crosstalk

noun

phenomenon by which a signal on one channel of a transmission system creates an undesired effect in another channel

Etymology: From cross- + talk. Usage in reference to the Chinese comedic performance is probably a loose calque from Chinese 相聲／相声 (xiàngsheng).

Undesirable signals from a neighbouring transmission circuit; undesired coupling between circuits.
The situation where one or more components of a signal transduction pathway affect another pathway.
Conversation that is incidental to the topic under discussion.
“I couldn't hear the opening address because of all the crosstalk around me.”
A traditional Chinese comedic performance in the form of a dialogue.
Communication between parties who have extremely different perspectives.
“Sharing resources for mutual benefit: crosstalk between disciplines deepns the understanding of mycorrhizal symbioses.”

Etymology: From cross- + talk. Usage in reference to the Chinese comedic performance is probably a loose calque from Chinese 相聲／相声 (xiàngsheng).