Electronics > Projects, Designs, and Technical Stuff

Transmit HD Video

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NiHaoMike:

--- Quote from: Miti on August 08, 2020, 05:09:47 pm ---Decrypt encrypted content and then broadcast it? Sure recipe for serious legal issues.
And how would you make sure it is only received by another HDCP device?

--- End quote ---
You can always encrypt the broadcast with another encryption scheme and/or use a nonstandard protocol.

Cigarsnob:
Sou from the looks of it, this sounds like a task that is not recommended. Am I understanding that correctly?

Issues being:

1. Getting the main transmitter/receiver parts from a company as I'm just a one man shop consulting business
       Although this wouldn't be a starting point?: https://www.analog.com/en/parametricsearch/11353#/
2. broadcasting legal issues (possibly?)
3. Not much design support readily available such as documentation, eval boards, etc

Scrts:
I am not sure if that latency is achievable with wireless devices... Certainly not with encoding. Unless it's OK with latency as long as audio latency is the same? You can look into Miracast.

Also check this out: https://mtlynch.io/tinypilot/
However, at least 200ms...

Can you describe your problem/task/idea more, so forum users could think of other options?

cdev:
If you are looking to do something thats non-commercial and for your own personal or educational use, to make friends, even, there is a huge amateur radio community, for our purposes here "radio" includes all sorts of different modes, both analog and digital. People are inventing new kinds of signals every day.

You really should look into amateur (ham radio) television. With UHF and above, a tiny amount of power can sometimes carry an incredible distance if it is lline of sight.


--- Quote from: Cigarsnob on August 08, 2020, 07:47:41 pm ---Sou from the looks of it, this sounds like a task that is not recommended. Am I understanding that correctly?

Issues being:

1. Getting the main transmitter/receiver parts from a company as I'm just a one man shop consulting business
       Although this wouldn't be a starting point?: https://www.analog.com/en/parametricsearch/11353#/
2. broadcasting legal issues (possibly?)
3. Not much design support readily available such as documentation, eval boards, etc

--- End quote ---

Marco:

--- Quote from: Cigarsnob on August 08, 2020, 07:47:41 pm ---Although this wouldn't be a starting point?

--- End quote ---

Lattice is the most realistic source for a complete 60 GHz wireless chipset solution (WirelessHD) which includes all the encoding/decoding. But I'm not sure they are even making them any more, I suspect it was a giant dud and everyone is selling through inventory.

Here's an off the shelf product from monoprice using the chips.

If it has to be done with modules or chips and you can't get it from Lattice, I'd give up on 60 GHz. You might be able to find some suppliers for modules for low latency H.264 over 5 GHz WiFi.

PS. just for a laugh, here's a pic of the WirelessHD solution including beam forming antenna array ... you think it's realistic to rebuild something like that from ICs up? I suspect all the third parties just use(d) their modules as is.

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