Open experiment
Live signal waveform
A CSS-only live signal card whose staggered bars create a responsive audio rhythm. The visual waveform is decorative; durable text communicates the actual live state and source.
Lab tested Responsive Dark mode
- Version
- 1.0.0
- Updated
- 2026-08-02
- Dependencies
- Zero
<article class="cmp-live-wave">
<header>
<span><i aria-hidden="true"></i>Live signal</span><time datetime="PT4M18S">04:18</time>
</header>
<div class="cmp-live-wave__bars" aria-hidden="true">
<i></i><i></i><i></i><i></i><i></i><i></i><i></i><i></i><i></i><i></i><i></i><i></i><i></i
><i></i><i></i><i></i><i></i>
</div>
<footer><span>Studio microphone</span><strong>48 kHz · connected</strong></footer>
</article>
No runtime reactions detected Open in Editor
Validated in the lab
Experiment report
- Schema and source files passed
- Responsive test passed
- Keyboard test passed
- No console errors
Component ingredients
- Dependencies
- None
- Browser support
- Current Chrome, Current Edge, Current Firefox, Current Safari
- Version
- 1.0.0
- Last tested
- 2026-08-02
Accessibility notes
- Connection and source state are visible text.
- Amplitude bars are decorative and hidden from assistive technology.
- Reduced-motion mode freezes the waveform at representative amplitudes.
License: MIT License for open-source use, modification, and distribution.