S.O.N.G/goborator
S.O.N.G/goborator
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Cleanup of names / values

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This commit is contained in:
DataHoarder 2022-01-26 09:38:13 +01:00
parent 0dbf0c1a59
commit f3afd2eca0
1 changed files with 10 additions and 6 deletions
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16
goborator.go
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@ -28,7 +28,7 @@ type Gaborator struct {
func NewGaborator(blockSize int, sampleRate float64, bandsPerOctave int, minimumFrequency, maximumFrequency, referenceFrequency float64, stepSize int) *Gaborator {
g := &Gaborator{
pointer: unsafe.Pointer(C.gaborator_initialize(C.double(sampleRate), C.int(bandsPerOctave), C.double(minimumFrequency), C.double(maximumFrequency), C.double(referenceFrequency))),
pointer: unsafe.Pointer(C.gaborator_initialize(C.double(sampleRate), C.int(bandsPerOctave), C.double(minimumFrequency), C.double(referenceFrequency), C.double(maximumFrequency))),
sampleRate: sampleRate,
audioBlockSize: blockSize,
audioDataToTransform: make([]float32, blockSize),
@ -93,12 +93,16 @@ func float32Max(a, b float32) float32 {
func (g *Gaborator) gaborTransform(audioData []float32) {
analysysResult := g.analyze(audioData)
analysisResult := g.analyze(audioData)
for i := 0; i < len(analysysResult); i += 3 {
band := int(analysysResult[i])
audioSample := int(analysysResult[i+1])
coefficient := analysysResult[i+2]
//The analysis result consists of a float array with three values:
// a frequency band index [i] (always an integer)
// an audio sample index [i+1] (expressed in audio samples)
// a magnitude value [i+2] (the magnitude value)
for i := 0; i < len(analysisResult); i += 3 {
band := int(analysisResult[i])
audioSample := int(analysisResult[i+1])
coefficient := analysisResult[i+2]
coefficientIndex := audioSample/g.frequencyBinTimeStepSize - g.coefficientIndexOffset
bandIndex := band - g.firstBandCache