I had the urge to do a series of topics on sound visualization. This topic is a bit difficult and covers a wide range of areas. The related FFT and FHT algorithms are also quite complicated, but I sti
Competition in the smart speaker industry is becoming increasingly fierce, and major manufacturers are competing to develop more powerful and convenient products. Today's smart speakers have rich func
"Electromagnetic Compatibility Design and Testing (4th Edition)" was written by Tim Williams, a famous British electromagnetic compatibility expert, and is divided into three parts. The first part (Ch