DEQX User Manual
11.3 TIME ALIGNMENT
Time delays between the speakers and subwoofers are calculated using their impulse
responses. The delay that needs to be added to speakers or subwoofers depends not
only on their physical distance from the listening position but also the delay in the filters
that have been applied to them. The following method accounts for all of these factors.
In order to determine time delays, it is necessary to view the impulse response of the
speakers and subwoofers. The impulse response cannot be viewed in the Equalizer tab,
so the measurements will need to be opened in a data viewer by using the room
measurement wizard (page 88) or by using the project explorer, like this:
11.3.1 Determine speaker delay
Open one of the speaker measurements and click the Time button in the chart toolbar
to display its impulse response.
To zoom in on the impulse response, click on the zoom icon in the toolbar and then drag
out a rectangle around the impulse response so that it can be viewed clearly:
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