Sound fluttering

[Garry007dfd]

Whenever I watch terrestial TV channels and any Freeview channels the sound flutters or pops. I thought this was a poor internet connection for a while but now I suspect its the ariel on the roof. It never happens with Netflix or anything else that comes through the internet. Is my diagnosis correct?

[royabrown2]

@Garry007dfd 

It could be the aerial, or perhaps a distribution amplifier, or the aerial wiring leading to your TV.

Or it could be a fault with how your TV is handling broadcast signals.

You would need to call in a local aerial specialist to deal with the former, but you should try to eliminate the latter first. Tv signal problems, though, normally affect the picture quality, so having just the sound affected is unusual. Or have you perhaps got used to a poor broadcast picture, and now think this is the norm?

Somewhere on your TV settings though (as you don’t say which model it is, I can’t be more specific) there will be something that shows you signal strength, and perhaps quality too. Try to find this setting, though, and post results for some of the channels where you get this issue, plus 1 and 101, if those aren’t ones you usually watch.

These will help us to help you decide if this is a TV issue, or an aerial one.

[daveyh64]

If you are watching Live TV on Freeview then you are using your TV aerial to get these broadcasts,

nothing to do with internet.

Check your aerial, check the aerial connection to the TV, check the aerial cable has good solid connection to the aerial plug, all these loosen over time.

If you auto tuned the TV it may have tuned in to two different transmitters and you are watching channels. with a weaker signal.

Find your most likely transmitter here,

 https://www.freeview.co.uk/corporate/detailed-transmitter-information

Take note of the numbers under the black circle with a white N, these are your multiplex number.

You use those numbers to manually tune your TV to the transmitter you are most likely to get the

best signal strength and quality from. In some cases it might be a transmitter that may not be 'most likely' but in better line of sight. Before doing a manual tune, unplug the aerial, perform an auto tune, this will clear all stored channels.

If you find the signal strength is 100% this can cause interference and drop outs, in that case a

variable attenuator can be purchased, quite cheap from Amazon. Ideally signal strength should be between 70 -95%. Signal Quality should be 100%.