StreamLive Pro

Viewers cannot hear me: no sound in the live stream

No audio on your live stream? Usually the studio uses a different microphone than you think, or it is muted. The checks in order, for the browser studio and OBS.

Updated November 5, 2026 · 3 min read

When the picture goes out but viewers hear nothing, the most likely cause is the microphone the studio is using: it is not the one you are speaking into (for example the webcam's built-in mic instead of your headset), or it is muted. The browser picks a default microphone, and that default is often not the one you expect. The 10-second camera check listens to your microphone before you go live and warns you when it hears nothing, but it does not stop the broadcast for sound, only for a missing picture.

Symptom, cause, fix

Steps

1. Run the camera check. Press Go live in the browser studio and say something during the check. If it says it cannot hear you, stop and fix the microphone first. What the check does: The 10-second camera check before you go live.
2. Choose the microphone you speak into. On Live stream open the Settings tab: under Default Devices choose the camera and microphone, and press Refresh devices if you just plugged one in. In the studio itself, check which microphone the input uses.
3. Check mutes. Look for a muted microphone in the studio, a mute switch on the headset or the sound card cable, and the system's input volume.
4. Speak and watch the level. A meter that moves when you talk means the studio hears you. If it stays flat, the studio is listening to a different device.
5. Share sound with the screen. When you share a screen, a window or a tab that plays video, its sound is mixed into the broadcast only if the browser captured it. In the browser's share picker, turn on the audio option before you press Share. If you shared without it, stop sharing and share again.
6. Test with a private broadcast. Before an important live, go live to one destination with limited visibility, for example an unlisted YouTube broadcast, and listen on a phone with the sound on.
7. From an encoder, check the encoder. In OBS or vMix, the microphone must be a source in the scene that goes live, unmuted, with its meter moving. YouTube lists the audio it expects, AAC or MP3, in YouTube Help: Choose live encoder settings. Setup: Streaming from OBS or vMix with RTMP.

Sound cards with several inputs

If your microphone is on a sound card with several inputs, StreamLive Pro opens the device with all its channels and without the browser's voice processing, so each input can be routed. If only one microphone is heard, check the microphone routing for that device in the studio. A device with one channel cannot be routed.

When to contact support

If the level meter moves in the studio, nothing is muted, and a test broadcast is still silent, write to [email protected]. Send the broadcast title and time, the microphone model, your browser and computer, and whether the sound was missing on every network or only on one. A short phone video of the studio with the meter moving helps.

Frequently asked questions

The check said it cannot hear me, but I went live anyway. Is that a problem?

The check stops a broadcast only when there is no picture. For sound it warns. If it warned you, viewers may hear nothing, so fix the microphone before your next live.

Why does the studio use the webcam microphone and not my headset?

The browser picks a default microphone. Choose your headset under Default Devices in the Settings tab of the Live stream page, or in the browser's own microphone setting.

I share a YouTube video on screen. Why can viewers not hear it?

The sound goes into the broadcast only if the browser captured it with the share. Share again and turn on the audio option in the share picker.

Sound is missing on one network only. What does that mean?

Your computer sends one stream, with one sound track, to every network. If one network is silent and the others are not, write to support with the network name and time.

Does OBS sound work the same way?

No. With OBS or vMix the sound comes from your encoder. Check its audio mixer and that the microphone is in the scene that goes live.

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