<![CDATA[Streaming Media Forums - Webcasting]]> http://forums.streamingmedia.com/ Sat, 21 Nov 2009 08:45:56 -0500 MyBB <![CDATA[Point 2 Point Live Stream plus a live stream over the web]]> http://forums.streamingmedia.com/thread-10722.html Fri, 20 Nov 2009 00:18:20 -0500 jmcutting http://forums.streamingmedia.com/thread-10722.html
I have looked at Light Cast and Livestream as well as others... and feel one or all of these would do the online stream. My big issue is providing a high quality stream between the two locations at the best quality possible and have no delay.

Then at the same time keeping the budget reasonable.

thanks in advance,
-justin

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]]>
I have looked at Light Cast and Livestream as well as others... and feel one or all of these would do the online stream. My big issue is providing a high quality stream between the two locations at the best quality possible and have no delay.

Then at the same time keeping the budget reasonable.

thanks in advance,
-justin

Reply to this posting here.

]]> <![CDATA[RE: Video Streaming]]> http://forums.streamingmedia.com/thread-10705.html Tue, 27 Oct 2009 08:52:49 -0400 TimT http://forums.streamingmedia.com/thread-10705.html Hi

From experience I suspect that you are likely to hit problems (excuse me for stating the obvious but.....with live you only get one shot).

If you are talking about 500 concurrent viewers, assuming a regular hosting co will suffice is very dangerous. When you read the small print you typically find that whilst the SLA states 40Gb of transfer, it won't be provisioned to be used in a single 1hr chunk... (more like an aggregate shared by multiple customers over the month)

For delivery you would typically be better of using a CDN designed for live traffic (do contact me off list).

For encoding you would reduce the risk of problems by using a hardware encoder rather than a Macbook & delivering the stream in Flash or wmv. This will enable you to serve a high number of both PC & MAC viewers without getting bogged down in tedious support issues.

Lastly the IP connection to the streaming servers..... Ideally you should have a non contended link as contention in ADSL lines is one of the most common oversights associated with unsuccessful webcasts. Where dedicated bandwidth is not available we typically use IP satellite links with CIR set approximately 20% above the streams bit rate e.g. get a 600K CIR if you are streaming at 512K. Depending on which part of the world the event is being produced we may be able to point you in the direction of IP satellite provider (off list)

Good Luck!

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]]> Hi

From experience I suspect that you are likely to hit problems (excuse me for stating the obvious but.....with live you only get one shot).

If you are talking about 500 concurrent viewers, assuming a regular hosting co will suffice is very dangerous. When you read the small print you typically find that whilst the SLA states 40Gb of transfer, it won't be provisioned to be used in a single 1hr chunk... (more like an aggregate shared by multiple customers over the month)

For delivery you would typically be better of using a CDN designed for live traffic (do contact me off list).

For encoding you would reduce the risk of problems by using a hardware encoder rather than a Macbook & delivering the stream in Flash or wmv. This will enable you to serve a high number of both PC & MAC viewers without getting bogged down in tedious support issues.

Lastly the IP connection to the streaming servers..... Ideally you should have a non contended link as contention in ADSL lines is one of the most common oversights associated with unsuccessful webcasts. Where dedicated bandwidth is not available we typically use IP satellite links with CIR set approximately 20% above the streams bit rate e.g. get a 600K CIR if you are streaming at 512K. Depending on which part of the world the event is being produced we may be able to point you in the direction of IP satellite provider (off list)

Good Luck!

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]]> <![CDATA[Video Streaming]]> http://forums.streamingmedia.com/thread-10705.html Tue, 27 Oct 2009 06:15:50 -0400 a13wes http://forums.streamingmedia.com/thread-10705.html
I'm looking to broadcast a live 60 minute conference/webinar, It'll be streamed to no more than 500 viewers, probably with a low quality & high quality stream.

Is there any tips anyone can recommend for setting this up?

I've been looking at hosting etc, as I know it can be very bandwidth intensive. I have found a hosting company that normally offers shoutcast and game server services (So I would assume their servers would be capable?) and was thinking that a package with 40gb transfer a month would be more than suffice, however I have asked them if their servers would be up to the task.

