John Pilzner

Sr. AV Systems Design Engineer, Alpha Video

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AV/IT Integration Content Creation Experience Design Other


Design Engineering Solutions Development



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Jul 20, 2023

Here's a link that shows some of their work on ruins and unfinished buildings. Fascinating!

Mar 07, 2023
Replying to John Pilzner

Ask yourself this question. 4K, por que?

Despite some excellent marketing efforts, there may be little reason to use in a given application.

@Iulia Popescu That is exactly my point. Depending on the quality of the content, the distance from the viewer to the screen, and the importance of a higher resolution, 4K may not be the right solution. Having said that, it may be the best solution, too, using the same criteria. 

I use 4K monitors for work, but I have a 1080p television. I sit less than two feet away from my 24" monitors, and over 12' away from my 60" television. Content aside, the potential visual acuity justifies 4K for my work monitors. As you pointed out, this is a big benefit for content creators, who's work could be presented in a myriad of applications with widely varying viewer distances, ambient light, etc.

Thanks for the post, and for sharing the math behind the formula. Also, the Skittles analogy is a nice touch. 

Mar 06, 2023

Ask yourself this question. 4K, por que?

Despite some excellent marketing efforts, there may be little reason to use in a given application.

Dec 14, 2022

Here's a pro tip from the Southwest where we run a vaporizer every night. Use distilled water to avoid the build up of mineral deposits that covers everything like dust when you use any other type of water.

Sep 21, 2022

"...speech intelligibility is not always compensated by just amplifying it." In fact, depending on the acoustics of the room, it may just amplify the problem. I had a client with a small multi-purpose space who tried to use it for presentations. He couldn't be understood due to the long reverb time, so he tried using a portable system. It only made the problem worse. After we installed wall and ceiling acoustic panels, he could do presentations unamplified with better speech intelligibility than he had ever experienced in the room. He was delighted with the outcome.

Jul 04, 2022

One option that has been easy to deploy with great results - cameras with AI tracking. This has been a game changer for stakeholders that I have worked with. The ability to view a person as more present than far away really helps a conversation feel more natural, per users I have spoken with. 

Logitech's Rally options have allowed users to leverage AI and manual PTZ functionality for instances where the tracking feeling just doesn't seem right for the scenario, for example.

What is also interesting is the opportunity for AV pros to coach up on ways to maximize the benefits of these tools. For instance, I worked with a team that installed new cameras in their conference room, and one of the main stakeholders mentioned that he was concerned about camera placement from another application where the placement was too low - not too low for visibility, or so low that it obstructed things for the meeting participants. It was too low because it showed the space underneath the table, which was a modesty issue for female clients. 

This was the opposite of analysis paralysis - the client was quick to purchase, but the installer was too quick on the setup, which made this client leery of certain issues for subsequent projects.

But this article hits the nail on the head - hybrid can no longer be viewed as a secondary type of experience. It is here, will continue to be here, and needs to be a key focus area for AV pros looking to help! 

AI and voice tracking are great for automatically adjusting the field of view of a PTZ camera. When the client can't afford multiple cameras, it is the best alternative.

It doesn't solve the problem of having all remote attendees individually framed, while the local attendees in a conference room share a camera (or two). Remote attendees miss all the visual cues of the local attendees not talking. One way to solve this is by using a multiviewer in the signal path in-between the cameras and the AV Bridge. This can be done with a dedicated multiviewer, or with a combo device. This isn't perfect, of course, but it is another option. 

What other creative solutions have people tried?

Jun 22, 2022

It changed Asimov's third law!?!?!?! For those unfamiliar, here is the list. This pushes every robot story into a Frankenstein's monster framework.

The Three Laws of Robotics

1.A robot may not injure a human being or, through inaction, allow a human being to come to harm.

2. A robot must obey the orders given to it by human beings, except where such orders would conflict with the First Law.

3. A robot must protect its own existence as long as such protection does not conflict with the First or Second Laws.