I haven't had any issues with 6.1 with Sony, Philips and Sharp TVs, at all. No stuttering, no issues of any kind. Could this be local interference perhaps?
That's helpful information. I doubt it's local interference because all other channels are perfect. The acid test was last weekend when NBC and CBC both broadcast the Predators/Red Wings game. NBC was perfect and CBC had the jerky motion.

Only thing I can see comparing 2.1 and 6.1 is that 2.1 has full PSIP while 6.1 has nothing (on my TV anyway). Is this the case with you also? Thanks for your help

That is correct, 6.1, 10.1, 35.1 and 62.1 are the still without PSPID.

On the Sharp TV the closed captions appear garbled on 6.1 all the time, but otherwise the picture is perfect. I don't have caption issues on other TVs so far.

Yah....this makes OTA seem really flaky.....

for the last 2 weeks, every nght I stayed awake, I lost ALL montreal channels, around 12.00, kind of SUCKS when following a playoff gameon CBC, or Le Match on TVA....:mad:

whats going on....

@balm At least you can watch 6.1 , I can't watch hockey, the jerky motion of CBC Montreal over the air makes me vomit for hockey because I only get half the frames. I can't even watch the news on CBC 6-1 anymore over the air, the jerky motion of the video causes me to be ill after a while.

Also of note, did you notice it is missing a picture size when you try to change it from 16:9 and 4:3? On ALL other ota channels, I can choose between 16:9, 4:3, Zoom and Just Scan on remote. I tried it on a TV that doesn't have the 6-1 jerky problem, and Just Scan is also missing (brand new Samsung LED TV).

It's like Montreal CBC 6-1 is sending some "bad video data" over the air and some hdtv's can't decode it properly so it gets all jerky/stuttering.

"Just scan" will work only if the source and the TV both have matching resolution. So you probably bought a 1080p TV but the source in this case is broadcasting at 720p. It should be the same behaviour as on 44.1 (also 720p).

Ditto for the garbled CC's on 6.1, CC's are available for all other broadcasts
Just Scan is only available for 1080i broadcasts on my 1080p TV

I sent a complaint e-mail to CBC stating that several of us in this forum were experiencing difficulties with their OTA broadcast. Hopefully we'll get some action.

I've had no issues with 6.1 in Kirkland. I'm using and HD Homerun network tuner into my Toshiba and Sharp TV's.

@BaconBoy I e-mailed them a month ago, the "contact form" people e-mailed Engineering, nothing has been done in a month. Oh well, guess I'll watch hockey on NBC over the air instead. I couldn't find an e-mail address, just a "generic form".

@alien0 but CBC French 2.1 is 720p and it allows for "JUST SCAN" :) It's JUST CBC English 6-1 that doesn't allow "Just Scan". Must have to do with the "stuttering" problem 6-1 is having.

Yeah, I'm sure it's my built-in ATSC tuner that is outdated and can't decode the CBC signal properly. But it used to prior to March 2012 and it handles all the other stations.

Some of you who have been members here a long time know that we have CBC staffers as members here who actively participate in this site's CBC-related threads. You could try to PM them to ask if they could join in on this thread about possible technical issues on 6.1 that viewers are reporting. :)

@Yuprules : I noticed they have an e-mail for OTA reception difficulties with CBC Radio 1 and 2, but nothing for OTA TV

Sounds like stampeder's approach may draw some attention to the issue

@BaconBoy Yes this "stuttering issue" seems to happen more on older TV's, BUT it also seemed to happen on a converter box I bought last year. Newer TV's still have the "Just Scan" issue, but DON'T stutter. Something funny in the video signal that's for sure.

@stampeder
I've been here a while, not sure who you are referring to. Could you tell us who, or send them a message on our behalf about this thread on 6-1 "stuttering" issues?

Well, looks like CBC (6.1) and Global (15.1) dropped their signal strength, AGAIN. I no longer can pick them up, at least not without realigning my antenna, and even then, the signal is weak.

What are they doing exactly? Everything was finally perfect, and now we're going backwards. Plus every night for the past few weeks all the Montreal stations (from Mount Royal) go off the air from about midnight to 6am. This kind of long-term maintenance and experimenting should have been done last year, BEFORE the digital switch over. Sigh, only in Montreal...

In checking other forums, notably Ottawa, it seems not all stations are 100% perfect there either, and some lack PSIP data causing reception issues with cetain tuners, etc. It looks like PSIP data and so forth on CBC is also lacking in various cities across Canada, but is gradually being corrected.

I would imagine our troubles are comparable and will be resolved at some point. Unfortunate timing with the Cup playoffs. At least we're not missing any Habs games :)

@Yuprules : I scoured Samsung tech support and another forum. You can try shutting off Auto Motion Plus (AMP) and Digital Noise Reduction (DNR) which are 2 known issues with Samsungs causing stutter, depending on your firmware version.

I shut off DNR and it's a little better. I don't have AMP or it's not selectable with my firmware. Good luck.

Everything was finally perfect, and now we're going backwards. Plus every night for the past few weeks all the Montreal stations (from Mount Royal) go off the air from about midnight to 6am. This kind of long-term maintenance and experimenting should have been done last year, BEFORE the digital switch over. Sigh, only in Montreal...
Yup, I agree, Global (15.1) was actually worse yesterday. Today, it seems a bit better, at least where I am. How about you?

Yep, this flackiness is definitely annoying, really gives the impression that OTA is AMATURE....I guess this is the disadvantage having all transmitters on the same location, I assume for safety reasons, they need to shut ALL of them down, to work on one channel...

Incredible, that no one knows whats going on...& no PA ! Nice !

Its really annoying when you are in the middle of watching "Le MATCH" on TVA and then GONE !

I emailed them, no response so far...

It is quite deplorable and unprofessional they way they do things here in Montreal concerning OTA...I wonder how many more weeks these shutdowns will continue??? Every night they cut you right off in the middle of a broadcast with no warnings and as usual our complaints fall on deaf ears!

^^^
I'd say that's a harsh assessment.

The reality is that maintenance work is a necessary evil. And for the safety of workers, it's necessary to power down transmitters. Scheduling this work at midnight impacts the least amount of viewers.

Radio-Canada/CBC could potentially turn on the transmitters located on the roof of the Maison de Radio-Canada as soon as it's turned off on the Mont-Royal, especially when there's a late night hockey game.

But...
1) it's just a few hours so it's not worth it
2) It can confuse tower workers, is the antenna still up or down?
3) As per Radio-Canada, OTA viewers are a tiny minority (or unexisting, which is why they'll turn off all remaining analog transmitters by July 31, 2012), and cable subscribers are not experiencing any service outage.

Neither TVA or CTV have setup a backup site... Unless CTV kept the facilities they used for CFCF-DT in pre-transition on UHF 51 and updated it to VHF.