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Audio and Video Talk
Audio Visual Technology
Active loudspeakers/ Active crossovers- the Next Big Thing
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<blockquote data-quote="Hennie" data-source="post: 43741" data-attributes="member: 20"><p>I'll look up the links to those and post them later today.</p><p></p><p></p><p></p><p>Hypex also has a white paper out cautioning against brute force FIR driver correction / linear phase FIR filters / steep attenuation rates. The Hypex modules will later offer the capability to linearize phase of IIR crossover filters with a relatively simple FIR all pass filter. Thus they are only going to use FIR for phase linearization of the total loudspeaker after application of the IIR crossover in order to avoid pre-ringing.</p><p></p><p>I'll see if I can locate that white paper.</p></blockquote><p></p>
[QUOTE="Hennie, post: 43741, member: 20"] I'll look up the links to those and post them later today. Hypex also has a white paper out cautioning against brute force FIR driver correction / linear phase FIR filters / steep attenuation rates. The Hypex modules will later offer the capability to linearize phase of IIR crossover filters with a relatively simple FIR all pass filter. Thus they are only going to use FIR for phase linearization of the total loudspeaker after application of the IIR crossover in order to avoid pre-ringing. I'll see if I can locate that white paper. [/QUOTE]
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Audio and Video Talk
Audio Visual Technology
Active loudspeakers/ Active crossovers- the Next Big Thing
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