for the paper "Conversion Between Mathematical Functions And Sound"

sound_gen.go

package main

import (
	"log"
	"os"

	"math"

	"github.com/youpy/go-wav"
)

const (
	numChannels   uint16  = 1
	sampleRate    uint32  = 44100
	bitsPerSample uint16  = 16
	numSamples    uint32  = sampleRate * 1
	timeStep      float64 = 1. / float64(sampleRate)

	amplitude = 1 << (bitsPerSample - 1)
	frequency = 440 // Standard A
)

var samples [numSamples]wav.Sample

func getFValue(t float64) int {
	return // value for certain time `t`
}

func main() {
	curStep := 0.
	for i := range samples {
		samples[i] = wav.Sample{Values: [2]int{getFValue(curStep), 0}}
		curStep += timeStep
	}
	fil, err := os.Create("out.wav")
	if err != nil {
		log.Fatal(err)
	}
	defer fil.Close()
	if err := wav.NewWriter(fil, numSamples, numChannels, sampleRate, bitsPerSample).WriteSamples(samples[:]); err != nil {
		log.Fatal(err)
	}
}