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Search: Keyword(s): ; Posts Made By: dr1394
Forum: HDTV Technical   01-21-2016, 08:32 PM
Replies: 169
Views: 11,726
Posted By dr1394
You may want to try -framerate 30000/1001 to fix...

You may want to try -framerate 30000/1001 to fix your A/V sync issue.

Ron
Forum: Local HDTV Info and Reception   01-10-2016, 05:20 PM
Replies: 13,576
Views: 1,074,568
Posted By dr1394
KSTS is on Mount Allison, not San Bruno Mountain....

KSTS is on Mount Allison, not San Bruno Mountain. From Mountain View, Mount Allison is truly "line of sight", and signals will be strong.

Ron
Forum: HDTV Technical   12-30-2015, 12:16 AM
Replies: 22
Views: 467
Posted By dr1394
Here's a link to some parabolic dish kits from...

Here's a link to some parabolic dish kits from the Netherlands.

http://rfhamdesign.com/products/parabolicdishkit/index.php

Pretty good prices, but you'll have to design your own feed.

Ron
Forum: HDTV Programming   12-09-2015, 05:58 AM
Replies: 23
Views: 801
Posted By dr1394
http://www.w6rz.net/vs20151284.png ...

http://www.w6rz.net/vs20151284.png

http://www.w6rz.net/vs20152963.png

http://www.w6rz.net/vs20154816.png

http://www.w6rz.net/vs20155055.png

http://www.w6rz.net/vs20155560.png
Forum: HDTV Technical   12-06-2015, 03:38 AM
Replies: 55
Views: 1,392
Posted By dr1394
I have an AT&T LTE node right across the street...

I have an AT&T LTE node right across the street from me. Even on a little indoor antenna, it's pretty strong. If I had a TV antenna on my tower (which is about the same height as the LTE antenna), it...
Forum: Display Calibration   11-24-2015, 01:50 PM
Replies: 29
Views: 672
Posted By dr1394
I know what you're getting at, but there's still...

I know what you're getting at, but there's still the issue of YCbCr to RGB conversion. Any test disc authored with a YCbCr codec (pretty much all of them) will have to be targeted at a specific...
Forum: Display Calibration   11-23-2015, 03:32 PM
Replies: 29
Views: 672
Posted By dr1394
You mean it's an Ultra Blu-ray specification...

You mean it's an Ultra Blu-ray specification constraint? I didn't know that. I'm not in the video compression industry any longer, so I'm out of the loop on specification fine details.

Ron
Forum: Display Calibration   11-23-2015, 02:38 PM
Replies: 29
Views: 672
Posted By dr1394
H.264 is fully capable of ITU-R BT.2020....

H.264 is fully capable of ITU-R BT.2020. Currently, the only color primaries and transfer characteristics you have to use H.265 for are SMPTE ST 428-1 and SMPTE ST 2084.

Ron
Forum: HDTV Technical   11-12-2015, 09:02 AM
Replies: 48
Views: 1,099
Posted By dr1394
Looks like the WiFi transmitter can't be...

Looks like the WiFi transmitter can't be silenced. A pretty poor design considering the congestion on 2.4 GHz.

Here's a long thread on the Comcast forum where many others are having the same...
Forum: HDTV Technical   11-11-2015, 03:48 PM
Replies: 48
Views: 1,099
Posted By dr1394
Yes, I've rebooted quite a few times. Once during...

Yes, I've rebooted quite a few times. Once during the online chat with Comcast.

It is possible that the public WiFi is logically off (not sending an SSID or accepting connections). However, I'm...
Forum: HDTV Technical   11-11-2015, 02:20 PM
Replies: 48
Views: 1,099
Posted By dr1394
I tried to disable the public WiFi hotspot on my...

I tried to disable the public WiFi hotspot on my router, but the Comcast online method indicated that I didn't have an eligible gateway. So I hooked up my SDR receiver to see if the router was...
Forum: HDTV Technical   11-10-2015, 02:29 AM
Replies: 48
Views: 1,099
Posted By dr1394
I finally plugged in my Comcast DOCSIS 3.0...

I finally plugged in my Comcast DOCSIS 3.0 modem/router (an Arris TG862) that I received August 2014 (yes, over a year ago).

Mark12547's post with the configuration page compelled me to finally...
Forum: HDTV Recorders   11-05-2015, 04:19 AM
Replies: 45
Views: 909
Posted By dr1394
It doesn't have anything to do with copyright....

