17
February
What is the difference between a BGM system and a high SPL system?
What is the difference between a BGM system and a high SPL system? High Sound Pressure Level (SPL) systems, often referred to as foreground systems, used in stadia, concert halls and other large venues differ quite dramatically from a system normally used for background music/paging. The human ear has a weaker sensitivity to bass and treble frequencies at lower levels, subsequently electronics manufacturers often design products with a ‘loudness curve’ frequency response i.e. products that add in bass and treble frequencies to the sound at low-levels. These products are often