To avoid such problems, it's much easier to simply zero out all DSP delay and gain/attenuation parameters prior to performing the measurements.Ī similar, but even worse situation can occur if the measurements were performed with DSP filters set to a non-flat condition. The maximum allowable delay that you would specify for the delay block in MSO for this case would need to be 5.5 msec, as the delay was 2 msec when the measurement was performed. Setting the maximum allowable delay of the applicable MSO delay block to 7.5 msec would be incorrect for this example, as that would allow for a final delay of up to 9.5 msec in the DSP device. Assume for this example that a non-HD miniDSP 2x4 device (which has a maximum delay of 7.5 msec) is being used. Second, it makes the task of preventing MSO from exceeding the hardware limits of your DSP for e.g.
FUZZMEASURE FOR MAC MANUAL
First, the non-zero initial delay requires tedious and error-prone manual calculation of the final delay value. It should be clear that performing the measurements with this sub's delay set to a non-zero value has caused at least two problems. 7.4 msec for a particular sub, and the measurements were performed with that sub's delay set to 2 msec, the correct final delay would be 9.4 msec, not 7.4 msec. It's important to realize that the filter parameters, polarity inversions and delay and gain values used by MSO represent changes relative to the conditions at which the measurements were performed. Multi-Sub Optimizer Reference Manual (page 3) Taking Measurements With Your Measurement Software First Clear Out DSP Filters, Delays, Gains and Polarity Inversions Taking Measurements With Your Measurement Software
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