John Mulcahy's latest activity
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John Mulcahy replied to the thread bug: minimum phase version when exported is ~ 3dB lower than its non minimum phase.I have fixed that for the next build, in the meantime you can scale the IR data on the Impulse graph by 3.01 dB before export. -
John Mulcahy replied to the thread measurements of the same source from different positions.RMS averaging or moving mic method probably best for that.
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John Mulcahy replied to the thread measurements of the same source from different positions.Use cross correlation alignment and vector averaging if you need to with with an impulse response, for EQ RMS or dB averages are often...
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John Mulcahy replied to the thread Really newbie question about the estimated time delay.The alignment tool impulse alignment mode uses zero phase 1/3 octave filters. The Filtered IR graph is primarily aimed at examination of...
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John Mulcahy replied to the thread Weird time domain issues with measurements.That's because the imported impulse responses only have that much data, typical of Audyssey imports. For longer responses measure with REW.
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.That's outside the scope of REW. Low level access to interfaces is handled by code the Java runtime loads, it is possible to substitute...
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John Mulcahy replied to the thread Really newbie question about the estimated time delay.
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.I don't know what Q configuration Trinnov uses, you can find out by measuring the filter shapes it produces with different settings on a...
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John Mulcahy replied to the thread Really newbie question about the estimated time delay.Estimate IR delay uses cross-correlation with a minimum phase version of the response, it isn't suitable for alignment though. For that...
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.There's an option to append the level to the measurement name on the Measure dialog.
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John Mulcahy replied to the thread Multi input SPL meter.Not currently, but there are 4 SPL meters that can be displayed for the first 4 inputs. The SPL logger is only for the first input.
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John Mulcahy replied to the thread UI Issue(s): Beta V5.40 Beta 132 "All SPL" windowing reordering issue.Works OK for me. By default it will try to move all the current selections, to move an individual measurement left click and hold until...
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John Mulcahy replied to the thread Getting more that 1Vrms out of my sound card.REW doesn't try to control the input or output volume on Mac. It generates data at the requested dBFS level and sends that data to the...
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.I'm not really following that, where would the "current filters" come from? You can make REW use specific filter positions by disabling...
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John Mulcahy replied to the thread SPL Range and SQ help.A more sensible SPL span would be around 60 dB, at the moment you have a span of about 160 dB. You can use the Limits button top right...
