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Junior Varsity
out of band eq filters
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<blockquote data-quote="John Roberts" data-source="post: 41314" data-attributes="member: 126"><p>Re: out of band eq filters</p><p></p><p>You may be worrying a little too much about phase shift. Ideally EQ that corrects amplitude errors will also move the phase shift to be more correct. </p><p></p><p>All pass filters in connection with crossovers were often used in simpler times generate some effective delay to compensate for physical driver offsets, back before DSP and simple pure delay was easily available. Making multiple drivers work nicely together is far more complex than room EQ. </p><p></p><p> Another thought, unless the phase response readings are identical at every room microphone, what do you correct to? </p><p></p><p>JR</p></blockquote><p></p>
[QUOTE="John Roberts, post: 41314, member: 126"] Re: out of band eq filters You may be worrying a little too much about phase shift. Ideally EQ that corrects amplitude errors will also move the phase shift to be more correct. All pass filters in connection with crossovers were often used in simpler times generate some effective delay to compensate for physical driver offsets, back before DSP and simple pure delay was easily available. Making multiple drivers work nicely together is far more complex than room EQ. Another thought, unless the phase response readings are identical at every room microphone, what do you correct to? JR [/QUOTE]
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