Standardne heli proovivõtusagedus on 48 000 Hz, ja seda kasutavad professionaalsed digitaalsed videoseadmed, nagu magnetofonid, videoserverid, nägemissegistid jne.
The standard audio sampling frequency 48 000 Hz used by professional digital video equipment such as tape recorders, video servers, vision mixers and so on.
