If a metronome clicks on every beat, you can correct yourself every beat. Remove the click and those corrections disappear. What happens next shows how accurately you are carrying the tempo on your own.
Why silent gaps reveal drift
Imagine the real beat continuing at a perfectly steady rate while your internal beat changes by a tiny amount. At first the difference is almost invisible. After sixteen beats, the small difference has accumulated. That is why a long silent gap can expose tempo drift that is hard to notice in ordinary playing.
Arriving early after the gap generally means your internal tempo ran faster than the reference. Arriving late generally means it ran slower. The final error does not tell you exactly when the drift happened, but it tells you the overall direction.
How the 16 Beat Challenge works
TempoLock gives a musician-style 1 2 3 4 count-in. After that, the timing cues disappear. You hold sixteen full beats internally and tap on the next beat. Because there is only one scored tap, the challenge is about maintaining the pulse rather than reacting repeatedly to visible targets.
Use the result as a measurement of the whole silent interval, not as proof that one particular imaginary beat was wrong.
What to think during the silence
There is no single correct strategy. Some players count every beat. Others feel groups of four bars or maintain a physical pulse with a foot or subtle body movement. Try different methods and notice which survives best when attention is divided.
A useful silent-gap progression
Reduce feedback gradually
1) Click every beat. 2) Click once per bar. 3) Alternate one bar of click with one silent bar. 4) Use the full 16 Beat Challenge. Stay at each stage until you can predict the returning click without bracing for it.
You can recreate the early stages with a metronome and your own counting before using the longer silent test.
How tempo changes the difficulty
At fast tempos there is less time between beats, but there are more internal events over the same number of seconds. At slow tempos each individual interval is longer and can be harder to estimate. Neither direction is automatically easier.
Practise a middle tempo first, then test both slower and faster values. If your error consistently grows in one direction as the tempo changes, that is useful information about how you are representing the pulse.
Transfer it back to music
Silent timing practice is only useful if it improves music. Try a familiar riff or chord pattern with the metronome dropping out for a bar, then returning. Your job is to make the returning click feel unsurprising.
Eventually, stop thinking about “passing the test”. The target skill is a pulse steady enough that you can phrase freely without losing where the shared time is.