In a Dolby Digital or DTS 5.1 system should subwoofer level be aligned up or down by 10 dB?

In a Dolby Digital or DTS 5.1 system should subwoofer level be aligned up or down by 10 dB?There is much confusion in the industry about this issue. The explanation may sound complicated but it is worth trying to understand it so that mistakes are not made.

Headroom in the LFE channel

...

What is the LFE (.1) Channel?

What is the LFE (.1) Channel?

Many people call the LFE channel the “subwoofer channel.” In fact, the LFE channel is the space on the medium for the .1 encoded (and usually band limited) audio channel. The “subwoofer channel” is no...

How does the 85 Hz test tone work?

When the connection to the Genelec Bass Management System is properly done, it is possible and necessary to adjust the Phase at the crossover point once the multi-channel system is set-up in the room....

What is the Bass Management Bypass feature?

The Bass Management Bypass feature affects the main channels only and the LFE channel remains unaffected. This means that the low frequency extension of all main loudspeakers by the subwoofer is bypas...

What is Bass Management?

Using active electronic filters and crossovers, Bass Management allows you to extract and reproduce the very low frequency information from the main channels, as well as the LFE channel, over one or m...