Metronome
A metronome for OVOS - set a tempo in beats per minute, get an
audible click track with an accented downbeat. Fully deterministic,
fully offline: the two click sounds are generated sine-wave bursts
(see scripts/generate_clicks.py), not recordings, so there's
nothing to source, license, or credit.
Early 0.0.x release. Fixed 4/4 time signature only - see "Not yet implemented" below.
Usage
"set a metronome to 120 bpm"
"start a metronome"
"stop the metronome"
"sæt en metronom til 120 bpm" (Danish)
"stop metronomen" (Danish)
Saying "start a metronome" with no tempo resumes the last one used this session, or 120 bpm if none has been set yet. Valid range is 20-300 bpm.
Timing accuracy
Runs a background thread that computes each beat's scheduled time
from a fixed accumulator, rather than repeatedly sleeping
60/bpm seconds - this avoids the small overhead of each click
(play_audio() call, thread wake-up, etc) accumulating into
noticeable drift over a long session. If a beat ever comes in late,
the loop resyncs to wall-clock time rather than firing a burst of
back-to-back catch-up clicks.
Not yet implemented
- Time signature is fixed at 4/4 (accent every 4th beat). A "set the metronome to 3/4 time" waltz mode is a natural next addition - flagged here rather than built speculatively.
- No visual/GUI beat indicator, audio only.
Install
pip install ovos-skill-metronome
Development
See DEVELOPMENT.md.
Category
Utility
Tags
#music #metronome #tempo #practice
1 maintainer
Metadata
1 maintainer
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