val duration = 10 // duration of sound
val sampleRate = 22050 // Hz (maximum frequency is 7902.13Hz (B8))
val numSamples = duration * sampleRate
val samples = DoubleArray(numSamples)
val buffer = ShortArray(numSamples)
var note :IntArray =  IntArray(buffer.lastIndex)

    var i :Int = 0
    while (i < buffer.lastIndex){
        i++

        samples[i] = Math.sin(2.0 * Math.PI * i.toDouble() / (sampleRate / note[0])) // Sine wave
        buffer[i] = (samples[i] * java.lang.Short.MAX_VALUE).toShort() // Higher amplitude increases volume

}
    var audioTrack = AudioTrack(
        AudioManager.STREAM_MUSIC,
        sampleRate, AudioFormat.CHANNEL_OUT_MONO,
        AudioFormat.ENCODING_PCM_16BIT, buffer.lastIndex,
        AudioTrack.MODE_STATIC)

    audioTrack.write(buffer, 0, buffer.lastIndex)
    audioTrack.play()