Guides
How to follow co-streams and reaction videos without losing the main audio
Watching someone react to the original event is great for context, but both audio tracks together just become noise. Here’s how to fix that.
"Co-stream" is when two or more people broadcast live while watching the same thing — a game, an esports match, an event, someone else's live stream — each commenting in their own way. Reaction is similar, but usually asynchronous: someone records their own reaction while watching a video or a recorded live stream. In both cases, the practical challenge is the same: how do you watch the original content and the reaction at the same time without the two audio tracks fighting each other.
Why simply opening two tabs doesn't work well
If you open the original stream in one tab and the reaction in another, by default both audio tracks play together as soon as both tabs load — the result is noise, not conversation. The most common fix is to manually mute one of the tabs, but that removes the part you probably wanted most: hearing the reaction's commentary while still following what's happening in the original video.
What actually works
- Choose which audio is the main one. In most reaction cases, the person reacting's audio is what matters — the original stream becomes essentially reference video. In esports co-streams it's more common to alternate: listening to the official commentary during decisive moments and the streamers' commentary the rest of the time.
- Keep the secondary video muted, not closed. Closing the tab/stream that doesn't have audio active removes the visual context, which is half the reason for watching both together. It's better to keep it visible and just silent.
- If the format allows, switch the main audio throughout the broadcast. During high-tension moments (a goal, a decisive play), a lot of people prefer to hear the original source for a moment and go back to the reaction afterward. Having independent volume control per stream makes that kind of quick switch much easier.
When co-stream/reaction is worth it vs. when it isn't
- Worth it when the commentary adds something — technical analysis of a match, a genuine reaction to a release, or coverage of an event with multiple commentary angles.
- Not as worth it when the original content already has full commentary (a well-narrated official esports broadcast, for example) — in that case, a second audio source might just compete with the first instead of complementing it.
Setting this up in practice
The manual way — two tabs, muting one by hand whenever you want to switch focus — works, but demands constant attention. A multistream tool with independent volume control per stream solves this more directly: both videos stay visible side by side the whole time, and switching which one has audio active is one click, with no need to navigate between browser tabs.
For the more general problem of several stream tabs slowing down your browser, see why that happens and how to fix it. And if the scenario is an event with several matches — not just two sources — the guide how to watch esports with multiple cameras at once gets straight to the point.