Headroom is a signal processing referring to the most allowable signal level prior to compression or twist.
Headroom in terms of the audio system refers to the greatest acceptable level, or better known as digital FS (full scale) exceeds the configuration level, in dB (decibels). The anchor point is the position that exists all through the system or broadcast chain, even though the voltage levels are situated at different points. This is all placed in an alignment level which is +4 dBu at analog points in a professional audio chain, or 0dBu in a broadcast audio chain, and −18 dB FS at digital points, all this corresponds to 18 dB of headroom.
Headroom in terms of the audio system refers to the greatest acceptable level, or better known as digital FS (full scale) exceeds the configuration level, in dB (decibels). The anchor point is the position that exists all through the system or broadcast chain, even though the voltage levels are situated at different points. This is all placed in an alignment level which is +4 dBu at analog points in a professional audio chain, or 0dBu in a broadcast audio chain, and −18 dB FS at digital points, all this corresponds to 18 dB of headroom.