Is there anything else I should be taking into consideration?

For a setup.. I have a camera man and sound technician, so was thinking a macbook pro set up with an application such as quicktime media server to broadcast to a http address? The internet connection is 300k+.

Is this the best way to achieve this or am I missing something?

Reply to this posting here.

]]>
I'm looking to broadcast a live 60 minute conference/webinar, It'll be streamed to no more than 500 viewers, probably with a low quality & high quality stream.

Is there any tips anyone can recommend for setting this up?

I've been looking at hosting etc, as I know it can be very bandwidth intensive. I have found a hosting company that normally offers shoutcast and game server services (So I would assume their servers would be capable?) and was thinking that a package with 40gb transfer a month would be more than suffice, however I have asked them if their servers would be up to the task.

Is there anything else I should be taking into consideration?

For a setup.. I have a camera man and sound technician, so was thinking a macbook pro set up with an application such as quicktime media server to broadcast to a http address? The internet connection is 300k+.

Is this the best way to achieve this or am I missing something?

Reply to this posting here.

]]> <![CDATA[RE: hardware streaming 30 cams]]> http://forums.streamingmedia.com/thread-10655.html Sun, 19 Jul 2009 15:32:40 -0400 Dave http://forums.streamingmedia.com/thread-10655.html
If the cameras have built in encoders e.g. network webcams, and only a few connections are required per camera, then you could even do it without a computer. Some ethernet CCTV systems may also be of interest.

If you require a lot of connections per camera, then you will probably require a streaming server to multiply the streams to support the required numbers.

If your cameras don't have built in encoders, then you will probably require a number of computers to carry out the encoding before sending the stream to the streaming server. If you are looking at 24/7 you may need extra computers to provide resilience.

Bandwidth will depend on the total number of streams and their bit rates at any one time. This will also depend on whether you have a streaming proxy available at the ISP end, which means you may only have to send 30 streams over the broadband connection instead of 3,000.

Dave

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]]>
If the cameras have built in encoders e.g. network webcams, and only a few connections are required per camera, then you could even do it without a computer. Some ethernet CCTV systems may also be of interest.

If you require a lot of connections per camera, then you will probably require a streaming server to multiply the streams to support the required numbers.

If your cameras don't have built in encoders, then you will probably require a number of computers to carry out the encoding before sending the stream to the streaming server. If you are looking at 24/7 you may need extra computers to provide resilience.

Bandwidth will depend on the total number of streams and their bit rates at any one time. This will also depend on whether you have a streaming proxy available at the ISP end, which means you may only have to send 30 streams over the broadband connection instead of 3,000.

Dave

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]]> <![CDATA[RE: hardware streaming 30 cams]]> http://forums.streamingmedia.com/thread-10655.html Mon, 20 Jul 2009 12:24:26 -0400 Dave http://forums.streamingmedia.com/thread-10655.html
You could also avoid having to use a computer if you opted for some sort of a network camera. Just plug 30 network cameras into a 48 port network switch, configure the camera settings and you are on-line. Each user then connects directly to a particular camera.

Cost will come into it as network cameras still tend to be quite expensive, although you can get some cheaper ones like:
http://cpc.farnell.com/grandtec/ip-camer...dp/CS15557

USB cameras like the VX-3000 are cheap (VX-1000 even cheaper) however you will need some sort of encoder to stream them. This would involve a number of computers, as I doubt you will manage to run 30 off one machine.

It may be worth looking at some of the low end security systems, as some of them are based around USB cameras, but typically I think they are just doing a video frame grab from each camera in turn.

You could also perhaps try a network USB hub (Belkin make one) but you may find you need to use older cameras to keep the data rate manageable. Modern hi-res webcams can use a lot of bandwidth over USB.

You mention low frame rate, but is video resolution important ?

Also, what sort of interface is the end user going to be using ? Some sort of web page, or will it be a custom application ? This may have an impact on the options.

Dave

Reply to this posting here.

