# AY-3-8910 instrument editor AY-3-8910 instrument editor consists of these macros. - [Volume] - volume levels sequence - [Arpeggio]- pitch sequence - [Noise Freq] - AY-3-8910 noise generator frequency sequence - [Waveform] - selector of sound type - square wave tone, noise or envelope generator - [Pitch] - fine pitch - [Phase Reset] - trigger restart of waveform - [Envelope] - allows shaping an envelope - [AutoEnv Num] - sets the envelope to the channel's frequency multiplied by numerator - [AutoEnv Den] - sets the envelope to the channel's frequency multiplied by denominator