CORDIC and Taylor based FPGA music synthesizer
Trio Adiono, Vincentius Timothy, Nur Ahmadi, Aditya Candra, Khafit Mufadli · 2015
Trigonometric functions of sine and cosine play an important role in a wide variety of applications. COordinate Rotation Digital Computer (CORDIC) and Taylor expansion algorithms are commonly used to calculate those functions. This paper presents the architecture of both CORDIC and Taylor algorithms and their implementation for music synthesizer application. All design modules are written in Verilog HDL and simulated using ModelSim tool. The proposed designs are synthesized using Altera Quartus II software and successfully implemented in Altera DE2 FPGA board. The proposed CORDIC design consumes 1750 area and 222.47 MHz maximum frequency, while the proposed Taylor design utilizes 870 area and 94.73 MHz maximum frequency. Based on AT analysis, CORDIC design performs better than Taylor design.