John Mulcahy's latest activity
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John Mulcahy replied to the thread REW can't import the sweep saved from it.Save from the Measurement sweep tab, not Logarithmic. -
John Mulcahy replied to the thread level sweep for THD.For that you can use stepped sine, THD vs level.
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.You could do it with the ASIO drivers using the 2nd output option, though you would need to check that the LFE 10 dB level adjustment...
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.I don't believe that has any effect on the linear PCM audio channels REW uses, it passes through the encoded content.
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John Mulcahy replied to the thread Impulse Response with timing reference different.It's possible the Tascam is the problem, though it might also be a PC configuration issue or some other process taking priority.
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John Mulcahy replied to the thread FSAF (Fast subband adaptive filtering) measurement.That is the TD+N plot.
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John Mulcahy replied to the thread Impulse Response with timing reference different.Pretty strange behaviours from the left speaker measurements, with odd distortion artefacts that may be a result of missing data. Try...
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.The residual is difficult to compress as it has a strong random component. To get around that it is normalised, with the scale factor...
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John Mulcahy replied to the thread Impulse Response with timing reference different.Using the left speaker as the reference? Can you attach an mdat file with some of the measurements, including one of whichever speaker...
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.Builds updated today (beta 64) with these changes: Added: API /measurements endpoints to get the measured or predicted group delay...
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John Mulcahy replied to the thread Impulse Response with timing reference different.What is the timing reference?
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John Mulcahy replied to the thread Thiele-Small Parameters measurement using dual added mass method..It is the calculated power sensitivity, but it is generally better to use the manufacturer's figure.
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.It applies to FSAF measurements. There is a thread about FSAF here.
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John Mulcahy replied to the thread Thiele-Small Parameters measurement using dual added mass method..Dual added mass measurements include a Bℓ curve, it should be close to horizontal around the resonant frequency if the measurements are...
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John Mulcahy replied to the thread REW Beta Release REW API beta releases.That would require storing measurements at 192 PPO, currently REW stores smoothed measurements at 96 PPO.