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Forum: Restore, Filter, Improve Quality 10-09-2019, 11:27 PM
Replies: 36
Views: 23,998
Posted By jazz57
The problem with going VHS > DPS decode/TBC >...

The problem with going VHS > DPS decode/TBC > CVBS > TBS185 decode is you're limited by the DPS's initial notch filtered decoder in TBC mode. To take advantage of the Golden Gate you really need to...
Forum: Restore, Filter, Improve Quality 07-03-2018, 02:07 PM
Replies: 36
Views: 23,998
Posted By jazz57
I guess newer isn't always better. Apparently...

I guess newer isn't always better. Apparently both the comb filtering and TBC are done in software running on FPGAs. Either they didn't have the horsepower to do both simultaneously or they weren't...
Forum: Restore, Filter, Improve Quality 07-03-2018, 01:58 AM
Replies: 36
Views: 23,998
Posted By jazz57
My Observations

The DPS-475/575 Units have a plethora of features going for them including a custom designed 3D comb filter, Proc. Amp, Test Pattern Generator, and a wide array of in- and out-puts, including SDI....
Forum: Restore, Filter, Improve Quality 06-03-2015, 10:47 PM
Replies: 61
Views: 12,337
Posted By jazz57
That's what I figured but they didn't admit it...

That's what I figured but they didn't admit it until the next model came out, the X75. By then the TBC was an optional feature.

How is the Brighteye in terms of stabilizing consumer tapes? Are you...
Forum: Restore, Filter, Improve Quality 06-03-2015, 08:00 PM
Replies: 61
Views: 12,337
Posted By jazz57
Thanks for uploading those, WaxCyl! From what...

Thanks for uploading those, WaxCyl! From what I've seen on my DPS-575 it just doesn't do well with composite material in TBC mode. The resolution is significantly reduced and I believe the comb...
Forum: Tech Myths, Misinformation 10-08-2014, 01:53 PM
Replies: 17
Views: 15,835
Posted By jazz57
That's too bad. I wish someone would put a...

That's too bad. I wish someone would put a modern chip in one of these devices. From the paper you cited it looks like the newer AD devices do an amazing job cleaning up the sync signals--some of...
Forum: Tech Myths, Misinformation 10-08-2014, 02:45 AM
Replies: 17
Views: 15,835
Posted By jazz57
From what I was able to to glean from the...

From what I was able to to glean from the datasheets "responds to Macrovision" means they detect it but that doesn't necessarily mean you can't use the chip to eliminate it. Just ignore the...
Forum: Tech Myths, Misinformation 10-07-2014, 10:25 PM
Replies: 17
Views: 15,835
Posted By jazz57
What I find interesting about this is Analog...

What I find interesting about this is Analog Devices sells chips containing their new ADLLT circuitry described in that paper. The chips, called SDTV decoders, cost only a few dollars. Pairing one...
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