Question: What company introduced a digital music workstation in 1992 and is the world's largest piano manufacturing company? A: Yamaha Corporation 
Sentence (from "Yamaha SY77"): The SY77 is a synthesizer whose architecture combines AFM (Advanced Frequency Modulation) synthesis, AWM2 (Advanced Wave Memory 2) for ROM-borne sample-based synthesis, and the combination of these two methods christened Realtime Convolution and Modulation Synthesis (RCM).
Relevant evidence: No