]]>
You could also avoid having to use a computer if you opted for some sort of a network camera. Just plug 30 network cameras into a 48 port network switch, configure the camera settings and you are on-line. Each user then connects directly to a particular camera.

Cost will come into it as network cameras still tend to be quite expensive, although you can get some cheaper ones like:
http://cpc.farnell.com/grandtec/ip-camer...dp/CS15557

USB cameras like the VX-3000 are cheap (VX-1000 even cheaper) however you will need some sort of encoder to stream them. This would involve a number of computers, as I doubt you will manage to run 30 off one machine.

It may be worth looking at some of the low end security systems, as some of them are based around USB cameras, but typically I think they are just doing a video frame grab from each camera in turn.

You could also perhaps try a network USB hub (Belkin make one) but you may find you need to use older cameras to keep the data rate manageable. Modern hi-res webcams can use a lot of bandwidth over USB.

You mention low frame rate, but is video resolution important ?

Also, what sort of interface is the end user going to be using ? Some sort of web page, or will it be a custom application ? This may have an impact on the options.

Dave

Reply to this posting here.

]]> <![CDATA[hardware streaming 30 cams]]> http://forums.streamingmedia.com/thread-10655.html Sun, 19 Jul 2009 13:48:26 -0400 navidos http://forums.streamingmedia.com/thread-10655.html
i have a quistion regadring streaming live video over internet.
since im new in this im asking for your experiies i this area,

Im in need of streamin out 30 cams 24h/7
and im wondering what type of computer do i need,

is it enough with one computer or do i need several.
what type of broadband will i need
is 100mb/ sek enough or should i request more from te isp.

hope some of you can help me out..

sincerly

navidos

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]]>
i have a quistion regadring streaming live video over internet.
since im new in this im asking for your experiies i this area,

Im in need of streamin out 30 cams 24h/7
and im wondering what type of computer do i need,

is it enough with one computer or do i need several.
what type of broadband will i need
is 100mb/ sek enough or should i request more from te isp.

hope some of you can help me out..

sincerly

navidos

Reply to this posting here.

]]> <![CDATA[RE: hardware streaming 30 cams]]> http://forums.streamingmedia.com/thread-10655.html Sun, 19 Jul 2009 15:58:03 -0400 navidos http://forums.streamingmedia.com/thread-10655.html (07-19-2009 03:32 PM)Dave Wrote:  Depends on several factors such as what sort of cameras you intend to use, what video bit rates, how many client streams are required to be supported, etc.

If the cameras have built in encoders e.g. network webcams, and only a few connections are required per camera, then you could even do it without a computer. Some ethernet CCTV systems may also be of interest.

If you require a lot of connections per camera, then you will probably require a streaming server to multiply the streams to support the required numbers.

If your cameras don't have built in encoders, then you will probably require a number of computers to carry out the encoding before sending the stream to the streaming server. If you are looking at 24/7 you may need extra computers to provide resilience.

Bandwidth will depend on the total number of streams and their bit rates at any one time. This will also depend on whether you have a streaming proxy available at the ISP end, which means you may only have to send 30 streams over the broadband connection instead of 3,000.

Dave
thanx dave for the answer.

there will 30 users each per camera. each user can only watch 1 camera. so you will never have more than 30 user on acutally watching or loading the site. the fps rate is not of importence since the camera will be filming a non moving objekt. so maybe a regular webcam will do such as Microsoft Lifecam VX-3000 ,

or do you have any recomendations for me and what type of camera i should invest in?

Reply to this posting here.

]]> (07-19-2009 03:32 PM)Dave Wrote:  Depends on several factors such as what sort of cameras you intend to use, what video bit rates, how many client streams are required to be supported, etc.

If the cameras have built in encoders e.g. network webcams, and only a few connections are required per camera, then you could even do it without a computer. Some ethernet CCTV systems may also be of interest.

If you require a lot of connections per camera, then you will probably require a streaming server to multiply the streams to support the required numbers.

