This specific technical configuration indicates a "High-Resolution" bit depth paired with a standard CD-quality sample rate:
Unlike streaming versions that may use compression algorithms (Ogg Vorbis or AAC), FLAC (Free Lossless Audio Codec) provides bit-for-bit accuracy to the original studio master. Track Highlights and High-Fidelity Details Tame Impala - Currents -2015- 24-44.1 FLAC-BBM