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Documentation

Index

• Constants
• Variables
• type HarmonicKey
  • func (k HarmonicKey) Index() int
  • func (HarmonicKey) KeysPerOctave() int
  • func (k HarmonicKey) String() string
• type PythagoreanKey
  • func (k PythagoreanKey) Index() int
  • func (PythagoreanKey) KeysPerOctave() int
  • func (k PythagoreanKey) String() string

Constants

const (
	HarmonicUnison           = 1.0
	HarmonicMinorSecond      = 25.0 / 24.0
	HarmonicMajorSecond      = 9.0 / 8.0
	HarmonicMinorThird       = 6.0 / 5.0
	HarmonicMajorThird       = 5.0 / 4.0
	HarmonicFourth           = 4.0 / 3.0
	HarmonicDiminishedFourth = 45.0 / 32.0
	HarmonicFifth            = 3.0 / 2.0
	HarmonicMinorSixth       = 8.0 / 5.0
	HarmonicMajorSixth       = 5.0 / 3.0
	HarmonicMinorSeventh     = 9.0 / 5.0
	HarmonicMajorSeventh     = 15.0 / 8.0
)

const (
	Harmonic_C4Frequency      = equalTuning.A440_C4Frequency * HarmonicUnison
	Harmonic_CSharp4Frequency = Harmonic_C4Frequency * HarmonicMinorSecond
	Harmonic_D4Frequency      = Harmonic_C4Frequency * HarmonicMajorSecond
	Harmonic_DSharp4Frequency = Harmonic_C4Frequency * HarmonicMinorThird
	Harmonic_E4Frequency      = Harmonic_C4Frequency * HarmonicMajorThird
	Harmonic_F4Frequency      = Harmonic_C4Frequency * HarmonicFourth
	Harmonic_FSharp4Frequency = Harmonic_C4Frequency * HarmonicDiminishedFourth
	Harmonic_G4Frequency      = Harmonic_C4Frequency * HarmonicFifth
	Harmonic_GSharp4Frequency = Harmonic_C4Frequency * HarmonicMinorSixth
	Harmonic_A4Frequency      = Harmonic_C4Frequency * HarmonicMajorSixth
	Harmonic_ASharp4Frequency = Harmonic_C4Frequency * HarmonicMinorSeventh
	Harmonic_B4Frequency      = Harmonic_C4Frequency * HarmonicMajorSeventh
)

const (
	HarmonicKeyC = HarmonicKey(0 + iota)
	HarmonicKeyCSharp
	HarmonicKeyD
	HarmonicKeyDSharp
	HarmonicKeyE
	HarmonicKeyF
	HarmonicKeyFSharp
	HarmonicKeyG
	HarmonicKeyGSharp
	HarmonicKeyA
	HarmonicKeyASharp
	HarmonicKeyB

	HarmonicMaxKey = HarmonicKeyB
	HarmonicMinKey = HarmonicKeyC
)

const (
	Pythagorean_DFrequency      = equalTuning.A432_D4Frequency * PythagoreanUnison
	Pythagorean_EFlatFrequency  = Pythagorean_DFrequency * PythagoreanMinorSecond
	Pythagorean_EFrequency      = Pythagorean_DFrequency * PythagoreanMajorSecond
	Pythagorean_FFrequency      = Pythagorean_DFrequency * PythagoreanMinorThird
	Pythagorean_FSharpFrequency = Pythagorean_DFrequency * PythagoreanMajorThird
	Pythagorean_GFrequency      = Pythagorean_DFrequency * PythagoreanPerfectFourth
	Pythagorean_AFlatFrequency  = Pythagorean_DFrequency * PythagoreanDiminishedFifth
	Pythagorean_AFrequency      = Pythagorean_DFrequency * PythagoreanPerfectFifth
	Pythagorean_BFlatFrequency  = Pythagorean_DFrequency * PythagoreanMinorSixth
	Pythagorean_BFrequency      = Pythagorean_DFrequency * PythagoreanMajorSixth
	Pythagorean_CFrequency      = Pythagorean_DFrequency * PythagoreanMinorSeventh
	Pythagorean_CSharpFrequency = Pythagorean_DFrequency * PythagoreanMajorSeventh
)

const (
	PythagoreanUnison          = 1.0
	PythagoreanMinorSecond     = 256.0 / 243.0
	PythagoreanMajorSecond     = 9.0 / 8.0
	PythagoreanMinorThird      = 32.0 / 27.0
	PythagoreanMajorThird      = 81.0 / 64.0
	PythagoreanPerfectFourth   = 4.0 / 3.0
	PythagoreanDiminishedFifth = 1024.0 / 729.0
	PythagoreanPerfectFifth    = 3.0 / 2.0
	PythagoreanMinorSixth      = 128.0 / 81.0
	PythagoreanMajorSixth      = 27.0 / 16.0
	PythagoreanMinorSeventh    = 16.0 / 9.0
	PythagoreanMajorSeventh    = 243.0 / 128.0
)

const (
	PythagoreanKeyD = PythagoreanKey(0 + iota)
	PythagoreanKeyEFlat
	PythagoreanKeyE
	PythagoreanKeyF
	PythagoreanKeyFSharp
	PythagoreanKeyG
	PythagoreanKeyAFlat
	PythagoreanKeyA
	PythagoreanKeyBFlat
	PythagoreanKeyB
	PythagoreanKeyC
	PythagoreanKeyCSharp

	PythagoreanMaxKey = PythagoreanKeyCSharp
	PythagoreanMinKey = PythagoreanKeyD
)

const HarmonicKeysPerOctave int = int(cHarmonicMaxKeys)

const PythagoreanKeysPerOctave int = int(cPythagoreanMaxKeys)

Variables

var Harmonic tuning.Tuning = &harmonic{}

var Pythagorean tuning.Tuning = &pythagorean{}

Types

type HarmonicKey

type HarmonicKey int

func (HarmonicKey) Index

func (k HarmonicKey) Index() int

func (HarmonicKey) KeysPerOctave

func (HarmonicKey) KeysPerOctave() int

func (HarmonicKey) String

func (k HarmonicKey) String() string

type PythagoreanKey

type PythagoreanKey int

func (PythagoreanKey) Index

func (k PythagoreanKey) Index() int

func (PythagoreanKey) KeysPerOctave

func (PythagoreanKey) KeysPerOctave() int

func (PythagoreanKey) String

func (k PythagoreanKey) String() string