I have received a fairly enormous selection of Raspberry Pi audio cards from four suppliers (Pimoroni, IQaudIO, HiFiBerry and JustBoom). It’s a bewildering array of DACs and AMPs, which allow you to turn your Pi into a HiFi system capable of playing sound files up to 32-bit 384 kHz, in theory. In reality 24-bit audio is about the highest quality you can buy and it’s questionable whether human ears can resolve any higher anyway. Anyway – I’m not planning to turn into a raving audiophile (anyone seen my gold speaker leads?) so here’s the stuff […more…]