It's all odorophonics and sonics.
5 seconds sound clip from the X Minus 1 - The Veldt by Ray Bradbury classic radio drama series.
You can hear this line at 00:09:39 in the radio play.
Quote context
[...]
- I'm afraid. They're so real.
- They're only an illusion, that's all.
- Watch out! Out! Quick! Outside!
- Now, take it easy. Calm down.
- Get a hold of yourself, Lydia. They aren't real. Walls... that's all it is - crystalloid walls.
- It's all odorophonics and sonics.
- Now, here, take my handkerchief.
- I'm afraid. Did you see? Did you feel? It's too real!
- We've got to tell Wendy and Peter not to read any more on Africa.
- I want you to lock that place up!
[...]