If your cameras don't have built in encoders, then you will probably require a number of computers to carry out the encoding before sending the stream to the streaming server. If you are looking at 24/7 you may need extra computers to provide resilience.

Bandwidth will depend on the total number of streams and their bit rates at any one time. This will also depend on whether you have a streaming proxy available at the ISP end, which means you may only have to send 30 streams over the broadband connection instead of 3,000.

Dave
thanx dave for the answer.

there will 30 users each per camera. each user can only watch 1 camera. so you will never have more than 30 user on acutally watching or loading the site. the fps rate is not of importence since the camera will be filming a non moving objekt. so maybe a regular webcam will do such as Microsoft Lifecam VX-3000 ,

or do you have any recomendations for me and what type of camera i should invest in?

Reply to this posting here.

]]> <![CDATA[RE: hardware streaming 30 cams]]> http://forums.streamingmedia.com/thread-10655.html Sun, 16 Aug 2009 23:18:41 -0400 rose2009 http://forums.streamingmedia.com/thread-10655.html
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]]>
simulation taux banque credit immobilier de France - Credit immobilier de France, simulation credit immobilier. Résultat mitigé pour le crédit immobilier de France.simulation taux banque credit immobilier de France

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]]> <![CDATA[RE: hardware streaming 30 cams]]> http://forums.streamingmedia.com/thread-10655.html Fri, 25 Sep 2009 01:59:46 -0400 sri http://forums.streamingmedia.com/thread-10655.html (07-20-2009 12:24 PM)Dave Wrote:  If there is only one user per camera, then you could avoid having to use a streaming server.

You could also avoid having to use a computer if you opted for some sort of a network camera. Just plug 30 network cameras into a 48 port network switch, configure the camera settings and you are on-line. Each user then connects directly to a particular camera.

Cost will come into it as network cameras still tend to be quite expensive, although you can get some cheaper ones like:
http://cpc.farnell.com/grandtec/ip-camer...dp/CS15557

USB cameras like the VX-3000 are cheap (VX-1000 even cheaper) however you will need some sort of encoder to stream them. This would involve a number of computers, as I doubt you will manage to run 30 off one machine.

It may be worth looking at some of the low end security systems, as some of them are based around USB cameras, but typically I think they are just doing a video frame grab from each camera in turn.

You could also perhaps try a network USB hub (Belkin make one) but you may find you need to use older cameras to keep the data rate manageable. Modern hi-res webcams can use a lot of bandwidth over USB.

You mention low frame rate, but is video resolution important ?

Also, what sort of interface is the end user going to be using ? Some sort of web page, or will it be a custom application ? This may have an impact on the options.

Dave
(07-20-2009 12:24 PM)Dave Wrote:  If there is only one user per camera, then you could avoid having to use a streaming server.

You could also avoid having to use a computer if you opted for some sort of a network camera. Just plug 30 network cameras into a 48 port network switch, configure the camera settings and you are on-line. Each user then connects directly to a particular camera.

Cost will come into it as network cameras still tend to be quite expensive, although you can get some cheaper ones like:
http://cpc.farnell.com/grandtec/ip-camer...dp/CS15557

USB cameras like the VX-3000 are cheap (VX-1000 even cheaper) however you will need some sort of encoder to stream them. This would involve a number of computers, as I doubt you will manage to run 30 off one machine.

It may be worth looking at some of the low end security systems, as some of them are based around USB cameras, but typically I think they are just doing a video frame grab from each camera in turn.

You could also perhaps try a network USB hub (Belkin make one) but you may find you need to use older cameras to keep the data rate manageable. Modern hi-res webcams can use a lot of bandwidth over USB.

You mention low frame rate, but is video resolution important ?

Also, what sort of interface is the end user going to be using ? Some sort of web page, or will it be a custom application ? This may have an impact on the options.

Dave
hi friends ......
Here is something intresting for you all .....
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]]> (07-20-2009 12:24 PM)Dave Wrote:  If there is only one user per camera, then you could avoid having to use a streaming server.

You could also avoid having to use a computer if you opted for some sort of a network camera. Just plug 30 network cameras into a 48 port network switch, configure the camera settings and you are on-line. Each user then connects directly to a particular camera.

