John Mulcahy's latest activity
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John Mulcahy replied to the thread algorithm a-b seem not work, phase is near same.You should be doing A/B, or more likely |A|/|B|. -
John Mulcahy replied to the thread Cannot Calibrate REW with UMIK-2.You need to select the input device and input corresponding to the UMIK-2 in the REW soundcard preferences and load the cal file, which...
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John Mulcahy replied to the thread Actions Button in Overlays Window.Right click on a measurement to offset just that measurement, the graph right click offset applies to all the current selections. V5.40...
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John Mulcahy replied to the thread New User - Sine sweep noise.What REW driver setting are you using? Best option is usually Java WASAPI Exclusive (device names starting EXCL).
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.It displays normally for me:
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.What should it show? Currently: zh_TW: CALIBRATE_LEVEL_TITLE=校正電壓值 CALIBRATE_BUTTON=校正 CALIBRATE_LEVEL_PROMPT=建議最好使用有標示True...
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John Mulcahy replied to the thread Definition of "Model fit" value in RT60 Decay.It's the mean squared error between the measured response (the slices of the waterfall) and the model response after the model response...
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John Mulcahy replied to the thread EQ model implementation request and info/measurements for BSS Soundweb Original series.That only appears to be valid for -10 dB gain. The responses also do not appear to be symmetric, so a -10 dB filter followed by a +10dB...
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.Builds updated today (beta 118) with these changes: Added: In-app help has French translations courtesy of Eric Massicotte Changed...
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.Thanks, should be fixed in beta 118 which I have just uploaded.
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John Mulcahy replied to the thread Different readings from the SPL meter and RTA when measuring room background noise..Doesn't much matter, 50% is OK, higher overlaps will give more frequent trace updates.
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.If you make a change try the reload driver button on the soundcard preferences.
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John Mulcahy replied to the thread Different readings from the SPL meter and RTA when measuring room background noise..You should also use overlap for the FFT.
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John Mulcahy replied to the thread Different readings from the SPL meter and RTA when measuring room background noise..You have the meter set to Fast, so much less filtering than 2 averages of 64k zero overlap FFT. For a more stable meter reading use Slow...
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John Mulcahy replied to the thread Different readings from the SPL meter and RTA when measuring room background noise..Your concern is the difference between 33.2 on the meter and 34.4 on the RTA?
