John Mulcahy's latest activity
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John Mulcahy replied to the thread Create and export Room Response.The room response is the impulse response, you can export it as a WAV file. -
John Mulcahy replied to the thread Measuring Bluetooth delay.You would need to provide a loopback timing reference channel to allow the delay to be measured.
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John Mulcahy replied to the thread Newbie question - REW and Umik-1 problem.REW may not be able to identify the mic as UMM-6 depending on how FlexASIO has handled the naming. Try the Java WASAPI Exclusive drivers...
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John Mulcahy replied to the thread Is it possible to display total RMS of a measurement?.You will see a 3 dB difference in the dBFS values depending on the setting of the View preference "Full scale sine rms is 0 dBFS". REW...
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John Mulcahy replied to the thread FSAF (Fast subband adaptive filtering) measurement.I should have checked my code before replying, the first two seconds of the mic wav file is the silence capture. The exc, res and lti...
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John Mulcahy replied to the thread REW won't install on MacOS Ventura 13.7.1 M1 Max Macbook Pro.Someone had a problem running the installer a few years back that related to the display colour profile, perhaps the HDR setting reset...
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John Mulcahy replied to the thread FSAF (Fast subband adaptive filtering) measurement.The residual is aligned so that the stimulus, capture and residual can be compared at the same timestamps, putting extra content ahead...
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John Mulcahy replied to the thread REW won't install on MacOS Ventura 13.7.1 M1 Max Macbook Pro.Which version are you trying to install? Getting debug is a bit more complicated on macOS. In Applications/Utilities open the Terminal...
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John Mulcahy replied to the thread Measuring capacitors and inductivities not related to speakers.Sure, same as any other impedance measurement. REW can fit a component model to the measurements after you have made them.
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John Mulcahy replied to the thread Requesting Information on How to Use REW Measurements to Determine if My Room Requires Acoustic Treatments.The RT60 graph can help show frequency bands where the decay times are long and may benefit from treatment. For advice on which...
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John Mulcahy replied to the thread FSAF (Fast subband adaptive filtering) measurement.They are his notes for his example, they are correct. No.
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.No, it isn't possible for REW to do that. You could experiment with the effect of varying the right hand window on the Impulse graph...
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John Mulcahy replied to the thread HDMI Problem sync time.You can use the "Play dither before sweep" and "Fill silence with dither" options on the Measure dialog to see if that gets measurements...
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John Mulcahy replied to the thread Problem with high (jumping) input level when Calibrating sound card with Focusrite Scarlett 18i8.Monitoring is probably active, so the input is getting mixed back to the output creating a feedback loop. Need to ensure there's no...
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John Mulcahy replied to the thread rew spl level low error.Attach a measurement mdat file.