John Mulcahy's latest activity
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John Mulcahy replied to the thread Use of generator pre-distortion in REW.The limitation would be the transparency of the "clean acoustic source", since its distortion would end up being applied in opposite... -
John Mulcahy replied to the thread Use of generator pre-distortion in REW.A typical use would be electronic measurements of distortion at a frequency, first measuring with a loopback then inserting the device...
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John Mulcahy replied to the thread Use of generator pre-distortion in REW.Changes apply immediately, there's no need to turn anything off. Follow the help: The harmonics dialog can be used to produce a...
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John Mulcahy replied to the thread Use of generator pre-distortion in REW.Just click the Set from RTA button, nothing else required.
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.There is a "spansCombinedRange" parameter that can be supplied in the API, I'll add it to the documentation.
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.That's because measurements can take a long time to complete, too long for any reasonable timeout to wait. A measure command can also...
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John Mulcahy replied to the thread Can i run 2 SPL meters?.Probably this: V5.40 beta 127 7th June 2026 Added: The SPL meter can show SPL, Leq and SEL at the same time with independent weighting...
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.Builds updated today (beta 135) with these changes: Added: API MeasurementSummary object has containingFileName, containingFilePath and...
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.I can increase the range in the next build.
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John Mulcahy replied to the thread FSAF (Fast subband adaptive filtering) measurement.Changing the tweeter delay does not change non-linear distortion, it changes the linear response at the measurement point from the sum...
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.The spectrogram for an FSAF measurement shows the linear response, as it does for sweep measurements. The residual is a separate signal...
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John Mulcahy replied to the thread FSAF (Fast subband adaptive filtering) measurement.You can't, at least not in REW. The audio import is a way to load an audio segment and look at its frequency content, e.g. via the...
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John Mulcahy replied to the thread REW + UM-ONE mk2 + Behringer FBQ2496, no go.No, each port found is listed individually.
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John Mulcahy replied to the thread REW + UM-ONE mk2 + Behringer FBQ2496, no go.I don't have a Midi interface these days, but on my Win11 PC enabling Midi shows the midi port of one of the DACs I have connected as an...
