У вашего броузера проблема в совместимости с HTML5
Let's compare HDCD vs Spotify Premium sound quality. If the regular CD is 16 bit and 1,411 kbps (16 bits x 44.1 kHz x 2 channels) and HDCD is 20 bits worth of data (20 bits x 44.1 kHz x 2) gives 1746 kbps. How this compares to Spotify Premium and it's 320 kbps?