Sound.Honk

Cross-platform interface to the PC speaker.

Here's an example:

simpleBeep = play [Note 1.0 440]

For more examples, see the readme.

Output

play :: [Note] -> IO ()

Play multiple notes in order, one after the other.

playOne :: Note -> IO ()

Play a single note.

Types

data Note

Represents a single note, with a duration in seconds and a frequency in hertz.

Constructors

Note

Fields

duration :: Rational

frequency :: Double

Instances

Eq Note

Ord Note

Show Note

Utility functions

freqToMidi :: Floating a => a -> a

Convert a frequency to a MIDI note value.

midiToFreq :: Floating a => a -> a

Convert a MIDI note value to a frequency.

loop :: Int -> [a] -> [a]

Repeat a sequence a specified number of times.