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#312295 - 05/21/19 01:42 AM Re: Roundtable for April 2019 [Re: Greger]
pondering_it_all Offline
veteran

Registered: 02/27/06
Posts: 8798
Loc: North San Diego County
I think they may have used my chip in Japan. But that's a nifty use of bonding for HD video. They would need to have a few seconds of buffer so they can reassemble the six cellular streams into one isochronous HD stream.

I was recently working on upgrading drone video from NTSC to HD (just 720P) a while back. There was a very nice chip that would compress an HD camera output into an H.264 digital stream. Their existing radio had the needed bandwidth, so all we had to do was get the compression chip on board. It went very well. I think all the military drone operators are now getting HD images back.

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#312305 - 05/21/19 11:57 PM Re: Roundtable for April 2019 [Re: pondering_it_all]
Jeffery J. Haas Offline

It's the Despair Quotient!
Pooh-Bah

Registered: 08/03/04
Posts: 14349
Loc: Whittier, California
Originally Posted By: pondering_it_all
I think they may have used my chip in Japan. But that's a nifty use of bonding for HD video. They would need to have a few seconds of buffer so they can reassemble the six cellular streams into one isochronous HD stream.

I was recently working on upgrading drone video from NTSC to HD (just 720P) a while back. There was a very nice chip that would compress an HD camera output into an H.264 digital stream. Their existing radio had the needed bandwidth, so all we had to do was get the compression chip on board. It went very well. I think all the military drone operators are now getting HD images back.


It's almost impossible to believe that H.264 (AVC) is now SIXTEEN YEARS OLD. Some of us don't even have cars that old anymore.
But I also remember that, with the editing computer workstations of 2003, the H.264 codec was enough to bring even an enterprise level machine to its knees, especially in a 32 bit environment, which described most systems still in use at the time.

And now H.265 (HEVC) is experiencing the same kind of computational "jet lag" and it also comes with some hefty licensing fees, at least compared to the older MPEG fee schedules.
Hardware mfrs are loathe to get cornered with those MPEG fees.
I remember when JVC changed TWO single header bits on a frame in order to create their own workaround to the MPEG-2 based "HDV" codec so that their hard drive and SD card based consumer camcorders could be price competitive.
The JVC codec was .TOD and all you had to do was rename the file extension and a TOD file would work in any editing software, but it caused a ton of anguish among editors who did not have the engineering chops to understand JVC's cute little parlor trick.
Far as they were concerned, a TOD file would not work, period.

I don't know if anyone is trying to backdoor the H.265 codec but take a look at it, as it is quite astounding, if you don't already know about it.

H.264 vs H.265&#8202;&#8202;A technical comparison.
_________________________
The only people pushing the Athenian Straw Man Nonexistent Threat of Slippery Slope Windyfoggery (ASMNSSW) RE DEMOCRACY are people who have a misunderstanding/problem or hatred of democracy. (See AUTHORITARIANS)

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#312309 - 05/22/19 07:29 AM Re: Roundtable for April 2019 [Re: Greger]
pondering_it_all Offline
veteran

Registered: 02/27/06
Posts: 8798
Loc: North San Diego County
I put 18 solar panels on their ground-mount frame today. Lots of work, made less than easy by 15 MPH winds. Carrying those panels by myself was a bitch and a half. They want to take off in that wind. Fortunately they acted fine once they were mounted: The ground-mount is rated for 110 MPH wind! Got to get all the wiring done tomorrow because the building inspector comes on Thursday. I just need to connect the solar panel strings to the underground wiring, otherwise everything else is connected.

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#312320 - 05/23/19 12:35 AM Re: Roundtable for April 2019 [Re: pondering_it_all]
Jeffery J. Haas Offline

It's the Despair Quotient!
Pooh-Bah

Registered: 08/03/04
Posts: 14349
Loc: Whittier, California
Originally Posted By: pondering_it_all
I put 18 solar panels on their ground-mount frame today. Lots of work, made less than easy by 15 MPH winds. Carrying those panels by myself was a bitch and a half. They want to take off in that wind. Fortunately they acted fine once they were mounted: The ground-mount is rated for 110 MPH wind! Got to get all the wiring done tomorrow because the building inspector comes on Thursday. I just need to connect the solar panel strings to the underground wiring, otherwise everything else is connected.


You're in good shape, buddy.
That's a lot of work, good on you mate.
Keep us posted.
_________________________
The only people pushing the Athenian Straw Man Nonexistent Threat of Slippery Slope Windyfoggery (ASMNSSW) RE DEMOCRACY are people who have a misunderstanding/problem or hatred of democracy. (See AUTHORITARIANS)

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#312321 - 05/23/19 03:22 AM Re: Roundtable for April 2019 [Re: pondering_it_all]
Greger Offline

Carpal Tunnel

Registered: 11/24/06
Posts: 15544
Loc: Florida
Quote:
They want to take off in that wind.


