John Mulcahy's latest activity
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John Mulcahy replied to the thread Exporting IR without HPF/LPF phase shifts.REW doesn't apply any filters to the export. If you are exporting the windowed response perhaps you are seeing the effect of your... -
John Mulcahy replied to the thread IMD Measurements: "Generator" vs "Input" Level Discrepancy.Yes.
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John Mulcahy replied to the thread REW Beta Release Overlay chart new feature suggestion.I suspect that particular alignment is irrelevant since it is responses after filtering that will be aligned with each other and they...
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John Mulcahy replied to the thread REW Beta Release Overlay chart new feature suggestion.Just to pick a frequency.
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John Mulcahy replied to the thread REW Beta Release Overlay chart new feature suggestion.It's a 10 Hz first order low pass filter ("LP1") applied in the EQ window.
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John Mulcahy replied to the thread REW Beta Release Overlay chart new feature suggestion.Your measurement vs your measurement with 1st order low pass (so roll-off of 6 dB/octave) at 10 Hz, aligned at 1 kHz:
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John Mulcahy replied to the thread Varying Output Levels After Tweaking Speaker EQ on an AVR.Sounds like an AVR thing. Make sure there's no dynamic EQ or similar enabled and check the AVR processing mode.
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John Mulcahy replied to the thread REW Beta Release Overlay chart new feature suggestion.Note that the comments above refer to the V5.40 beta build.
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John Mulcahy replied to the thread REW Beta Release Overlay chart new feature suggestion.You can align a set of responses by right clicking on the graph and using Align SPL. You could apply a 10 Hz first order low pass...
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John Mulcahy replied to the thread Cannot Calibrate REW with UMIK-2.My UMIK-2 is within 0.5 dB on my class 1 calibrator at 94 dB.
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John Mulcahy replied to the thread Cannot Calibrate REW with UMIK-2.You can adjust the mic cal file SENS_FACTOR figure to alter the calibration if you feel it is incorrect, but I wouldn't have expected a...
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John Mulcahy replied to the thread Definition of "Model fit" value in RT60 Decay.REW is using UNCMIN to minimise the error function (model fit) across the range of the data between the green and red dots by adjusting...
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John Mulcahy replied to the thread Linux witth Java Install.There is a Linux version with an AMD64 runtime and one without, for other processor types. V5.31 requires a Java 8 runtime to be...
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John Mulcahy replied to the thread Cannot Calibrate REW with UMIK-2.I don't know what you mean by "named default", but if "default" appears anywhere within the device name or input name REW cannot access...
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John Mulcahy replied to the thread algorithm a-b seem not work, phase is near same.Because the graph is showing dB, a logarithmic unit. Addition of dB values corresponds to multiplication, subtraction of dB values...
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