The best tech products announced this week include Orange Amps' first-ever turntable and Nothing's striking noise-canceling ...

Aiming at the problem of poor human auditory sensation caused by the wide range variation of audio signal amplitude, a high-precision and expandable automatic volume control circuit system is designed ...

Class D amplifier is rarely reported to be broken when it is operating with a fluctuating load. This is because excessive voltage or current is imposed on the transistor of the class D amplifier.