Cost will come into it as network cameras still tend to be quite expensive, although you can get some cheaper ones like:
http://cpc.farnell.com/grandtec/ip-camer...dp/CS15557

USB cameras like the VX-3000 are cheap (VX-1000 even cheaper) however you will need some sort of encoder to stream them. This would involve a number of computers, as I doubt you will manage to run 30 off one machine.

It may be worth looking at some of the low end security systems, as some of them are based around USB cameras, but typically I think they are just doing a video frame grab from each camera in turn.

You could also perhaps try a network USB hub (Belkin make one) but you may find you need to use older cameras to keep the data rate manageable. Modern hi-res webcams can use a lot of bandwidth over USB.

You mention low frame rate, but is video resolution important ?

Also, what sort of interface is the end user going to be using ? Some sort of web page, or will it be a custom application ? This may have an impact on the options.

Dave
(07-20-2009 12:24 PM)Dave Wrote:  If there is only one user per camera, then you could avoid having to use a streaming server.

You could also avoid having to use a computer if you opted for some sort of a network camera. Just plug 30 network cameras into a 48 port network switch, configure the camera settings and you are on-line. Each user then connects directly to a particular camera.

Cost will come into it as network cameras still tend to be quite expensive, although you can get some cheaper ones like:
http://cpc.farnell.com/grandtec/ip-camer...dp/CS15557

USB cameras like the VX-3000 are cheap (VX-1000 even cheaper) however you will need some sort of encoder to stream them. This would involve a number of computers, as I doubt you will manage to run 30 off one machine.

It may be worth looking at some of the low end security systems, as some of them are based around USB cameras, but typically I think they are just doing a video frame grab from each camera in turn.

You could also perhaps try a network USB hub (Belkin make one) but you may find you need to use older cameras to keep the data rate manageable. Modern hi-res webcams can use a lot of bandwidth over USB.

You mention low frame rate, but is video resolution important ?

Also, what sort of interface is the end user going to be using ? Some sort of web page, or will it be a custom application ? This may have an impact on the options.

Dave
hi friends ......
Here is something intresting for you all .....
<a href='http://www.google.com'</a>

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]]> <![CDATA[RE: hardware streaming 30 cams]]> http://forums.streamingmedia.com/thread-10655.html Fri, 25 Sep 2009 02:01:51 -0400 sri http://forums.streamingmedia.com/thread-10655.html
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]]>
here is something intresting for u..........

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]]> <![CDATA[PC Encoder Solution]]> http://forums.streamingmedia.com/thread-10654.html Wed, 15 Jul 2009 08:10:08 -0400 mdman1970 http://forums.streamingmedia.com/thread-10654.html Wonder if anybody can point me in the right direction - and apologies if my lack of reseach shows - but thought it best to get a pointer here first.

We're looking at PC based hardware/software live webcast encoder solutions.

Basically we have two requirements:
- encoder failover
- software realtime video mixer

We are looking at using Black Magic capture cards in both the encoding PCs

So just need a couple of pointers:
1) are the any PC encoder solutions that provide automatic failover - meaning should one PC encoder fail - the other comes out of standby and is now the active encoder?

2) As well as providing automatic failover, are there any products out there (PC based) that provide good quaility/UI realtime video mixing.

Whilst posting, would you recommend we use Black Magic cards - or do you have other preferences.

Any feedback most welcome

Many Thanks
Rich

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]]> Wonder if anybody can point me in the right direction - and apologies if my lack of reseach shows - but thought it best to get a pointer here first.

We're looking at PC based hardware/software live webcast encoder solutions.

Basically we have two requirements:
- encoder failover
- software realtime video mixer

We are looking at using Black Magic capture cards in both the encoding PCs

So just need a couple of pointers:
1) are the any PC encoder solutions that provide automatic failover - meaning should one PC encoder fail - the other comes out of standby and is now the active encoder?

2) As well as providing automatic failover, are there any products out there (PC based) that provide good quaility/UI realtime video mixing.

