REW Beta Release REW API beta releases

dcibel · Dec 7, 2024

Just right click on the measurement on the left side and adjust level from there, or from the All SPL tab you can right click and align SPL to being multiple measurements to the same level.

Draki · Dec 8, 2024

dcibel said:
Just right click on the measurement on the left side and adjust level from there, or from the All SPL tab you can right click and align SPL to being multiple measurements to the same level.

Thanks Reid!

John Mulcahy · Dec 8, 2024

Builds updated today (beta 62) with these changes:

Added: Double-clicking a measurement on the All SPL or overlay graph selectors makes it the current selection
Changed: RTA accepts Flac and MP3 files as well as WAV and AIFF
Fixed: STI could generate an exception in locales that do not use dot as decimal delimiter
Fixed: Editing the full scale input voltage, full scale output voltage or ref resistance for a measurement on the Info dialog did not take into account the number format for the locale
Fixed: Multi-input vector averages generated at time of capture without saving inputs to individual measurements did not have distortion data

Breeman · Dec 8, 2024

Hi John,

I would be great to be able to move the position of the pop-up window that comes up when right clicking a measurement either in the All SPL or overlay SPL tabs. I find that it sometimes gets in way when trying see to how measurements align in the lower frequencies while adjusting their levels. Thanks.

Mike0815 · Dec 8, 2024

John Mulcahy said:
Fixed: Multi-input vector averages generated at time of capture without saving inputs to individual measurements did not have distortion data

Hi John,

thanks for fixing this.
Did you also change something related to window positions at multiple screens?
I initially thought this was also fixed because my first "make a measurement" window appeared at my external monitor where also REW main window resides and I was happy. Unfortunately consecutive "make a measurement" windows do appear again at NB screen...

dcibel · Dec 8, 2024

John, Could you fix the text of FSAF notes to just say "None" when no filter is selected.

John Mulcahy · Dec 9, 2024

dcibel said:
Could you fix the text of FSAF notes

Fixed for next build, shouldn't appear when there isn't a filter but the test was checking the HP filter.

John Mulcahy · Dec 9, 2024

Mike0815 said:
Did you also change something related to window positions at multiple screens?

No, that behaviour is within the Java runtime.

John Mulcahy · Dec 9, 2024

Breeman said:
I would be great to be able to move the position of the pop-up window that comes up when right clicking a measurement either in the All SPL or overlay SPL tabs.

Java does not support moving popups, I can only control where they appear. I'll make them appear over the list instead of to the right of the list.

John Mulcahy · Dec 14, 2024

Builds updated today (beta 63) with these changes:

Changed: Measurement list popups appear to the left of the list instead of the right to avoid obscuring the graph
Changed: FSAF file measurement residuals are saved in the mdat file, if that option is selected on the Measure dialog
Changed: When making FSAF measurements with timing markers the silence period after the initial timing marker has been increased by 500 ms
Changed: FSAF uses the sub-band processing algorithms from the V3.1 MatLab upload
Changed: The tooltip for the FSAF residual playback gain control shows the peak level of the residual
Changed: FSAF WAV files for unsaved measurements are deleted when the measurements are removed or REW shuts down
Fixed: FSAF measurement notes included an entry for the LP filter if an HP filter was applied
Fixed: Component equivalent circuit was drawn in black when using dark mode

dcibel · Dec 14, 2024

Excellent changes, thanks so much John!

Is there any method to re-save existing FSAF measurements with the residual file embedded?

John Mulcahy · Dec 14, 2024

dcibel said:
Is there any method to re-save existing FSAF measurements with the residual file embedded?

I can have a look at that.

Cristianolo · Dec 15, 2024

is it possible to add 1/96 smoothing?

HD MOVIE SOURCE · Dec 17, 2024

An update or so ago, "Remove Time Delay" was added to the alignment tool. Does this make the phase traces look as if there was no delay? What I mean is, when clicked, does it show the phase traces as if my left and right sub had perfectly synced impulse responses?

I unchecked it and copied the phase traces of when it was checked. Is this a pseudo way of seeing what 2 subs looks like when perfectly impulse aligned? Just trying to figure out if this is a good way to check if the timing is correct, or start times are the same.

