Patent ID: 6141424
Filing Date: 2000-10-31
Classification: H04R

Abstract:
A headphone comprising:a jack to which a digital audio signal derived from a digital audio appliance is supplied, wherein the digital audio signal is a serial signal including left and right audio channels;a digital signal processor for performing an acoustic sound process with respect to the digital audio signal fed into said jack;a digital-to-analog converter for converting and separating said digital audio signal supplied from said digital signal processor into an analog left-channel audio signal and an analog right-channel audio signal;amplifier means for amplifying said analog left-channel audio signal and said analog right-channel audio signal derived from said digital-to-analog converter; andacoustic means for receiving and converting the amplified analog left-channel audio signal and the amplified analog right-channel audio signal from the amplifier means and for converting the analog audio signals into acoustic sounds,wherein said acoustic means, said jack, said digital signal processor, said digital-to-analog converter, and said amplifier means are built into said headphone.