Mix-Minus

What is it?

Mix-minus is the rule that each remote participant must hear the full show minus their own voice. The "mix" is everything — host, other guests, clips, music; the "minus" is themselves. Send a guest the complete mix including their own audio, and their words return to their ears delayed — an effect so disorienting it makes fluent speakers stammer — or worse, loop back through their mic as echo and feedback.

Practical example

Broadcast radio learned this decades ago with phone-in callers: the caller hears the program feed minus their own line — otherwise their voice would boomerang back through the phone delay and the call would collapse. The modern version runs invisibly inside every conferencing and live-studio product: in a four-person show, the system is actually producing four different return feeds — each participant receiving everyone but themselves — plus a fifth feed (everyone, complete) for the audience. When this plumbing breaks or is misconfigured (classically: someone routing a "what the stream hears" loop back to a guest), the guest hears themselves a second late, and coherent speech becomes physically difficult.

Key things to know (non-technical)

• The underlying human fact: delayed self-hearing breaks speech — it's a known psychological effect (delayed auditory feedback), not a preference.
• One mix-minus per participant is the rule — N guests means N distinct return feeds, which is precisely the bookkeeping good software automates.
• It's a sibling of echo cancellation but a different layer: cancellation cleans accidental acoustic loops; mix-minus prevents the routed loop from being built at all.
• The term matters at the integration edges: connecting phone lines, external studios, or broadcast desks to a show is where someone will literally say "send me a mix-minus."

In Tupic Live

Mix-minus is silent table-stakes inside Tupic Live's guest engine — every participant automatically hears the show minus themselves — and becomes vocabulary the product team needs the moment Tupic Live connects to external worlds: call-in features, hybrid radio/TV partners, and venue sound systems all negotiate in this term.