Ever since I have had SKY+ I have noticed that whilst watching certain
> channels, there is a dip in sound of about 2 seconds.
>
> Is this a fault of the SKY+ box or is it SKY themselves introducing this
> problem to stop people enjoying the programmes.
I've noticed that modern digi-decoders have taken to muting the sound if there's data corruption of the audio comprared to the click/sqwark noises older boxes tend to make. Similarly the screen'll go blank instead of getting coloured blobs.
Slightly mis-aligned dish maybe?