ITV viewers left fuming after FA Cup semi-final coverage of Chelsea against Crystal Palace interrupted by ‘hissing’

ITV viewers were left fuming as the build-up to the FA Cup semi-final between Chelsea and Crystal Palace was ruined by a loud "hissing".

Fans tuned in to watch the second FA Cup semi-final following Liverpool's thrilling win over Manchester City on Saturday on the BBC.

But they were left covering their ears as a distracting hissing sound could be heard above the ITV studio pundits.

Roy Keane, Ian Wright and Joe Cole were sharing their pre-match thoughts ahead of the big game between the Blues and the Eagles at Wembley.

However, supporters muted their TVs and took to Twitter to moan about the sound quality.

The sound issue was eventually fixed, but not after hoards of viewers complained.

One tweeted: "Have ITV got the worst sound set up in the world?

"Thought it might be the TV but no, general dreadful hiss, but only on this channel."

Another fumed: "Any chance you can sort out that constant background hiss on the audio of ITV Hub before the match starts???

"Doesn’t happen with the ads, just the studio and pre-recorded stuff."

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A third added: "Shame it’s unwatchable due to the static hiss."

One demanded: "Fix the hissing sound on ITV1 it sounds terrible!"

And another moaned: "Need to sort the sound out guys, terrible hissing noise in the background."