As you can see, at around 15hz the phase traces are directly ontop of each other. I just thought that was interesting when checking this option.

John Mulcahy · Dec 17, 2024

HD MOVIE SOURCE said:
An update or so ago, "Remove Time Delay" was added to the alignment tool. Does this make the phase traces look as if there was no delay?

It removes any time delay in the first measurement and removes the same delay from the second. That keeps their relative timing the same but minimises phase shift from time delay common to both measurements, so it is easier to see the relative behaviour of their phase traces.

John Mulcahy · Dec 17, 2024

Cristianolo said:
is it possible to add 1/96 smoothing?

That would require storing measurements at 192 PPO, currently REW stores smoothed measurements at 96 PPO.

HD MOVIE SOURCE · Dec 17, 2024

John Mulcahy said:
It removes any time delay in the first measurement and removes the same delay from the second. That keeps their relative timing the same but minimises phase shift from time delay common to both measurements, so it is easier to see the relative behaviour of their phase traces.

Thank you.

HD MOVIE SOURCE · Dec 17, 2024

Does this apply to all measurements? From REW and From File?
Does it allow to capture more detail, and better psychoacoustic prediction?

Changed: FSAF uses the sub-band processing algorithms from the V3.1 MatLab upload

Breeman · Dec 17, 2024

Hi John,

Just a thought regarding the "Remove time delay" feature of the alignment tool. There are other scenarios like when measurements are taken in the car or for measurements that have been FIR processed, where relying on an IR start for removing the delay can be unreliable. I think it would be nice to have options similar to those available in Impulse tab, like set t=0 at cursor for an example. I suppose this will entail having an option to display the IR responses, like how is it is done currently when aligning using impulse responses, albeit clickable.

John Mulcahy · Dec 19, 2024

HD MOVIE SOURCE said:
Does this apply to all measurements? From REW and From File?
Does it allow to capture more detail, and better psychoacoustic prediction?

Changed: FSAF uses the sub-band processing algorithms from the V3.1 MatLab upload

It applies to FSAF measurements. There is a thread about FSAF here.

John Mulcahy · Saturday at 2:08 PM

Builds updated today (beta 64) with these changes:

Added: API /measurements endpoints to get the measured or predicted group delay
Added: Distortion graph controls show a button to embed FSAF residual WAV files into measurements for FSAF file measurements with a residual WAV
Added: The STI panel has buttons to increase or decrease signal or noise levels in 1 dB increments
Added: The STI panel has buttons to load signal and noise Leq values from saved one octave RTA measurements
Changed: STI noise and signal levels can be edited by single-click on a cell, tab and shift+tab move between cells
Changed: STI results table shows m values, previously it showed TI values
Fixed: Removing smoothing did not revert to unsmoothed if the Analysis option to allow log spacing was selected

dcibel · Saturday at 6:42 PM

John Mulcahy said:
Added: Distortion graph controls show a button to embed FSAF residual WAV files into measurements for FSAF file measurements with a residual WAV

Thank-you John. You must have employed some useful compression method as well, the resulting MDAT file is less than half the size of the original WAV files.

John Mulcahy · Sunday at 6:15 AM

dcibel said:
You must have employed some useful compression method as well, the resulting MDAT file is less than half the size of the original WAV files.

The residual is difficult to compress as it has a strong random component. To get around that it is normalised, with the scale factor stored internally. The normalised data is stored with 16-bit precision and then compressed, though the compression only gains another 10 - 20% or so, typically. The main gain is from 16-bit storage of the normalised residual data. The data is de-normalised when saved to WAV or sent for playback.

Mike0815 · Sunday at 1:03 PM

Hello,

would it be possible to add sending measurement sweeps at the same time through L+LFE like already possible with L+R via HDMI?
Like an option to measure a channel with same signal also via LFE out maybe?
I like to check some issue with bass management.

danielnilssonse · Monday at 4:18 AM

John, thanks again for your hard work. Question: now with macOS Sequoia HDMI full passthrough (Atmos!) possibilities, do you have any plans to work on REW's ability to measure more than the bed layer?

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