Thursday, January 17, 2013
Review: Asus Xonar Essence One USB DAC and Headphone Amplifier delivers audio ecstasy
The Xonar
is a sampling rate converter, a USB DAC (digital to analog), a CAD independent (with coaxial and optical digital input), a frequency converter sampling preamplifier (with XLR and stereo RCA), headphone amplifier and soft. as a USB audio device, the Xonar maintains APC???? S output audio in the digital domain until the Xonar. It can accept signals with either 16 - or 24-bit resolution with sampling frequencies of 44.1 to 192 kHz. When the bitstream Xonar reached a DSP (digital signal processor) samples the signal to 32-bit resolution and a sampling frequency by a symmetrically oversampling factor of eight. A 16-bit, 44.1 kHz signal (resolution and sample rate of an audio CD) is 32-bit resolution at a sampling frequency of 352.8kHz (44.1 x 8 ) as input signals with sampling frequency) 88.2 or 176.4 kHz. A 16-bit, 48 kHz signal, in turn, is converted to 32-bit and a sampling frequency of 384 kHz (48 x 8), as signals of sampling frequencies of 96 or 192 - kHz. Oversampling is known to improve the signal quality it?? S presented to the DAC (digital to analog), much the same way that an image can allow oversampling digital zoom without seeing jagged edges. Theoretically, the higher the resolution and the sampling frequency, the better the audio quality. Icing on the cake, says Asus Xonar provides a signal-to-noise ratio of 120 dB. Find best price for : --Speakers----Ultrasone----Windows----Fubar----ASIO----stream----Essence----Xonar----Asus--
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