John Mulcahy's latest activity
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John Mulcahy replied to the thread How to measure NR.See the "Show noise curves" option in the RTA Appearance settings.
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John Mulcahy replied to the thread room eq wizard settings help.When using ASIO there is an option to select a second output, which can be any channel. If the fronts are not full range then anything...
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John Mulcahy replied to the thread Speaker type.If you are measuring a very large space then an omni dodecahedron is recommended, but that is the realm of professional acoustics and...
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.Builds updated today (beta 70) with these changes: Added: Distortion overlay graph controls have a "Plot harmonics at the harmonic...
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John Mulcahy replied to the thread What is wrong with my computer, sudden change to REW sweeps no headroom, high distortion or is it REW issue?.Try 32%.
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John Mulcahy replied to the thread SPL vs dbFS delta question.The SPL offset is obtained from the SPL calibration of the input and stored in the mdat file. You can see the value in the Info panel.
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John Mulcahy replied to the thread ADHD BRAIN REQUIRES TARGET LEVEL HELP PRETTY PLEASE :).For your single speaker measurements a target of around 74 dB looks reasonable. When you measure L&R together the level goes up by...
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John Mulcahy replied to the thread Subs measuring lower (spl) with CC than mains.If you were measuring both mains (i.e. putting a signal on L+R) then the sub would have got redirected bass from 2 channels rather than one.
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John Mulcahy replied to the thread SPL vs dbFS delta question.SPL has a fixed dB offset from dBFS. REW's trace arithmetic keeps SPL figures correct, multiplying the SPL traces adds their dB values...
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John Mulcahy replied to the thread What is wrong with my computer, sudden change to REW sweeps no headroom, high distortion or is it REW issue?.Most likely the Windows input volume for the UMIK has been set to 100%, boosting the mic level and causing clipping. Lower the Windows...
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.Both issues have been fixed for the next build.
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John Mulcahy replied to the thread REW Beta Release Issues with Scarlett Solo 3rd Gen and REW – No Input Signal Detected.Make sure REW has mic access permission in the Mac's privacy settings.
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John Mulcahy replied to the thread REW SPL meter logging LAeq30min and LCpeak ?.You can open a second instance from a terminal using open -n -a REW.app I'm not sure whether both instances would be able to access...
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.At frequencies that approach half the sample rate there are barely more that 2 samples per cycle, you may not be getting an accurate...
