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Looking for the chart that converts XILICA or others to others
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<blockquote data-quote="Mark DeArman" data-source="post: 88083" data-attributes="member: 950"><p>Re: Looking for the chart that converts XILICA or others to others</p><p></p><p></p><p></p><p>It's about the shape in BW vs. Cut that is different. There is no analog between the two shapes. The structure, poles-zeros, is the same, but the algorithm used to compute their location is different. There is no help, but to re-EQ the system with measurements. In fact, many older DSPs, and stand alone EQ units, have major differences in their shape. Many digital systems systems copied their code from:</p><p><a href="http://www.musicdsp.org/files/Audio-EQ-Cookbook.txt" target="_blank">http://www.musicdsp.org/files/Audio-EQ-Cookbook.txt</a></p><p></p><p>If you want to take a look.</p><p></p><p></p><p></p><p>I'm really not sure what you mean by this. IE. Old approach, complex curves??? Yes I agree with you. For our DSP, (Loudspeaker Processor,) I provide an addendum which has definitions of the filters, available to customers. But like I said above, the parametric inputs to these filter calculations vary, and unless copied from some standard source, don't mean the same thing, unless it is a predefined shape like an LR-24 or something. </p><p></p><p>Xilica would argue, and I would agree, that their PEQ shape (constant BW) is better than the standard you would find on say an older Ashly or such. I do agree, that I wish the parameters would mean the same thing, but that just won't happen as long as innovation continues in the DSP industry. I don't expect my settings from my Ashly to drop onto my LM26 ?</p><p></p><p>Anyway, regarding your PS, YES, manufactures who do not provide settings for their products (and I mean complete systems) on their recommended or own DSP solutions are crazy or stupid. Most likely end users purchased the loudspeaker system based on hearing those settings, and should use them as a baseline for their own. </p><p></p><p>Mark.</p></blockquote><p></p>
[QUOTE="Mark DeArman, post: 88083, member: 950"] Re: Looking for the chart that converts XILICA or others to others It's about the shape in BW vs. Cut that is different. There is no analog between the two shapes. The structure, poles-zeros, is the same, but the algorithm used to compute their location is different. There is no help, but to re-EQ the system with measurements. In fact, many older DSPs, and stand alone EQ units, have major differences in their shape. Many digital systems systems copied their code from: [URL]http://www.musicdsp.org/files/Audio-EQ-Cookbook.txt[/URL] If you want to take a look. I'm really not sure what you mean by this. IE. Old approach, complex curves??? Yes I agree with you. For our DSP, (Loudspeaker Processor,) I provide an addendum which has definitions of the filters, available to customers. But like I said above, the parametric inputs to these filter calculations vary, and unless copied from some standard source, don't mean the same thing, unless it is a predefined shape like an LR-24 or something. Xilica would argue, and I would agree, that their PEQ shape (constant BW) is better than the standard you would find on say an older Ashly or such. I do agree, that I wish the parameters would mean the same thing, but that just won't happen as long as innovation continues in the DSP industry. I don't expect my settings from my Ashly to drop onto my LM26 ? Anyway, regarding your PS, YES, manufactures who do not provide settings for their products (and I mean complete systems) on their recommended or own DSP solutions are crazy or stupid. Most likely end users purchased the loudspeaker system based on hearing those settings, and should use them as a baseline for their own. Mark. [/QUOTE]
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