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DIY & Tutorials
DIY, Audio & Video Tutorials
A rough guide to crossover design
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<blockquote data-quote="Timber_MG" data-source="post: 546801" data-attributes="member: 18"><p>The Hilbert transformation is akin to the derivation of a function. The time of flight goes missing which is why one has to add it back. Typically one will for modeling's sake add it to the measurements by means of metadata in a modeling program or take two measurements with the same distance to the microphone from the baffle and live with the rapid phase crossings of the phase. The latter is more accurate with regards to sub-sample phase accuracy while the prior is easier to work with as the phase doesn't transition past the zero crossing more than 90 degrees per filter order.</p></blockquote><p></p>
[QUOTE="Timber_MG, post: 546801, member: 18"] The Hilbert transformation is akin to the derivation of a function. The time of flight goes missing which is why one has to add it back. Typically one will for modeling's sake add it to the measurements by means of metadata in a modeling program or take two measurements with the same distance to the microphone from the baffle and live with the rapid phase crossings of the phase. The latter is more accurate with regards to sub-sample phase accuracy while the prior is easier to work with as the phase doesn't transition past the zero crossing more than 90 degrees per filter order. [/QUOTE]
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DIY & Tutorials
DIY, Audio & Video Tutorials
A rough guide to crossover design
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