Channel
constructor(sample: Int = 0, note: Int = 24, command: Int = 0, data: Int = 0, samplepos: Double = 0.0, samplespeed: Double = 0.0, flags: Int = 0, noteon: Int = 0, slidespeed: Int = 0, slideto: Double = 0.0, slidetospeed: Int = 0, arpeggio: Int = 0, period: Double = 0.0, volume: Int = 64, voiceperiod: Double = 0.0, voicevolume: Int = 0, oldvoicevolume: Int = 0, semitone: Int = 12, vibratospeed: Int = 0, vibratodepth: Int = 0, vibratopos: Int = 0, vibratowave: Int = 0, lastoffset: Int = 0, lastretrig: Int = 0, volramp: Double = 0.0, volrampfrom: Int = 0, trigramp: Double = 0.0, trigrampfrom: Double = 0.0, currentsample: Double = 0.0, lastsample: Double = 0.0, volslide: Int = 0)