The fourth episode of Series 10, Knock Knock, will be the first episode to be produced with binaural audio. When listening with headphones, this new technique creates a soundscape that makes it feel like the sounds are coming from all around you, immersing you in the story.
The BBC have released a special binaural preview clip from the episode for you to listen to ahead of the episode. So, grab your headphones and watch this clip:
If you want to know what it sounded like with normal audio, listen to the standard version here.
The binaural version of Knock Knock will be available on iPlayer from 8:10pm on Saturday 6th May, straight after the episode is broadcast on BBC1.
Finally, here’s another video showing how the effect was created: