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 Post subject: Re: SingMai FPGA external 3D comb filter
PostPosted: 15 Oct 2021, 17:41 
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audioboyz1973 wrote:
Do you have a display with SDI input?

I currently have no device with SDI input.

Thinking that we'd all need some kind of SDI-HDMI convertor at some point to be able to implement this.

If you are set up for capture I'd think most devices can capture from a non-hdcp hdmi source (though honestly with no capture experience just winging it there). Perhaps just disclosure about what was used to convert to HDMI? The recommended Blackmagic might be ideal as it could be the most common option of any adopters, however just a good representation with disclosure regarding the SDI-HDMI conversion should be very adequate and obviously far better than nothing.

The truth is nothing does anything perfectly.


I am getting the feeling that the whole Kramer "test" this person did was an advertisement for this device all along. The eval / 2144 / Kramer are all near perfect and somehow this thing has bested all of them? Color me skeptical.
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 Post subject: Re: SingMai FPGA external 3D comb filter
PostPosted: 15 Oct 2021, 17:57 
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audioboyz1973 wrote:
I currently have no device with SDI input.

Oops, you reminded that I have a CII
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 Post subject: Re: SingMai FPGA external 3D comb filter
PostPosted: 15 Oct 2021, 18:13 
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pbiancardi wrote:

I am getting the feeling that the whole Kramer "test" this person did was an advertisement for this device all along. The eval / 2144 / Kramer are all near perfect and somehow this thing has bested all of them? Color me skeptical.



Are you kidding me?


I'm interested in a good 3D Y/C solution.

read on this board about the Eval board.

by the time I read it, there was no chance for me to get one.

Someone else posted about the Kramer unit, bought one two weeks ago

looked at 3 different units , gave my findings, that's it.

why would I buy a Kramer unit if I would advertise for something that I bought

before?

why jump to conclusions that make no sense?
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 Post subject: Re: SingMai FPGA external 3D comb filter
PostPosted: 15 Oct 2021, 18:17 
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nidi wrote:
pbiancardi wrote:

I am getting the feeling that the whole Kramer "test" this person did was an advertisement for this device all along. The eval / 2144 / Kramer are all near perfect and somehow this thing has bested all of them? Color me skeptical.



Are you kidding me?


I'm interested in a good 3D Y/C solution.

read on this board about the Eval board.

by the time I read it, there was no chance for me to get one.

Someone else posted about the Kramer unit, bought one two weeks ago

looked at 3 different units , gave my findings, that's it.

why would I buy a Kramer unit if I would advertise for something that I bought

before?

why jump to conclusions that make no sense?


As someone who has seen 2144, Eval, Kramer, and X0 comb filters all I am saying is I am skeptical.
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 Post subject: Re: SingMai FPGA external 3D comb filter
PostPosted: 15 Oct 2021, 19:52 
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pbiancardi wrote:

As someone who has seen 2144, Eval, Kramer, and X0 comb filters all I am saying is I am skeptical.



well, you have basically seen 2 kind of filters, as 3 of the above mentioned ones are the same chipset.

skeptical? come on...
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 Post subject: Re: SingMai FPGA external 3D comb filter
PostPosted: 15 Oct 2021, 22:22 
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nidi wrote:
pbiancardi wrote:

As someone who has seen 2144, Eval, Kramer, and X0 comb filters all I am saying is I am skeptical.



well, you have basically seen 2 kind of filters, as 3 of the above mentioned ones are the same chipset.

skeptical? come on...


Ok I'll be more specific, the fact that you think the X0 comb filter is better than the 7842 in the Kramer makes me extremely skeptical of your opinion.
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 Post subject: Re: SingMai FPGA external 3D comb filter
PostPosted: 16 Oct 2021, 12:22 
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carrboroman wrote:
thanks guys, the "usual suspects" as expected, great to see you are interested... looks like the lddb.com FPGA team is born!

I'm gonna check with Daniel if he has a player for testing... any advice on the model? I guess the point is not having the best composite to begin with to see how much it can improve the output?

What kind of tests/patterns/movies should we consider the bar? i.e., my concern is about frame rate and possible LD-specific quirks, like resolution or cadence etc..

What I gathered so far, is that the SM03 accepts NTSC/PAL or SECAM inputs, which it decodes using a 3D comb filter, it provides video noise reduction, resynchronizes the video to a stable output and provides contrast enhancement (histogram equalization). The output is SDI without upscaling or deinterlacing, but it's based on previous broadcasters projects for BBC and RAI, so the strong point are decoding and noise reduction.


Am I too late to join? I know Verilog is superseded by SystemVerilog but VHDL stays quite the same. The analog part is always fascinating!
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 Post subject: Re: SingMai FPGA external 3D comb filter
PostPosted: 14 Nov 2021, 02:53 
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nidi wrote:
from the early DVD days, I used SDI as an output, was/is so much better than what component was/is capable of.

started with the Crystalio 1 , went up to the Chtystaio II then the Radiance XS+

bought a Blackmagic Terranex SDI to HDMI converter, which I haven't used yet.

was hoping to use an external capture device , like the Blackmagic Design Video Assist 3G.

am hoping to find someone who could tell if it's worth it.


You would need BlackMagic UltraStudio SDI to USB 3.0 capture device to capture lossless AVI 4:2:2 720x480 (720x576 PAL/SECAM), Similar PCI card is available for desktops.

https://www.ebay.com/itm/224660912503?h ... SwMQdhde-T
or:
https://www.ebay.com/itm/324839509020?h ... SwEFlhbu5m
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