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DSP Filters and slopes?
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<blockquote data-quote="Bennett Prescott" data-source="post: 27181" data-attributes="member: 4"><p>Re: DSP Filters and slopes?</p><p></p><p>I believe Douglas is not asking about very high order filters, which I think are generally a bad idea sonically (at the very least). He is asking why it is not possible to create a bandpass filter that simply stops passing audio at a certain frequency... not 6dB down, not 180dB/octave, just stops passing audio above a certain frequency. I wish I had a good answer. I "know" it's not practical because if it were someone would have done it, and physics just doesn't start and stop like that. Unfortunately I don't have a really good answer.</p></blockquote><p></p>
[QUOTE="Bennett Prescott, post: 27181, member: 4"] Re: DSP Filters and slopes? I believe Douglas is not asking about very high order filters, which I think are generally a bad idea sonically (at the very least). He is asking why it is not possible to create a bandpass filter that simply stops passing audio at a certain frequency... not 6dB down, not 180dB/octave, just stops passing audio above a certain frequency. I wish I had a good answer. I "know" it's not practical because if it were someone would have done it, and physics just doesn't start and stop like that. Unfortunately I don't have a really good answer. [/QUOTE]
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