Whilst posting, would you recommend we use Black Magic cards - or do you have other preferences.

Any feedback most welcome

Many Thanks
Rich

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]]> <![CDATA[MP3 Streaming Issue]]> http://forums.streamingmedia.com/thread-10635.html Mon, 22 Jun 2009 05:45:33 -0400 seahawk789 http://forums.streamingmedia.com/thread-10635.html
Is Flash Player causing the hitch?
What are the usual aspects to be taken care of in case of audio during live transmission ?

Please help me...

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]]>
Is Flash Player causing the hitch?
What are the usual aspects to be taken care of in case of audio during live transmission ?

Please help me...

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]]> <![CDATA[RE: MP3 Streaming Issue]]> http://forums.streamingmedia.com/thread-10635.html Thu, 25 Jun 2009 05:36:18 -0400 seahawk789 http://forums.streamingmedia.com/thread-10635.html Please help me out...

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]]> Please help me out...

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]]> <![CDATA[RE: Webcasting Studio]]> http://forums.streamingmedia.com/thread-10634.html Thu, 18 Jun 2009 13:25:22 -0400 Dave http://forums.streamingmedia.com/thread-10634.html
I'd probably start by trying to place a realistic figure on how much it is costing you to run with the current situation, and then look at the cost of buying/renting appropriately furnished space. Assuming you initially were to use the same kit for streaming, then that will allow you to:
a) work out how long (if ever) it would take at the current rate for you to recover the costs by building and maintaining a permanent studio
b) project how much you would have to increase your activity by to make it a worthwhile move

You'd then have to take on board if your current clients would be prepared to relocate to your studio, or whether they would prefer to remain where they are. I've seen cases where state of the art studios remain empty, and the majority of the work ends up being carried out at the clients location. That's people for you I guess.

Dave

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]]>
I'd probably start by trying to place a realistic figure on how much it is costing you to run with the current situation, and then look at the cost of buying/renting appropriately furnished space. Assuming you initially were to use the same kit for streaming, then that will allow you to:
a) work out how long (if ever) it would take at the current rate for you to recover the costs by building and maintaining a permanent studio
b) project how much you would have to increase your activity by to make it a worthwhile move

You'd then have to take on board if your current clients would be prepared to relocate to your studio, or whether they would prefer to remain where they are. I've seen cases where state of the art studios remain empty, and the majority of the work ends up being carried out at the clients location. That's people for you I guess.

Dave

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]]> <![CDATA[Webcasting Studio]]> http://forums.streamingmedia.com/thread-10634.html Thu, 18 Jun 2009 12:48:41 -0400 Chad C747 http://forums.streamingmedia.com/thread-10634.html Chad
chadc@wsba.org

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]]> Chad
chadc@wsba.org

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]]> <![CDATA[RE: Webcasting Studio]]> http://forums.streamingmedia.com/thread-10634.html Thu, 18 Jun 2009 19:01:40 -0400 Chad C747 http://forums.streamingmedia.com/thread-10634.html
Thanks again.
Chad

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]]>
Thanks again.
Chad

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]]> <![CDATA[RE: Webcasting Studio]]> http://forums.streamingmedia.com/thread-10634.html Thu, 06 Aug 2009 07:55:30 -0400 danie jazz http://forums.streamingmedia.com/thread-10634.html webcast transcription service at cost-effective rates in TranscriptionStar

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]]> webcast transcription service at cost-effective rates in TranscriptionStar

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]]> <![CDATA[RE: Webcasting Studio]]> http://forums.streamingmedia.com/thread-10634.html Thu, 06 Aug 2009 07:55:43 -0400 danie jazz http://forums.streamingmedia.com/thread-10634.html
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]]>
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]]> <![CDATA[RE: Flash live streaming multiple bitrates]]> http://forums.streamingmedia.com/thread-10632.html Wed, 24 Jun 2009 06:34:27 -0400 cata12 http://forums.streamingmedia.com/thread-10632.html
Hello:
You shall try a broadcasting solution for the project you want to develop. If it's a LIVE show why using a Tv capture card ? You just need a video camera connected to the computer and with the software installed you will be able to do the streaming on any websites.
I can tell you about BlinkoTV because this is what I am using and it is very user friendly. You just need 2 minutes to setup everything. A good computer configuration will be needed (3 Ghz processor and 1 Gb Ram)and a good internet connection ( balanced upload/download speed). You can also set the bitrate and the video quality (SD or HD).

