HDMI output

**johnmb** · 02-17-2016, 03:29 PM

One thing that matters to me for video work with the new K-1 is the HDMI output. Could you find out Adam if it is "clean" HDMI output? Many thanks.

Regards, johnmb

jhmos · 02-18-2016, 09:17 AM

Originally posted by johnmb

One thing that matters to me for video work with the new K-1 is the HDMI output. Could you find out Adam if it is "clean" HDMI output? Many thanks.

Regards, johnmb

I thought I read that it was clean but I can't find where I read it now, sorry

John.

angerdan · 09-05-2018, 05:45 AM

Originally posted by johnmb

One thing that matters to me for video work with the new K-1 is the HDMI output.

Could you find out Adam if it is "clean" HDMI output?

You can hide the menus completely during video capture on the camera screen.
But you have to deactivate electronic levels, viewfinder grid, AF and an inserted battery with more than 1/3 capacity level.

dotp · 12-02-2020, 11:44 AM

I too was able to remove all the overlays and produce a clean HDMI from my K-1. Can't speak to the frame-rate question or the resolution yet. Still working on that.

**clackers** · 12-02-2020, 04:01 PM

Originally posted by dotp

I too was able to remove all the overlays and produce a clean HDMI from my K-1. Can't speak to the frame-rate question or the resolution yet. Still working on that.

I think what people really mean by 'clean HDMI' is what would end up on the SD card - no overlays, but also the full resolution, not just suited to the little rear screen, and not compressed any further.

angerdan · 12-03-2020, 03:01 AM

Originally posted by clackers

I think what people really mean by 'clean HDMI' is what would end up on the SD card - no overlays, but also the full resolution, not just suited to the little rear screen, and not compressed any further.

No, "clean HDMI" is the clear definition for the HDMI output without any overlays - just the image from the sensor. Has nothing to do with SD Card, memory or compression.
HDMI - Wikipedia
HDMI Output | Magic Lantern Firmware Wiki | Fandom

dotp · 12-03-2020, 06:45 AM

Originally posted by angerdan

No, "clean HDMI" is the clear definition for the HDMI output without any overlays - just the image from the sensor. Has nothing to do with SD Card, memory or compression.
HDMI - Wikipedia
HDMI Output | Magic Lantern Firmware Wiki | Fandom

Oh. Okay. I was referring to no overlays and using it for webcam capture and live streaming.

**clackers** · 12-03-2020, 03:52 PM

Originally posted by dotp

Oh. Okay. I was referring to no overlays and using it for webcam capture and live streaming.

Well, live streaming has such a low bandwidth the Pentax Live View output should be fine.

But unacceptable for anything of broadcast or commercial quality.

**clackers** · 12-03-2020, 03:55 PM

Originally posted by angerdan

No, "clean HDMI" is the clear definition for the HDMI output without any overlays - just the image from the sensor. Has nothing to do with SD Card, memory or compression.
HDMI - Wikipedia

You've contradicted yourself, Angerdan.

Your wikipedia reference *clearly* says: " Therefore, usable uncompressed video out of HDMI is often called "clean HDMI"

The video to the Live View screen is a downsampled output of the recording to the SD card, it is *not* 1080p.

02-17-2016, 03:29 PM	#1
johnmb Site Supporter Join Date: Sep 2010 Location: Madrid Photos: Gallery Posts: 38	HDMI output One thing that matters to me for video work with the new K-1 is the HDMI output. Could you find out Adam if it is "clean" HDMI output? Many thanks. Regards, johnmb

09-05-2018, 05:45 AM	#3
angerdan Pentaxian Join Date: Feb 2015 Photos: Gallery \| Albums Posts: 2,324	Originally posted by johnmb One thing that matters to me for video work with the new K-1 is the HDMI output. Could you find out Adam if it is "clean" HDMI output? You can hide the menus completely during video capture on the camera screen. But you have to deactivate electronic levels, viewfinder grid, AF and an inserted battery with more than 1/3 capacity level. Last edited by angerdan; 09-05-2018 at 06:09 AM.

12-03-2020, 03:55 PM	#9
clackers Loyal Site Supporter Join Date: Jul 2013 Location: Melbourne Photos: Albums Posts: 16,149	Originally posted by angerdan No, "clean HDMI" is the clear definition for the HDMI output without any overlays - just the image from the sensor. Has nothing to do with SD Card, memory or compression. HDMI - Wikipedia You've contradicted yourself, Angerdan. Your wikipedia reference clearly says: " Therefore, usable uncompressed video out of HDMI is often called "clean HDMI" The video to the Live View screen is a downsampled output of the recording to the SD card, it is not 1080p. Last edited by clackers; 12-03-2020 at 04:04 PM.

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02-18-2016, 09:17 AM	#2
jhmos Senior Member Join Date: Jan 2014 Location: Melbourne Posts: 111	Originally posted by johnmb One thing that matters to me for video work with the new K-1 is the HDMI output. Could you find out Adam if it is "clean" HDMI output? Many thanks. Regards, johnmb I thought I read that it was clean but I can't find where I read it now, sorry John.

12-02-2020, 11:44 AM	#4
dotp Junior Member Join Date: Feb 2017 Location: Tennessee Posts: 25	I too was able to remove all the overlays and produce a clean HDMI from my K-1. Can't speak to the frame-rate question or the resolution yet. Still working on that.

12-02-2020, 04:01 PM	#5
clackers Loyal Site Supporter Join Date: Jul 2013 Location: Melbourne Photos: Albums Posts: 16,149	Originally posted by dotp I too was able to remove all the overlays and produce a clean HDMI from my K-1. Can't speak to the frame-rate question or the resolution yet. Still working on that. I think what people really mean by 'clean HDMI' is what would end up on the SD card - no overlays, but also the full resolution, not just suited to the little rear screen, and not compressed any further.

12-03-2020, 03:01 AM	#6
angerdan Pentaxian Join Date: Feb 2015 Photos: Gallery \| Albums Posts: 2,324	Originally posted by clackers I think what people really mean by 'clean HDMI' is what would end up on the SD card - no overlays, but also the full resolution, not just suited to the little rear screen, and not compressed any further. No, "clean HDMI" is the clear definition for the HDMI output without any overlays - just the image from the sensor. Has nothing to do with SD Card, memory or compression. HDMI - Wikipedia HDMI Output \| Magic Lantern Firmware Wiki \| Fandom

12-03-2020, 06:45 AM	#7
dotp Junior Member Join Date: Feb 2017 Location: Tennessee Posts: 25	Originally posted by angerdan No, "clean HDMI" is the clear definition for the HDMI output without any overlays - just the image from the sensor. Has nothing to do with SD Card, memory or compression. HDMI - Wikipedia HDMI Output \| Magic Lantern Firmware Wiki \| Fandom Oh. Okay. I was referring to no overlays and using it for webcam capture and live streaming.

12-03-2020, 03:52 PM	#8
clackers Loyal Site Supporter Join Date: Jul 2013 Location: Melbourne Photos: Albums Posts: 16,149	Originally posted by dotp Oh. Okay. I was referring to no overlays and using it for webcam capture and live streaming. Well, live streaming has such a low bandwidth the Pentax Live View output should be fine. But unacceptable for anything of broadcast or commercial quality.

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