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DSP Tower of Babel
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<blockquote data-quote="Bennett Prescott" data-source="post: 16987" data-attributes="member: 4"><p>Re: DSP Tower of Babel</p><p></p><p></p><p> </p><p>Yes, it looks like FPPO (and to a lesser extent MTW) are no better in the LF for this measurement than 16K, and 16K is much better in the HF (as expected) for capturing that little resonance cut. I am using the 16K results for every processor. Measuring acoustically vs. electrically is a very different can of analogies, and that train has sailed.</p><p> </p><p>Here are the latest results, two more processors. The overall level offsets are certainly due to different interface gains, and I will have to find a precise way to account for that. However, the gross differences in filter response, especially in the HF, are illuminating. You can also see that one of our processors sets its HPF definition incorrectly for Bessel.</p><p> <img src="http://www.soundforums.net/attachment.php?attachmentid=325&d=0" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="Bennett Prescott, post: 16987, member: 4"] Re: DSP Tower of Babel Yes, it looks like FPPO (and to a lesser extent MTW) are no better in the LF for this measurement than 16K, and 16K is much better in the HF (as expected) for capturing that little resonance cut. I am using the 16K results for every processor. Measuring acoustically vs. electrically is a very different can of analogies, and that train has sailed. Here are the latest results, two more processors. The overall level offsets are certainly due to different interface gains, and I will have to find a precise way to account for that. However, the gross differences in filter response, especially in the HF, are illuminating. You can also see that one of our processors sets its HPF definition incorrectly for Bessel. [IMG]http://www.soundforums.net/attachment.php?attachmentid=325&d=0[/IMG] [/QUOTE]
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