John Mulcahy's latest activity
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John Mulcahy replied to the thread Confusion about FFT length and Max overlap.The spikes at multiples of 60 Hz are usually mains hum. Multiples of 1 kHz can be USB related. -
John Mulcahy replied to the thread No output or swep sound.Choose the Java entries that start EXCL. Just saying "ASIO" doesn't explain what you are using. ASIO4All? FlexASIO? A native ASIO...
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John Mulcahy replied to the thread Confusion about FFT length and Max overlap.Longer FFT = narrower bins = less energy per bin. To avoid that choose the volts per √Hz Y axis option to display the amplitude spectral...
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John Mulcahy replied to the thread FSAF (Fast subband adaptive filtering) measurement.It's somewhat difficult to manage. At the time a measurement is made it doesn't have a folder, it only exists in memory, so the...
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John Mulcahy replied to the thread Rew Issues that I would like to fix.Sounds like you have turned on the Separate traces button above the graph, see the Overlays help.
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John Mulcahy replied to the thread Rew Issues that I would like to fix.The step response is the integral of the impulse response.
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.Java does not support moving popups, I can only control where they appear. I'll make them appear over the list instead of to the right...
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.No, that behaviour is within the Java runtime.
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.Fixed for next build, shouldn't appear when there isn't a filter but the test was checking the HP filter.
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John Mulcahy replied to the thread FSAF (Fast subband adaptive filtering) measurement.Triangular high pass dither is added to file data as required to ensure the excitation has sufficient HF energy for the FSAF processing.
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.Builds updated today (beta 62) with these changes: Added: Double-clicking a measurement on the All SPL or overlay graph selectors makes...
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John Mulcahy replied to the thread Measuring capacitors and inductivities not related to speakers.Should be fine.
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John Mulcahy replied to the thread Issues with flexASIO in REW.In your home folder (C:\Users\<your username>) delete the file FlexASIO.toml then start REW.
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.There is no published algorithm to generate the M-noise so that would mean adding the M-noise WAV files to the REW distribution. I don't...
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.Note that I have only added Michael's improved filters. He has made many other changes in the subband processing, but porting those...