On Mon, May 11, 2009 at 7:03 PM, Roger D. Parish
rogerd.par...@gmail.com wrote:
Another data point: I was watching WETA this afternoon on DirecTV, and the
video lagged the audio by nearly a second. They are obviously feeding
DirecTV with their digital signal.
Now, WETA says that there is
That's exactly the point. They deny in public what they know is
possible behind the scene. A broadcast quality converter would cost
less than $8,000 and they probably already have several on site. They
just have chosen to not deal with the issue on a full time basis,
while telling the public that
Who makes them? If only a few models out there, we could google the
instructions and send to WETA?
Thank you,
Mark Snyder
-Original Message-
That's exactly the point. They deny in public what they know is possible
behind the scene. A broadcast quality converter would cost less than
On Wed, May 13, 2009 at 9:03 AM, Snyder, Mark - IdM (IS)
mark.sny...@ngc.com wrote:
Who makes them? If only a few models out there, we could google the
instructions and send to WETA?
I firmly believe that the issue is that unless there is some FCC
requirement, or stations begin to lose
Here is the X75HD manual so they can learn to operate it:
http://tinyurl.com/o83pd7
Now if only there were a instruction manual to get them to actually use it...
Richard P.
Leitch: http://tinyurl.com/pkyk86
From a 2005 Broadcast Engineering Review:
Leitch Technology has introduced the X75
Leitch: http://tinyurl.com/pkyk86
From a 2005 Broadcast Engineering Review:
Leitch Technology has introduced the X75 HD, a versatile up-, down-
and cross converter and HD frame synchronizer.
The X75 HD features extensive video and audio processing capabilities
in a 1RU package.
Video
What you guys are forgetting (or just conveniently ignoring) is that the
sync *is just fine* back at their location. If they throw it off enough so
that yours looks good, that's going to throw it off for everyone else. And
then it will change again for the next program.
It's absurd to think the
What you guys are forgetting (or just conveniently ignoring) is that the
sync *is just fine* back at their location. If they throw it off enough so
that yours looks good, that's going to throw it off for everyone else. And
then it will change again for the next program.
It's absurd to think the
All I'm suggesting is that they send out a signal that is synched.
What happens after that is obviously out of their control (at this
point). By them saying that they have no control over a PBS feed is
just their way of passing the buck. Hey, it was bad when we got it so
here it is. The
For myself, I receive my HD broadcasts via antenna right into the HDTV
without any outside conversion boxes or home theater to delay the
audio. For the most part, the broadcasts overall are pretty good, but
there are times when the lipsynch is atrocious.
No one ever said that the engineer would
All I'm suggesting is that they send out a signal that is synched.
What happens after that is obviously out of their control (at this
point). By them saying that they have no control over a PBS feed is
just their way of passing the buck.
It is starting to look like DTV is more in the style of M$
Yes, because they did not do their jobs. They laid back, waiting for
Bush's sacred captains of industry to do their magic free-enterprise
innovation. Drink enough of their coolaid and it must not be noticeable
at all.
Thank you,
Mark Snyder
-Original Message-
Did Bush's FCC commissars
So you're saying outright that the station engineer sees this bad sync, but
does nothing about it. And won't, unless forced by the FCC?
I don't know; I can't really debate that I guess. But I do know that signal
still has a lot to go through between the time it leaves that control room
and before
There already is a synch pulse available which can be put into the
digital analog/video stream to lock the audio/video signals together.
This works quite well as long as the signal doesn't pass through an
analog device, which will strip the lock. If PBS locked their
in-synch feed and WETA didn't
So you're saying outright that the station engineer sees this bad sync, but
does nothing about it. And won't, unless forced by the FCC?
I don't know if a solution can be readily retrofitted so that future DTV
equipment can lock the two data streams together.
The current poor engineering is
I really don't know what the station engineer or the station's
policy's are at WETA. As mentioned before, there would have to be
someone assigned to monitor and correct for errors which means paying
for another technician. The master control operator is the last human
link before the signal hits
I just cannot stand out-of-sync audio and video. It drives me nuts.
I have written, yet again, to the leader of the pack of out-of-sync
broadcasters in the Washington DC area, WETA television. I had asked
them about this problem nearly a year ago, and their answer to me was
basically a
On Mon, May 11, 2009 at 7:38 AM, phartz...@gmail.com phartz...@gmail.comwrote:
I just cannot stand out-of-sync audio and video. It drives me nuts.
I have written, yet again, to the leader of the pack of out-of-sync
broadcasters in the Washington DC area, WETA television. I had asked
them
When I started with my first LCD TV a receiver, I read of complaints about
audio/video being out of sync. One solution that seems to work is to ensure
that both the audio and video signals go through the AV receiver that then
feeds the TV rather than having the video directly connected to the TV
On Mon, May 11, 2009 at 9:16 AM, John Duncan Yoyo
johnduncany...@gmail.com wrote:
The failure of audio sync is due to the separate processing of audio and
video. Apparently there is nothing to tie the two streams together.
Come now. Surely there must be something to tie them together.
On Mon, May 11, 2009 at 9:36 AM, MrMike6by9 mrmike6...@gmail.com wrote:
When I started with my first LCD TV a receiver, I read of complaints about
audio/video being out of sync. One solution that seems to work is to ensure
that both the audio and video signals go through the AV receiver that
I just cannot stand out-of-sync audio and video.
I have found that I can sometimes fix this by powering my digital
converter box off and on.
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There is equipment that they can use to manually synch up the signals.
It requires the signals to be monitored by a person and adjusted as
needed. Because of the human cost, they will probably never do this.
Richard P.
When I started with my first LCD TV a receiver, I read of complaints about
On Mon, May 11, 2009 at 12:20 PM, Richard P. richs...@gmail.com wrote:
There is equipment that they can use to manually synch up the signals.
It requires the signals to be monitored by a person and adjusted as
needed. Because of the human cost, they will probably never do this.
I understand
On Mon, May 11, 2009 at 11:14 AM, Tom Piwowar t...@tjpa.com wrote:
I have found that I can sometimes fix this by powering my digital
converter box off and on.
I have never found that to be the case. I have three different
converter brands, a Zenith, an Apex and for my computer, EyeTV, which
There is a standardized approach but they have chosen not to implement
it throughout the production line due to costs. In an all Digital
production world which doesn't yet exist, the video and audio can be
locked together so it will always be in synch. In the real world, they
have chosen not to
On Mon, May 11, 2009 at 4:12 PM, Richard P. richs...@gmail.com wrote:
There is a standardized approach but they have chosen not to implement
it throughout the production line due to costs.
In their reply to me onthis issue, WETA says that there is no
standardized approach to the problem of
Believe me, this is far from the truth. I just finished reading yet
another article in TV Technology (a trade mag) about lip sync problems
and what can (and can't) be done to fix them. Some fascinating new
software that can actually read faces/lips to try to determine if sync
is bad. However, the
What might change the situation will be people rejecting the poor lip
synch programming and stations. Until then, it will continue as usual.
Without sufficient $ or legal motivation, the problem will continue. I
do know that our neighbors to the north have much higher standards
than us. Last I
At 3:11 PM -0400 5/11/09, phartz...@gmail.com wrote:
On Mon, May 11, 2009 at 12:20 PM, Richard P. richs...@gmail.com wrote:
There is equipment that they can use to manually synch up the signals.
It requires the signals to be monitored by a person and adjusted as
needed. Because of the
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