Dave,
I think the DD spec of 0dB for LFE channel is actually +10dB relative to other channels. For DTS, equivalent setting is +10dB for the LFE. The recorded signal has been attenuated on incoming signal to allow more headroom when large explosions and such take place. Yamaha DSP-A1, Casablanca Theta processor, and perhaps some others that came out around '98 had the ability to set different LFE levels for DD and DTS. I keep DD at 0dB and DTS at +10dB and adjust the LFE from spekaer level menu during calibration, which then automatically adjusts both DD and DTS levels by the same amount. It may not be a bad idea for a processor to be able to adjsut LFE for DTS and DD separately since there is some inconsistency among various music and movie sound tracks; for instance, some have reported that early DTS music tracks require the +10dB setting whereas the later ones require the 0db setting.
John
