast.

[stephen500]

Great feedback, thanks for sharing.Some quick thoughts:
·Sometimes, when the webcast crashes, it does not have a chance to “clean up after itself” and close the session or connection properly. When trying to reuse the ID, the streaming server thinks the node is already taken and ignores the request.
·That is funny/sad about the children moving the camera! We are working with the facilities department to see how cameras could we mounted in the chapel in the future.
·We are also working with facilities to see how to simplify the cable experience and what AV connections are available.
·Have you tried the software version of Meetinghouse Webcast? To learn more, please visit the Software Download and User Guide or try the latest Beta Version.

You can turn the camera upside down and change it by a button on the back. You can then have it fixed in a chapel.

[craiggsmith]

A quick guide:

RG-58, RG-8, RG-213: 50 ohms. Used in radio applications such as amateur radio and CB. Frequently has PL-239 (AKA "UHF") connector. Also used for 10Base2 thin Ethernet where it usually has a BNC connector.

RG-59, RG-6, RG-11, Belden 9913: 75 ohms. Composite video, CCTV distribution. Typically has RCA or "F" connector. But may have BNC.

RG-62: 93 ohms. IBM terminals and ARCNET. Typically has BNC.

Using the wrong cable will cause the signal to suffer or be unusually sensitive about the length of cable.

Thanks very much! I didn't realize there were so many kinds - I thought they were all 75 ohms. I can't imagine why we would have anything else, but I'll check.

[craiggsmith]

We use the same code again and again, even after a breakdown and have never had a problem?
To monitor broadcasts going out we long on to a computer using the url.
We have suppiled to us a small montior (7 inch) to monitor the camera.
We also use a video enhancer, I have forgotten what its proper name is!
That increases the colour.
We also found that if we shut the curtains and made sure that none of the camera was focused in on a light then the autofocus would not upset the balance and the colour would be much better.
We also found that upload speeds did not have to be great to acheive a good broadcast.

Good to know, thanks!

[russellhltn]

I can't imagine why we would have anything else, but I'll check.

I was getting the impression you had a bunch of coax from another project. If it was from amateur radio or old computer wiring, it would be the wrong type.

[waynecooke]

I am not the *guy* but for our Stake Conferences, my son-in-law, the STS, sets up three cameras, one each on the ledges that run along the sides of the chapel, just in front of the overflow, which give angle shots, and one in the middle on a table, on which is a telescope tripod with a remotely operated left to right and up and down option, as well as zoom on the camera.

He also sets up a projector in the Cultural Hall which projects on a screen that drops from the back side of the overflow so that the members in the Cultural Hall can see the broadcast on the large screen, and the words of the hymns as well as the names and wards of the speakers are on the screen. He also has *picture-in-picture* capabilities which he uses during hymns, showing the stand/congregation at the same time as the chorister.

It takes a fast computer and two monitors and several different types of software, but it is very effective.