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Ubify Core Engineering Team

SOFTWARE ENGINEERS & SYSTEMS ARCHITECTS

~2 min read
~345 words
VERIFIED NOVEMBER 2026
Verified for W3C & ECMA-404 Standard Compliance

About This Tool

Practice musical instruments, vocal exercises, and rhythmic timing directly in your web browser. Maintaining steady musical tempo is essential for instrumental rehearsals, recording sessions, and band practice across classical, jazz, and modern styles.

This digital metronome uses the browser's native Web Audio API to synthesize click pulses rather than triggering delayed audio clips. You can adjust the tempo from slow practice tempos up to allegro and presto speeds, configure time signatures (beats per bar from 2 up to 8), and listen to accented downbeats. The audio engine generates an accented 1200 Hz tone on beat one of each measure and an 800 Hz pulse on subsequent beats, shaping each click with an exponential gain decay to produce a clean acoustic pulse.

For example, setting the tempo to 120 BPM in 4/4 meter produces one beat every 500 milliseconds (0.50 seconds), sounding a high-pitch 1200 Hz click on beat 1 followed by three 800 Hz clicks on beats 2, 3, and 4.

All timing calculations and oscillator clicks synthesize client-side through the Web Audio API on your local device. No audio files or tracking scripts are loaded from external servers.

How to Use

  1. 1

    Set your desired tempo in beats per minute (BPM) using the slider or numeric input.

  2. 2

    Select your time signature by setting the Beats Per Bar count (e.g. 4 for 4/4 time).

  3. 3

    Press the Start / Play button to initiate the rhythmic click sequence.

  4. 4

    Listen for the accented higher-pitch tone marking the downbeat of each measure.

Frequently Asked Questions

How does this metronome generate click sounds?

It uses an AudioContext oscillator producing a 1200 Hz sine or square pulse for downbeats and an 800 Hz pulse for regular beats, shaped by an exponential volume decay envelope.

Does the metronome maintain steady timing if I switch browser tabs?

Yes. The Web Audio API oscillator scheduling operates independently on the hardware audio thread, maintaining rhythm even when navigating background tabs.

Is an internet connection required while practicing with this metronome?

No. Once the web application loads, all audio synthesis runs locally on your computer or mobile device without network access.

    Online Metronome — BPM Tempo & Beat Clicker | Ubify Tools