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Monthly Downloads: 25
Programming language: Haskell
License: BSD 3-clause "New" or "Revised" License
Tags: Time    
Latest version: v1.0.0

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The unit of time called the Flick is equivalent to exactly 1/705,600,000 of a second.

Flicks are a small unit of time that are very evenly divisible by common file format time durations; i.e., for common durations they will have no rounding.

The figure was chosen so that frequencies of 24, 25, 30, 48, 50, 60, 90, 100 and 120 Hz, as well as 1/1000 divisions of all those, can be represented with integers. A flick is approximately 1.417 ns.

Due to the Nyquist Limit, this type should not be used for frequencies higher than ~400MHz.

In a 64bit type, the Flick can represent durations as an exact count up to ~414 years in length. This library implements them with the Haskell Integer type, which is unbounded.

A similar unit for integer representation of temporal points was proposed in 2004 under the name TimeRef, splitting a second into 14,112,000 parts. This makes 1 TimeRef equivalent to 50 Flicks.

First I saw of this idea was Christopher Horvath's description.

  • 24 fps frame: 29,400,000 flicks
  • 25 fps frame: 28,224,000 flicks
  • 30 fps frame: 23,520,000 flicks
  • 48 fps frame: 14,700,000 flicks
  • 50 fps frame: 14,112,000 flicks
  • 60 fps frame: 11,760,000 flicks
  • 90 fps frame: 7,840,000 flicks
  • 100 fps frame: 7,056,000 flicks
  • 120 fps frame: 5,880,000 flicks

We can also do common audio rates with precise numbers of flicks:

  • 8000 hz: 88,200 flicks
  • 16000 hz: 44,100 flicks
  • 22050 hz: 32,000 flicks
  • 24000 hz: 29,400 flicks
  • 32000 hz: 22,050 flicks
  • 44100 hz: 16,000 flicks
  • 48000 hz: 14,700 flicks
  • 88200 hz: 8,000 flicks
  • 96000 hz: 7,350 flicks
  • 192000 hz: 3,675 flicks