when it comes right down to it' the make and model of computer interface that you ise has just as much bearing on the sound you capture as the mics and preamps. this comes down to two devices embedded in most interfaces: the anolog - to -digital converter (often shortened ta ADC), which is the unit that converts the analog signals into the digital languageof DAW, and the digital - to -analog converter (often shortened ta DAC), which is the unit that converts the digital signal back to anlog for playback