Search found 243 matches

by jasonl
Thu Dec 10, 2020 6:06 pm
Forum: ATSC 3.0 Forum
Topic: ATSC 3.0: Tampa
Replies: 14
Views: 2030

Re: ATSC 3.0: Tampa

Does this mean we won't have real 4K broadcast for another 5 years? I bought this solely for the 4K broadcast, even the local news in 4K is fine (understanbly big 4 commercial network will stick with 1080/60i + 720/60p for a while It means no one knows if or when we'll ever have 4K available via br...
by jasonl
Thu Dec 10, 2020 5:48 pm
Forum: ATSC 3.0 Forum
Topic: ATSC 3.0 Portland - 2020
Replies: 164
Views: 15628

Re: ATSC 3.0 Portland: QUATRO 4K

Keep in mind that ATSC 3 doesn't use transport streams, and the ones you do get from the HDHomeRun are being generated on the fly so that ATSC 3 broadcasts can be received by apps that haven't been updated to support ATSC 3 (i.e. literally everything). You can use the HTTP source in TSReader to tune...
by jasonl
Tue Dec 08, 2020 7:10 pm
Forum: HDHomeRun Software Setup & Troubleshooting (Live & DVR)
Topic: Channel Line-up Errors
Replies: 5
Views: 329

Re: Channel Line-up Errors

What cable provider/type of CableCARD?
by jasonl
Tue Dec 08, 2020 7:09 pm
Forum: HDHomeRun Software Setup & Troubleshooting (Live & DVR)
Topic: No Tuners Available - Getting More Common But not True
Replies: 10
Views: 561

Re: No Tuners Available - Getting More Common But not True

Stream closed would tend to indicate that something interfered with communications between the DVR and the device. What do the device logs show at that time?
by jasonl
Mon Dec 07, 2020 6:05 pm
Forum: HDHomeRun Hardware Setup & Troubleshooting
Topic: What can you do with the hardware without a subscription?
Replies: 3
Views: 388

Re: What can you do with the hardware without a subscription?

AFAIK EyeTV hasn't supported the HDHomeRun since version 3.6.9 or something like that, so upgrading to 4 will definitely be much worse since it won't work at all.
by jasonl
Mon Dec 07, 2020 6:00 pm
Forum: HDHomeRun Software Setup & Troubleshooting (Live & DVR)
Topic: No Tuners Available - Getting More Common But not True
Replies: 10
Views: 561

Re: No Tuners Available - Getting More Common But not True

You need to post more of the log from around that time to get an answer. "no tuners available" has a lot of potential causes. All tuners being in use is one of them, but if it tries to tune and the station is off-air, or the signal is bad enough that the tuner can't lock it well enough to decode, or...
by jasonl
Sat Dec 05, 2020 1:00 pm
Forum: HDHomeRun Hardware Setup & Troubleshooting
Topic: Roku TV issues
Replies: 1
Views: 248

Re: Roku TV issues

Roku's video player sucks and can't play most cable channels.
by jasonl
Fri Dec 04, 2020 6:55 pm
Forum: ATSC 3.0 Forum
Topic: ATSC 3 PQ improvement ?
Replies: 11
Views: 780

Re: ATSC 3 PQ improvement ?

It would seem that sending progressive would be the safe thing to do for now, anyway. Obviously though, from the discussions in other threads here, not all broadcasters are taking the safe (smart?) route. On the other hand, it's probably better that some are going with 1080i during this experimenta...
by jasonl
Fri Dec 04, 2020 6:45 pm
Forum: ATSC 3.0 Forum
Topic: ATSC 3.0: Dallas - 2020
Replies: 130
Views: 14567

Re: ATSC 3.0: Dallas

Still 30fps.
by jasonl
Thu Dec 03, 2020 5:58 pm
Forum: ATSC 3.0 Forum
Topic: ATSC 3 PQ improvement ?
Replies: 11
Views: 780

Re: ATSC 3 PQ improvement ?

In the Portland market, all 1080i stations are upconverting to 1080p for ATSC 3.0 (HEVC doesn't support interlaced encoding). There is an option in the standard to provide metadata to indicate the content is interlaced, but as far as I know the encoders we're using here aren't sending that info. HE...
by jasonl
Tue Dec 01, 2020 8:14 pm
Forum: Development Support
Topic: Channel Detection Scan (channels 2-6)
Replies: 64
Views: 7899

Re: Channel Detection Scan (channels 2-6)

The problem is that since wavelength is calculated by dividing by the frequency, the lower the frequency goes (especially below 300MHz), the more the wavelength changes from one channel to the next. Bowties are effective for UHF because the wavelength doesn't change very much across the band. The wa...
by jasonl
Tue Dec 01, 2020 7:28 pm
Forum: ATSC 3.0 Forum
Topic: ATSC 3.0: Tampa
Replies: 14
Views: 2030

Re: ATSC 3.0: Tampa

The whole point of the original digital transition was to sell 52-69 to the cell phone companies and give the government more money to spend. The ATSC tuner requirement happened as a way to facilitate that. The funding for the coupon program came out of the revenues from the selloff, and it was stru...
by jasonl
Tue Dec 01, 2020 7:08 pm
Forum: ATSC 3.0 Forum
Topic: ATSC 3 PQ improvement ?
Replies: 11
Views: 780

Re: ATSC 3 PQ improvement ?

The ATSC 3 channels in Dallas, when they're up (which is less often than when they aren't), are running at reduced framerate and even without the full complement of frames to encode they still look worse than the legacy ATSC broadcasts.
by jasonl
Mon Nov 30, 2020 5:58 pm
Forum: Development Support
Topic: Channel Detection Scan (channels 2-6)
Replies: 64
Views: 7899

Re: Channel Detection Scan (channels 2-6)

A bowtie style design would still need to be huge to pick up low VHF. https://www.changpuak.ch/electronics/Butterfly-Antenna-Designer.php will calculate the numbers, and at 79MHz for channel 5 it wants 1.5m long legs, and the antenna overall ends up about 3m*1m. Better off with a (folded) dipole. A ...
by jasonl
Tue Nov 24, 2020 8:50 pm
Forum: HDHomeRun Hardware Setup & Troubleshooting
Topic: HDHR3 Prime. How do I troubleshoot pixelation on DRM channel with dark background?
Replies: 8
Views: 481

Re: HDHR3 Prime. How do I troubleshoot pixelation on DRM channel with dark background?

The OOB signal strength doesn't really matter for several reasons: The data it carries is background information like authorizations for the CableCARD and the channel lineup, not anything that would directly impact live viewing except when you're on the phone with the cable provider and they're maki...