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Live-Videostream (Hardware)

Live video stream (Hardware)



Frage von ceejay:
März 2012

Good morning, dear community, \u003cbr /\u003e\u003cbr /\u003e I am currently Pursuing with the establishment of a system for live streaming of various events (mostly presentations and corporate events). After my clients and most PAL resolution is too low, I'm on the search for an HD solution, which I invest little as possible and therefore want to do without HD video mixer. \u003cbr /\u003e\u003cbr /\u003e As far as I have ever seen her with something like software should be feasible. I am in the process as the following product hear: \u003cbr /\u003e http://www.slashcam.de/news/single/Mischen-of-4-Live-Videos-with-CutFour-HD-3-8479.html \u003cbr /\u003e\u003cbr /\u003e The Big Question now is, but how do I get the video in HD at the computer. One reads again and again of so-called "Black Magic Design cards." Ranges as something already



Antwort von thos-berlin:

With DeckLink cards (Black Magic) you get HD video (primarily SDI) into the computer. That is correct. \u003cbr /\u003e\u003cbr /\u003e Before you get over you but the HD production flow're concerned, just as much first: \u003cbr /\u003e\u003cbr /\u003e To hineinzubekommen an SD image in full quality on the Internet, you need an uplink of 2Mbit eigenlich already! I think the necessary data rate for HD is not less .... \u003cbr /\u003e\u003cbr /\u003e Perhaps the clients SD was too little, because the stream has been reached not even SD quality? ....



Antwort von ceejay:

Have you ever thank you for the answer. \u003cbr /\u003e Again in summary for me. \u003cbr /\u003e If I build using the Blackmagic cards 4 SDI Inputs into my computer and this is enough to be able to process EFFICIENTLY to 4 parallel video a.Ende I should get a mixed signal streaminfaehiges, right? \u003cbr /\u003e That is because I of course need a very strong connection boarding already clear to me. \u003cbr /\u003e\u003cbr /\u003e We had a company letzens with the stream and were then instructed the problem that the customer wanted the transmission in full-screen view Konferenzraeumen and with the SD resolution over all were not happy ...








Antwort von philbird:

You have to mix the signal is still synonymous. \u003cbr /\u003e You will not be processed with a PC and then 4 SDI signals can still stream. \u003cbr /\u003e\u003cbr /\u003e If you do want to read into the subject search in the forum time to BREATH. \u003cbr /\u003e This is hardware for mixing and streaming. \u003cbr /\u003e But anticipating, so it's not easy! \u003cbr /\u003e\u003cbr /\u003e I myself have recently for the company in the work I wanted a service provider specializing in the something like that with which we were very satisfied. \u003cbr /\u003e If you give me your email address, I'll send you link NEN.



Antwort von ceejay:

Wow ... BREATH-thingy looks so this looks really awesome. \u003cbr /\u003e My current plan would look like this. \u003cbr /\u003e Camera via SDI or HDMI in the ATEM image mixer and MAC control over them. The output signal I can then stream mittlels Capture Card.



Antwort von Bodis.tv:

Hi I just worried the ATEM / the smallest version \u003cbr /\u003e next week he will be thoroughly tested. \u003cbr /\u003e\u003cbr /\u003e So far I can only say top price, but it is not gold that gleams. \u003cbr /\u003e\u003cbr /\u003e as audio to get clean again costs 250, -. for a converter :-( SDI2Audio and "shall" then it is not synonymous with the recording to be synchronous, arises because the mixer over a delay I can try but only if the adapter is here. \u003cbr /\u003e\u003cbr /\u003e With the Black Magic Studio software you can not have other audio playback devices Select your :-( \u003cbr /\u003e\u003cbr /\u003e Also, all setters have to send in the same format. there is no up / down sampling possible. Output signal is equal to the input. \u003cbr /\u003e\u003cbr /\u003e Playback on the Mac with the original DP / HDMI adapter is not possible, but the adapter of HAMA is wonderful. (To



Antwort von thos-berlin:

Reports in detail on your BREATH! \u003cbr /\u003e\u003cbr /\u003e The Question is, how big the image is delay in the mixer. If the tone is then inflicted afterwards, would have to actually develop an offset image / tone. When a frame is no problem, otherwise it will be uncomfortable, because the tone comes from the image (the man knows so do not). Then it may be necessary with a signal processor is delayed. \u003cbr /\u003e\u003cbr /\u003e If the part is not an AES / EBU input? Perhaps the image is for synchronous (real but synonymous for brewing an adapter or a suitable digital audio mixer)



Antwort von Bodis.tv:

I will make \u003cbr /\u003e\u003cbr /\u003e and just for the AES / EBU input is needed in the rule an adapter, or where I have such a signal? \u003cbr /\u003e\u003cbr /\u003e it would be nice if I could tap directly from the SDI input



Antwort von philbird:

Borrow NEN digital mixer a.dem you can adjust the delay per channel.



Antwort von thos-berlin:

I thought the Zusatzgeraet Blackmagic Mini Converters a.Fully engage the "Audio to SDI SDI / HD-SDI / SDI audio embedder of 3G 8 Channel AES / EBU or 4 channel analog audio." But he is admittedly more expensive .... \u003cbr /\u003e\u003cbr /\u003e\u003cdiv class=\



Antwort von Bodis.tv:

I'm just the BM SDI - ordered> Analog \u003cbr /\u003e is with the 230 - and extremely cheap enough synonymous! because you get digital audio out synonymous. just not only a channel and 4 \u003cbr /\u003e\u003cbr /\u003e @ Tos \u003cbr /\u003e your proposal does the opposite audio in the SDI signal ;-) \u003cbr /\u003e\u003cbr /\u003e Since you have to watch closely. Some A / D converter can output the signal, but in this case to 110 ohm XLR and the need BREATH 75R on the right BNC adapter costs again 59th \u003cbr /\u003e\u003cbr /\u003e As I said just the jack of all trades places noEier ...



Antwort von thos-berlin:

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Antwort von Bodis.tv:

depends, of where is the tone. \u003cbr /\u003e\u003cbr /\u003e The tone in the SDI signal is ignored by the mixer! So simply thrown away, no preference whether SDI or HDMI :-( \u003cbr /\u003e for that is a separate AES / EBU input available. \u003cbr /\u003e this is for audio recording used by the USB Connection \u003cbr /\u003e\u003cbr /\u003e I'm now the road that I continue to give the audio signal from the mixer into a camera and lead of the cam via embedded SDI. \u003cbr /\u003e then in front of the mixer over the BM SDI> Audio over AES / EBU tie-in to the mixer. The SDI signal is durchgeschleft and goes into the mixer. \u003cbr /\u003e\u003cbr /\u003e Now that's the plan. \u003cbr /\u003e The audio signal I can be as synonymous with Help the Camera fits suitable level.



Antwort von ceejay:

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Antwort von thos-berlin:

On the Black Magic is a Behringer Page called AD-walking, which can be used well. Now I have not looked to see whether the the, I had found (see above). But is perhaps more useful than the audio signal to inject only into a camera, especially as we have sound mixer and video mixer usually in the immediate neighborhood, but rather the cameras next station ....



Antwort von masterseb:

Although now has nothing to do with multicam HD streaming. but to me the very enthusiastic http://shell.cerevo.com - usper easy, good qualitaet and ustream. got my degree and get the setup is super easy. ev for anyone of you interesting.




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