John Mulcahy's latest activity
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John Mulcahy replied to the thread Unexpected Low-Frequency attenuation in measurements.Settings look fine, there's nothing you could set that would roll off the low end in any case. An air leak from the seating seems the... -
John Mulcahy replied to the thread Unexpected Low-Frequency attenuation in measurements.Probably best attaching the mdat for the REW measurement, easier to check settings that way.
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John Mulcahy replied to the thread No multichannel using REW downloaded with Java.In the Sound settings window, click on "Sound Control Panel" under "Related Settings" and look on the Advanced tab.
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.Seems to work as expected on a 4-input interface I just tried.
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John Mulcahy replied to the thread No multichannel using REW downloaded with Java.Perhaps the "Allow applications to take exclusive control" box is not checked in the Windows Audio properties Advanced tab for the Altitude.
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John Mulcahy replied to the thread Polarity, delay and phase in sub alignment.No, perhaps you have got your settings wrong.
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.Scope CH1 is whatever has been selected as the measurement input channel, scope CH2 is whatever has been selected as the ref input channel.
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John Mulcahy replied to the thread Distortion noise in measurement.Input device = device REW gets audio from. Output device = device REW sends audio to.
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John Mulcahy replied to the thread Distortion noise in measurement.If the input and output are on different devices the second timing ref signal allows REW to correct for any small difference in their...
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John Mulcahy replied to the thread No multichannel using REW downloaded with Java.Are you using the device name that starts "EXCL"?
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John Mulcahy replied to the thread Distortion noise in measurement.Analysis preferences: The Adjust clock with acoustic ref selection controls whether REW compensates for clock rate differences between...
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John Mulcahy replied to the thread Not All Pink Noise is the Same!.Correlated noise will add coherently at low frequencies, uncorrelated will not, though how well centred the mic is between the speakers...
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.There's an issue in the current build where group delay traces for smoothed measurements are not being updated on IR window or t=0...
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John Mulcahy replied to the thread Not All Pink Noise is the Same!.In 5.31 and earlier the noise is correlated, in the V5.40 beta builds it can be either.
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John Mulcahy replied to the thread Not All Pink Noise is the Same!.One other consideration: if you played the signal on both speakers the result will depend on whether the same signal goes to both...
