• Get involved.
    We want your input!
    Apply for Membership and join the conversations about everything related to broadcasting.

    After we receive your registration, a moderator will review it. After your registration is approved, you will be permitted to post.
    If you use a disposable or false email address, your registration will be rejected.

    After your membership is approved, please take a minute to tell us a little bit about yourself.
    https://www.radiodiscussions.com/forums/introduce-yourself.1088/

    Thanks in advance and have fun!
    RadioDiscussions Administrators

Haven't Heard This Before (KNXV)

landtuna

landtuna

Wednesday evening while watching the ABC Evening News the audio kept dropping out when Charlie Gibson's talking head was on. It didn't seem to happen when tape or commercials were on.

Then (cue the eerie music) while watching 'Wipeout' something else happened that I have never heard before.....the background music and sound effects could be heard but not the two hosts talking. This happened several times throughout the show. At times the whole sound track disappeared and at other times just the hosts voices.

There were no video issues that I am aware of and my signal strength was a solid 100%.

Is this yet another 'feature' of DTV or does it have another cause?
 
landtuna said:
Then (cue the eerie music) while watching 'Wipeout' something else happened that I have never heard before.....the background music and sound effects could be heard but not the two hosts talking. This happened several times throughout the show. At times the whole sound track disappeared and at other times just the hosts voices.
Click to expand...

I also noticed this on KNXV during a Coors Light commercial a few weeks back.

And a few YEARS back, I remember something very similar occurring during an episode of LOST (which makes it even more freaky).
 
landtuna said:
Wednesday evening while watching the ABC Evening News the audio kept dropping out when Charlie Gibson's talking head was on. It didn't seem to happen when tape or commercials were on.

Then (cue the eerie music) while watching 'Wipeout' something else happened that I have never heard before.....the background music and sound effects could be heard but not the two hosts talking. This happened several times throughout the show. At times the whole sound track disappeared and at other times just the hosts voices.

There were no video issues that I am aware of and my signal strength was a solid 100%.

Is this yet another 'feature' of DTV or does it have another cause?
Click to expand...
In February, during an episode of Criminal Minds on CBS5, the same happened.
From the get go, I could hear the nat sounds and bg music but no dialog. Just moving mouths.
This went on for about 20+ minutes.
I checked my Dish Net set-up, all was good.
I went to the internal tuner and all was good.

It was obvious that Master on BC Hwy was aware of the problem for the signal would go from HD to SD and back to HD.
My guess it was a network problem and not local.

TRIVIA MOMENT:
The Criminal Minds episode involved the Team flying To Phoenix to investigate someone shooting and killing Phoenix police officers.
 
That strange i have cox digital cable and it would stall (picture freeze) out every so often with audio still running.I saw that episode of criminal mind and i did not have any problems.
 
landtuna said:
Wednesday evening while watching the ABC Evening News the audio kept dropping out when Charlie Gibson's talking head was on. It didn't seem to happen when tape or commercials were on.

Then (cue the eerie music) while watching 'Wipeout' something else happened that I have never heard before.....the background music and sound effects could be heard but not the two hosts talking. This happened several times throughout the show. At times the whole sound track disappeared and at other times just the hosts voices.

There were no video issues that I am aware of and my signal strength was a solid 100%.

Is this yet another 'feature' of DTV or does it have another cause?
Click to expand...

Missing surround sound channels.

Surround sound (as generally implemented on TV) involves three channel pairs: L/R front, L/R rear, center channel/subwoofer. Hosts' audio is generally carried in the center channel during surround programs. If this channel pair is lost, you'll get the symptoms you observed.

How specifically it was lost in your case is a good question. I might guess the "metadata" -- a datastream telling the surround encoder whether this program is 5.1 surround or 2.0 stereo -- got messed up or lost completely.
 
w9wi said:
Surround sound (as generally implemented on TV) involves three channel pairs: L/R front, L/R rear, center channel/subwoofer. Hosts' audio is generally carried in the center channel during surround programs. If this channel pair is lost, you'll get the symptoms you observed.
Click to expand...

That's what I suspected. I've recreated that condition on my A/V setup but I'd never experienced it on broadcast TV before. Wasn't aware they were using surround sound (as I was watching on a stereo-only TV).
 
landtuna said:
w9wi said:
Surround sound (as generally implemented on TV) involves three channel pairs: L/R front, L/R rear, center channel/subwoofer. Hosts' audio is generally carried in the center channel during surround programs. If this channel pair is lost, you'll get the symptoms you observed.
Click to expand...

That's what I suspected. I've recreated that condition on my A/V setup but I'd never experienced it on broadcast TV before. Wasn't aware they were using surround sound (as I was watching on a stereo-only TV).
Click to expand...

And actually, a more likely possibility is that the Dolby encoder got switched to surround mode when the incoming audio was actually plain stereo... though the NBC Evening News *is* 5.1 surround so I suppose it's quite possible ABC is as well.
 
Status
This thread has been closed due to inactivity. You can create a new thread to discuss this topic.


Back
Top Bottom