1.0 milliseconds -- cycle time for frequency 1 kHz
1 ms -- duration of light for typical photo flash strobe
2.27 ms -- cycle time for the A above middle C in music (440 Hz). If an electric tuning device for musical instruments generates just one tone, this is probably that tone.
... channels BBC1 and BBC2, using terrestrial signals, and this is seen by some as influential (to a certain limited extent) in promoting the take-up of digita ...