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Junior Varsity
Listening Get Together
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<blockquote data-quote="Steve Clift" data-source="post: 82724" data-attributes="member: 3970"><p>Re: Listening Get Together</p><p></p><p></p><p></p><p>The 20 kHz limit may have something to do with the anti-aliasing filter in the sound card.</p><p></p><p>There's also a measurement for the RachE-12. The impulse responses are shown with a time span so large (+/- 200 ms) that no useful detail is visible. The IR gating for the GC-25 is set to 1 ms, so the frequency response plot is not valid below 1 kHz, as indicated by the "Gating" marker in the FR plot. The gate for the RachE-12 response seems to be set a little further out, maybe 2 ms, in which case the derived frequency response is not valid below 500 Hz. However, the frequency response is shown between 20 and 250 Hz.</p><p></p><p>What to make of this?</p></blockquote><p></p>
[QUOTE="Steve Clift, post: 82724, member: 3970"] Re: Listening Get Together The 20 kHz limit may have something to do with the anti-aliasing filter in the sound card. There's also a measurement for the RachE-12. The impulse responses are shown with a time span so large (+/- 200 ms) that no useful detail is visible. The IR gating for the GC-25 is set to 1 ms, so the frequency response plot is not valid below 1 kHz, as indicated by the "Gating" marker in the FR plot. The gate for the RachE-12 response seems to be set a little further out, maybe 2 ms, in which case the derived frequency response is not valid below 500 Hz. However, the frequency response is shown between 20 and 250 Hz. What to make of this? [/QUOTE]
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