It doesn't have anything to do with copyright. It's all about consumer demand. All the major Japanese, Korean and Chinese manufacturers pulled out of the US DVD recorder market because they just...
Forum: HDTV Technical   10-18-2015, 05:40 PM
Replies: 11
Views: 540
Posted By dr1394
ATSC 3.0 Physical Layer Specification

The ATSC 3.0 Physical Layer Protocol specification has been published as a candidate standard.

http://atsc.org/wp-content/uploads/2015/10/S32-230r21-PHY-STD-CS.pdf

It's very similar to DVB-T2....
Forum: Local HDTV Info and Reception   09-13-2015, 11:02 PM
Replies: 13,576
Views: 1,074,568
Posted By dr1394
You can have omni-directional antennas with...

You can have omni-directional antennas with plenty of gain. For example, the antennas that TV stations are using to transmit with.

Instead of concentrating the RF in a cardinal direction, they...
Forum: HDTV Technical   08-30-2015, 04:13 PM
Replies: 5
Views: 221
Posted By dr1394
It's not nearly as mysterious as you make it out...

It's not nearly as mysterious as you make it out to be. First of all, citing random research papers that you googled is not useful. What's actually in the current MPEG-2 video specification is the...
Forum: Local HDTV Info and Reception   08-05-2015, 06:15 PM
Replies: 13,576
Views: 1,074,568
Posted By dr1394
It should be noted that 11.3 and 48.3 are 720p...

It should be noted that 11.3 and 48.3 are 720p instead of 1080i.

Ron
Forum: Local HDTV Info and Reception   07-27-2015, 01:00 PM
Replies: 13,576
Views: 1,074,568
Posted By dr1394
There's also MPEG-4 audio. The latest incarnation...

There's also MPEG-4 audio. The latest incarnation is called HE-AAC v2 (High Efficiency Advanced Audio Coding version 2).

Ron
Forum: Local HDTV Info and Reception   07-25-2015, 08:52 PM
Replies: 13,576
Views: 1,074,568
Posted By dr1394
All smart TV's (TV's that connect to the...

All smart TV's (TV's that connect to the internet) have an H.264 decoder. They have to, in order to decode Netflix.

You're probably seriously underestimating the number of TV's that can decode...
Forum: HDTV Technical   07-24-2015, 12:42 AM
Replies: 13
Views: 286
Posted By dr1394
When I started in the video compression biz, I...

When I started in the video compression biz, I was working at C-Cube Microsystems developing the first real-time MPEG-1 and MPEG-2 encoders. The studios would send C-Cube D1 tapes of material for...
Forum: HDTV Technical   07-20-2015, 11:34 AM
Replies: 316
Views: 15,275
Posted By dr1394
From the link, the Korean DVB-T2 service is using...

From the link, the Korean DVB-T2 service is using 256QAM with 5/6 code rate. Those parameters will provide a required signal to noise ratio of about 22 dB (in an AWGN channel).

For ATSC 3.0 in the...
Forum: HDTV Programming   07-15-2015, 08:03 PM
Replies: 393
Views: 7,711
Posted By dr1394
My least favorite commercial right now is the...

My least favorite commercial right now is the resurrected KFC Colonel. It's so creepy.
Forum: Local HDTV Info and Reception   06-24-2015, 11:09 PM
Replies: 13,576
Views: 1,074,568
Posted By dr1394
The pattern would be the usual dipole figure-8...

The pattern would be the usual dipole figure-8 with the major lobes perpendicular to the plane of your computer monitor (that is, one lobe pointed directly at your line of sight and the other lobe...
Forum: Local HDTV Info and Reception   06-23-2015, 11:00 PM
Replies: 13,576
Views: 1,074,568
Posted By dr1394
If you're using the AVSForum-DARK style, you may...

If you're using the AVSForum-DARK style, you may want to switch to the AVSForum-new style to see the above diagrams better.

Ron
Forum: Local HDTV Info and Reception   06-23-2015, 10:51 PM
Replies: 13,576
Views: 1,074,568
Posted By dr1394
The dipoles of a turnstile are fed 90 degrees out...

The dipoles of a turnstile are fed 90 degrees out of phase. It has circular polarization when looking at it from above and omni-directional horizontal polarization when looking at it from the side....
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