Adjustable metronome with BPM control, time signature, and accent patterns.
Set a tempo in beats per minute, choose a time signature, and select an accent pattern to hear a repeating rhythmic reference. The metronome spaces beat clicks according to the BPM setting and uses the selected pattern to distinguish positions within each bar. It is useful for maintaining tempo, practicing meter, and isolating difficult passages. A common misreading is that the time signature changes the speed: BPM controls beat spacing, while the signature and accents organize those beats into a repeating pattern.
A concrete input and expected output from the current implementation.
Input
Tempo: 120 BPM Time signature: 4/4 Accent pattern: accent, normal, normal, normal
Expected output
A repeating four-click bar with a nominal duration of 2 seconds. The clicks occur 0.5 seconds apart, and the first click of each four-click group is accented.
At 120 beats per minute, each beat lasts 60 / 120 = 0.5 seconds. Four beats therefore occupy 4 x 0.5 = 2 seconds before the selected accent pattern repeats.
The BPM control sets the target number of beat pulses per minute. The nominal interval between consecutive beats is 60 divided by the selected BPM, measured in seconds. Starting playback produces that recurring pulse; changing the tempo changes the spacing. BPM describes the reference pulse, not whether a musician, recording, or physical movement is actually following it.
The time-signature setting groups beat positions into recurring bars. The accent pattern determines which positions receive emphasis, letting the start of a bar or another chosen beat stand out from ordinary clicks. After the final position, the pattern begins again. These controls describe the metronome's pulse grouping rather than a complete written rhythm with note durations, rests, or phrasing.
It requests 120 beat pulses per minute, equivalent to two beats per second and a nominal 0.5-second interval between beats. It does not mean 120 bars per minute. The number of beats in each bar comes from the chosen time signature, while the selected accent pattern identifies emphasized beat positions.
No. It supplies an audible reference pulse but does not evaluate your notes, detect early or late attacks, or calculate the tempo of recorded music. Compare your playing with the clicks by ear, record the result for review, or use a separate tempo-detection or performance-analysis tool when measured feedback is required.
The example and behavioral notes were checked against the browser implementation. Standards and primary references below define the relevant format, formula, or platform behavior.
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