More than one man has been dragged off the roof while humping plywood around.

If I was able I'd be doing it too. It amazes me that power providers aren't building huge solar arrays everywhere. It's free fuel...seems like a no brainer to me...? We don't have much wind down here but we have tons of blazing assed sunshine way too much of the time. The main use for solar down here is rooftop water heaters for swimming pools.
_________________________
"Be yourself; everyone else is already taken." Oscar Wilde

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#312322 - 05/23/19 06:49 AM Re: Roundtable for April 2019 [Re: Greger]
pondering_it_all Offline
veteran

Registered: 02/27/06
Posts: 8798
Loc: North San Diego County
Always walk upwind of the plywood. That way the wind can take the plywood, instead of the plywood and you!

Got the last PV cables today and connected them. System works! My electric meter shows a negative KWatt number with the whole system enabled. I was surprised when the building inspector told me I could actually turn it on to test it, with no inspection. But I guess it a fiasco trying to get pre-turnon inspection, then turn it on, then get a post-turnon inspection.

The wind actually made the solar panels lighter, so there was that. But I could have done without it. Had to do a bunch of crawling around under the array today to get it connected and to zip-tie some of the cables to the frame. Inspectors like to see everything neat and clean, so I may do some more zip ties before he comes.

Funny they need solar heat for pools in Florida: Last time I was there, we went out on a boat to do some snorkeling and I was getting seasick from the choppy warm water. I had to get out of the water and back on the boat to feel better. I think a much better use for solar would be for hot water heating. Those systems have a much shorter payback time than solar electric.

Maybe it's a cost thing? If the hurricane takes your pool heater, it's no big deal. Those things are quite cheap.

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#312329 - 05/23/19 03:02 PM Re: Roundtable for April 2019 [Re: pondering_it_all]
Ujest Shurly Offline
newbie

Registered: 10/16/16
Posts: 475
Loc: Sterling Heights, MI, USA
Other than Hurricane Season, Florida is a great place to generate hot water and electricity. If your work on it enough, you can also wring plenty of water from the air and ship it to CA, AZ and NM. crazy
_________________________
MAGA, impeach Trump.

Vote 2020

Life is like a PB&J sandwich. The older you get, the moldery and crustier you get.

Now, get off my grass!

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#312337 - 05/23/19 06:34 PM Re: Roundtable for April 2019 [Re: Greger]
pondering_it_all Offline
veteran

Registered: 02/27/06
Posts: 8798
Loc: North San Diego County
I live in North San Diego County and we desalinate ocean water. It costs less in electricity to desalinate right here than to transport it from the Sacrament delta! Not too many people know that, but water transportation uses about 25% of the electricity generated in California. Shipping it from Florida would cost more than desalinating the Pacific Ocean, the Gulf of California, or the Gulf of Mexico. Same for all those "ship it from Oregon, Washington, or British Columbia" ideas.

That's why the idea that we will have "fresh water wars" is BS: Fresh water is available almost everywhere, it just has a cost that's higher than a river running through town. But the cost is surprisingly low, and you can even generate the needed electricity with solar panels since it doesn't have to run at night.

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#312342 - 05/24/19 04:09 AM Re: Roundtable for April 2019 [Re: Greger]
pondering_it_all Offline
veteran

Registered: 02/27/06
Posts: 8798
Loc: North San Diego County
Passed my inspection except I need to post two signs that show where all the solar equipment is for firefighters. I should have them in a couple of days.

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#312343 - 05/24/19 05:07 PM Re: Roundtable for April 2019 [Re: Greger]
pondering_it_all Offline
veteran

Registered: 02/27/06
Posts: 8798
Loc: North San Diego County
So Assange has had his indictment upgraded to include charges about receiving secret information that the Washington Post and the New York Times could also be charged with. I think this is a ploy by the Trump administration to prevent him ever being extradited by England or Sweden to the US, since neither of those countries is going to send someone for political persecution. Upgrading the charges before extradition is either extremely stupid or tactical. I don't think Trump's guys are all extremely stupid.

I suppose if Assange was brave, he would call their bluff, wave extradition, and spill EVERYTHING at trial. He would likely be found not guilty of the receiving charges and the original charge was that he offered to help hack a DoD computer but failed. Maybe he could make a deal for a light sentence in exchange for testimony about other stuff, like all the involvement of the Trump campaign and Russia in publishing the stolen emails.

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