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]]>
Hello:
You shall try a broadcasting solution for the project you want to develop. If it's a LIVE show why using a Tv capture card ? You just need a video camera connected to the computer and with the software installed you will be able to do the streaming on any websites.
I can tell you about BlinkoTV because this is what I am using and it is very user friendly. You just need 2 minutes to setup everything. A good computer configuration will be needed (3 Ghz processor and 1 Gb Ram)and a good internet connection ( balanced upload/download speed). You can also set the bitrate and the video quality (SD or HD).

Reply to this posting here.

]]> <![CDATA[RE: Flash live streaming multiple bitrates]]> http://forums.streamingmedia.com/thread-10632.html Tue, 09 Jun 2009 06:55:31 -0400 TimT http://forums.streamingmedia.com/thread-10632.html
We get good consistent results with Black Magic cards. When installed in a high spec PC (quad processor with lots of RAM) they run at aprox 10% CPU usage. I would rather run multiple encoders each with a Black Magic card for resilience, as opposed to a single box/point of failure & they are inexpensive!

Let us know if you would you like to run tests with our CDN, Outside Broadcast Unit, encoders etc?


Regards

tim.thompson@global-mix.com

(06-08-2009 03:57 PM)flwtech Wrote:  We are trying to understand the requirements for a project to stream live video to a Content Delivery Network running Flash Media Servers. Multiple cameras will be fed into a Tricaster Studio.

The question - what do we need to encode the output of the Tricaster Studio to multiple bitrates (300 / 500) or (300 / 500 / 800) of Flash. Some have told us that we need an appliance such as the Viewcast Niagara Surf. Others have said that we can take the output of the Tricaster into a video capture card and use FMLE 3.0 to send out multiple bit rates of Flash.

If we can use a video capture card, we are looking at DRC or Osprey cards which are listed as compatible with FMLE 3.0. This will be a live event sent to a Content Delivery Network such as Edgecast or Limelight and we are very concerned about the quality.

We are also concerned about the PC hardware required to host the video capture card and do the transcoding in real time for a live event. If anyone has hands-on experience with this type of setup, we would appreciate your insight or any corrections to my current very shallow understanding. This is uncharted waters for us.

Thank you!


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We get good consistent results with Black Magic cards. When installed in a high spec PC (quad processor with lots of RAM) they run at aprox 10% CPU usage. I would rather run multiple encoders each with a Black Magic card for resilience, as opposed to a single box/point of failure & they are inexpensive!

Let us know if you would you like to run tests with our CDN, Outside Broadcast Unit, encoders etc?


Regards

tim.thompson@global-mix.com

(06-08-2009 03:57 PM)flwtech Wrote:  We are trying to understand the requirements for a project to stream live video to a Content Delivery Network running Flash Media Servers. Multiple cameras will be fed into a Tricaster Studio.

The question - what do we need to encode the output of the Tricaster Studio to multiple bitrates (300 / 500) or (300 / 500 / 800) of Flash. Some have told us that we need an appliance such as the Viewcast Niagara Surf. Others have said that we can take the output of the Tricaster into a video capture card and use FMLE 3.0 to send out multiple bit rates of Flash.

If we can use a video capture card, we are looking at DRC or Osprey cards which are listed as compatible with FMLE 3.0. This will be a live event sent to a Content Delivery Network such as Edgecast or Limelight and we are very concerned about the quality.

We are also concerned about the PC hardware required to host the video capture card and do the transcoding in real time for a live event. If anyone has hands-on experience with this type of setup, we would appreciate your insight or any corrections to my current very shallow understanding. This is uncharted waters for us.

Thank you!


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