pulsechoir How it works Connect Twitch

A shared instrument for live chat

One chat.
One pulse.

Your viewers send a note. Together, they make the music. Pulse Choir turns Twitch chat into a little instrument everyone can play.

Connect your channel See how it works

No viewer sign-up. No extension. Just chat.

♪♩♫♬ PLAY TOGETHER  ·  STAY IN KEY
MADE FOR THE MOMENTS BETWEEN MATCHES01 / CHAT → BEAT → CHOIR

A tiny command. A shared sound.

Music made in the moment.

Every note lands on the same beat and in the same scale. The chat makes a composition, not a playlist.

01

Set the room

Connect Twitch, choose a tempo and key, then add the private visualizer to OBS.

02

Let chat play

Viewers send !pulse 1 through !pulse 7. Each degree becomes a note in your scale.

03

Hear it together

The notes line up on a shared beat. Original tones are synthesized in the browser source.

The whole command sheet

Easy to join.
Hard to get wrong.

!pulse 1Do · your first note
!pulse 2–7Re through Ti · more notes
!pulse clapA little rhythmic tap

One contribution every 1.8 seconds per viewer. The streamer can limit play to subscribers or moderators.

THE PULSE CHOIR DIFFERENCE

Not a song request.
A song made by chat.

No imported tracks, clips or samples. Each contribution is a short, original tone, mapped by a deterministic rule and played on the shared beat.

ACCESS IN TWO WAYS

See the rhythm.
Read the music.

For Deaf and hard-of-hearing viewers: the broadcast visualizer shows a four-beat position, accepted note names, tempo, key and scale as text. Sound is never the only signal.

For blind and low-vision viewers: share the separate companion page for labeled musical state, a readable note list, keyboard controls and paced screen-reader announcements. The OBS graphic in the Twitch video is not screen-reader accessible to viewers.

For nonspeaking viewers: participation uses ordinary text chat commands; voice input is not required. Pulse Choir supports these parts of the experience and does not claim to make a stream generally accessible.

Open the accessible companion

Your chat already has a rhythm.

Give it a key.

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