AVS Special Member
Join Date: Dec 2001
Location: Middletown, Ohio
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I've been saying, "Goodbye to the future of Rock and Roll", and I haven't paid much attention to TV/HD the last few days. I've been listening to 97x off air for over 20 years, therefore last night just after 12am hearing the above quoted words as the last sounds emanating from 97x before 40+ minutes of silence(the carrier was still up until programming under new ownership began around 12:45am) made for a sad time here ... It was a very classy way to sign off, as well as a bit of broadcasting history which I doubt I'll forget. I, and I know many others will miss them.
A bit OT, let's hope we never see any of our local DTV/HD broadcasters "signing off" the airwaves in any sort of permanant fashion.
Anyhow, back on topic --- from the limited DTV/HD monitoring I've done the past few days, follows are the issues I've noticed :
Frequent Video "freezes" on 30-1 during ST:Voyager ONLY with my Zenith HDV420+display(s) I'm using with it - The other display/receiver here is fine. I haven't noticed it with any other programming from WRGT-DT besides ST:Voyager, but then again, I haven't checked much other programming. The local ad inserts/station promos/etc during ST:Voyager last couple of nights were fine as well, but the freezes were occuring with the other commercials.
Best way I could explain it would be, it's like what you get if you're watching streaming Video over a dialup connection and the video freezes occasionally. Pretty much the same thing I described seeing from 30-1 in a preceding post on last page during "seinfeld" one day last week, and also similar to what I've seen from WSYX-DT when I've seen them over the past year or so during ABC HD, except instead of dropping frames, it looks more just like short freezes.
Not seeing the problem at all from 30-2, and again, it isn't occuring at all on 30-1 (as is the case with this similiar problem with WSYX-DT) on my other setup here (RCA F38310 w/internal DTC-100). It happens with the Zenith box no matter how I output video, Via component, RGB(VGA), Svideo/Composite, 1080i/720p/480p/480i/etc -- to Samsung TXN2668WHF HD display, or to a PC monitor via RGB/VGA out, or a POTV(plain old TV) via composite out. Besides the decoder/receiver being different on the two setups, only other thing I can think of that is different is the F38310 does 3:2 pulldown, the displays I'm using with the Zenith Box do not. I've never seen this, or anything similar happen anywhere else (besides WSYX-DT).
WRGT-DT 30-1 Compression artifacts(what you guys are calling "macroblocking") :
I did do a quick check Wed of 30-1 just after 9pm after I had seen 1450khz's post, and I didn't see any difference in compression artifacts at the time between 30-1, and WXIX-DT 19.1 -- I was seeing some compression artifacts from both stations however -- Which seemed odd to see from WXIX, as they run a single program service, upconverted to 1080i. I just looked at it for a few seconds though, and not really under the best circumstances to do a good comparision.
I didn't check the analog stations or 30-2 at the time, but I do recall there have been occasions over the past couple of years, such as during a couple of NFL games and NASCAR races when compression artifacts(what you guys are calling "macroblocking") were an issue concerning the nat'l Fox feed which affected both analog and digital stations, on a national level.
Again, however I haven't had the chance to look at it closely enough yet to comment much where compression artifacts are concerned on 30-1.
WHIO-DT 41-2 Audio - Still broke - I sent a note to the 7online email BTW, for all the good it would do. I started off by asking them to forward the note to enginnering, and also asked if they could tell me what the best way is to contact their engineering staff. I also sent the link to this thread+invited them to join us or monitor us. I haven't heard anything back yet, not that I was expecting to.
WPTD-DT - PBS HD from 16.6 was fine last night when I checked. I wasn't seeing the video "glitches" I mentioned earlier which I've seen occasiionally over the past week or two.
However -- the past couple of nights(and presently even though they are in 4 channel SD mode) I noticed audio was missing from 16.4 when they were in HD mode. OF course, I first noticed the missing audio from 16.4 just after I'd sent their CE a note concerning the video glitches I was seeing on 16-6 occasionally, as I'd also said in the note that A/V from 16.2~16.5 were fine ... I suppose I'll have to send them a follow up "updated" note concerning the 16.4 audio.
I also asked for an update on when they currently expect WPTO-DT 28 (ThinkTV14 analog, Oxford) On air. WPTO-DT will be broadcasting from WXIX tower in Cincy. Last we had heard from them in Cincy thread, they were planning on a mid-may on air date, if Weather/etc. cooperated for the necessary tower work. I'll post if/when I hear anything back - They are probably busy with WPTO buildout/etc.
IMO ... These sorts of issues I think are to be expected at this stage of the game ... I think if we were to draw an analogy between DTV/HD broadcasting and NTSC TV broadcasting, It would probably be about 1953 right now. I expect it will get "smoother" as time goes on .... especially when the DTV station becomes as important(or more important) than the analog .....