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Source Switching ohne spezielle Video-Karte?

Source Switching with no special video card?



Frage von Raggi:
Juni 2007

Hello
Objective: live streaming of worship

Equipment available:
- 2 laptops with 2GB RAM and DualCentrino
- 2 MiniDV DigiCam from the amateur class (my firewire cable and USB)
- WLAN with DSL 16000
- Sound is already mixed in a large mixer

Streaming preferred solution: www.UStream.tv

Question: how can I source switching of the two cameras realize?
I come to special video capture card is not around?
What software can be synonymous with no special offer card?

Greetings!
Raggi



Antwort von thos-berlin:

SuH-EDV Oldenburg(synonymous in this forum) SuH-EDV Oldenburg
Output may be hard drive, Firewire, card graphics and synonymous WEB chosen (unfortunately not at the same time, several versions available)

A tester has known me, however, with his calculator niegelnagelneuen still had performance problems. However, in three cameras.

But it cost us nothing ....




Antwort von Raggi:

Thanks for the reply, thos-berlin!

now have with the producers of "Live Mixer" is spoken. The sounds quite attractive, it synonymous to the test in the computer video 04/07 is good.

Unfortunately, the tool with 3000EUR far beyond that which our community can afford

Regards
Raggi








Antwort von thos-berlin:

Oh, I knew garnicht that the software was tested ....

If this is beyond your budget, then you should synonymous alternative technique to consider.

From Edirol Video and Data is hardware mixer, whose output signal into a PC could restore (eg via converter and Firewire). Even second hand mixer (eg Panasonic or JVC KM600) would come into question.

Whether its the only way and without further investment the project can start, or whether only with the existing equipment is feasible, it seems to me farglich. But I'm s.Fortgang of the project, especially if you are a cheaper software for the live cut finds.



Antwort von megalutzi:

Hello,
So I'm in software solutions basically just skeptical. At least the performance of a Centrino notebook will not suffice.
I recommend that since the good old hardware, like synonymous analog, in the web provides eh no man.



Antwort von Raggi:

Hello,
the issue is still topical.
2 Digicams to s.einen laptop with 4GB RAM CentrinoDualCore be connected. It is a software to change the cams on live streaming sought. So far I have only PCI video cards, no boxes or USB PCMCIA Cards

Who knows from there?
Thank you, Raggi



Antwort von thos-berlin:

I think the answers are still relevant synonymous ;-)

If with an analog hardware mixer gearbeitert, could you have an AD converter (Canopus, for example video or data), the mixed signal via Firewire to the laptop source here.

Alternatively, you could have a USB-grabbers try (for the Web is probably sufficient)

I did recently on a hardware DV switcher read. Perhaps would be in question.

If really with the PC should be cut, you should once again be present at SUH (which are synonymous appropriate hardware) or by VJ software look for.

For the import of analog signals into a special notebook me fall apart from the above mentioned AD converter no maps. Even if it were, there is still the problem, a suitable software for switching between these connections to be found.

In the area there is a firewire (so) there are there are for laptops firewire card, only the newer cards are called ExpressCard slots.



Antwort von Markus:

Raggi simply can not believe what we write here, what? * * neckend ;-) Let's see what s.Software maybe in future times will be developed. The computers are already so far SD / PAL live process, but now want all the HD ...

Same question in the video forum:
Source Switching with no special video card?



Antwort von thos-berlin:

;-)



Antwort von kletzsch:

Hello
I have already often read that question here. We will send live for 2 years on the Internet and mix multiple sources, pictures, Articles and DV cameras with the program Wirecast from the U.S..
Previously, we have endless painstaking experiments with the Windows Media Encoder made of us really has brought to despair and so the system to their knees. Most program encoding and streaming applications, the CPU loads of 70 to 80% from what a reasonable transfer with multiple sources on the Internet is no longer possible. Incidentally, it is easy for Windows Media Encoder s.den multiple sources via firewire anzuschliesen and channels between the source switch, it must only be made visible source and the source can be selected by clicking. If it were not for the CPU utilization

Even the Free Software Raycaster who eigendlich quite ordenlich works is also Recoursenhungrig. With Wirecast is the problem of CPU utilization dramatically improved. there are about 30% charged.

We have 2 Firewire DV Cameras s.verschiedenen interfaces wounded. The software has different levels, each with photos, videos, live sources of DV, USB, Capturecarten or title may be demonstrated. There are many blending options.

The parameters and all assets are defined in configuration files and can be edited. There is only one snag. The settings in the configuration files need to be monitored and adjusted from time to time, since the program was written purely everything is connected and then on the next startup problems, if the source is not connected. A trial version is available on www.wirecast.com The software will cost 400 euros and a few




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