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Found 1 result

  1. I have an 80 Hz crossover enabled in my Sound Blaster Zx with speakers set to "Small" so measurement is done with the crossover applied. As you can see there are massive nulls and resonances in my room. The LFE channel also has a massive dip of -16 dB at 50Hz. I have a Wharfedale SPC-12 and I can only listen to my system at something like -12.0 dB before the subwoofer severely distorts. The PC is connected via analog to my receiver so there is no DSP in the receiver. Is it possible that the crossover is behaving unpredictably when receiving filtered audio from each channel which has massive cuts and boosts? Could the total boosts in each channel be clipping once they are crossed over? As far as I understand, unless Dirac does its own crossover before filtering there will always be problems. The speakers and sub have to be measured without crossover. Then based on the findings, Dirac should apply its own crossover and mix the LFE channel before applying any filtering. Applying a digital crossover at a later stage will always result in some kind of clipping or overdrive. Basically measurement should be done without crossover and filtering should be done after crossover. It can be done with advanced routing but that has problems of its own and defeats the simplicity of the Dirac playback device.