The Raspberry Pi (Raspi) deployed as an audio device can often sound weak to audiophile ears. Its digital (USB) output is electrically noisy and the onboard D/A conversion puts the Raspi’s 3.5mm analogue output on par with the average smartphone. Not great.
Extending the Raspi with a HAT board, like those offered up by HiFiBerry, can turn that frown upside down. Their DAC+ HAT (and its variants) pulls a Raspi’s digital audio up through the connecting 40-pin riser to execute its own superior sounding D/A conversion.… Read the full article