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sm52's latest activity
S
sm52
replied to the thread
FSAF (Fast subband adaptive filtering) measurement
.
I don't remember the mic input scale reading. This is a condenser microphone. It was located at a height slightly higher than the...
Jul 9, 2024
S
sm52
replied to the thread
FSAF (Fast subband adaptive filtering) measurement
.
USB laptop -> external sound card Audient id14 -> its linear output -> amplifier Hegel h90 -> speakers Audiovector qr5 -> microphone...
Jul 9, 2024
S
sm52
replied to the thread
2.1 Focal system, questions about measuring L+R channels together
.
Do this if you want to properly align all your speakers. That is, you need to get separate measurements of the left, right speaker, and...
Jul 9, 2024
S
sm52
replied to the thread
FSAF (Fast subband adaptive filtering) measurement
.
Tikkidy Any music file can be used. Mine has silence at the beginning, so timing the peak of the impulse is not very accurate. As I...
Jul 8, 2024
S
sm52
replied to the thread
First Attempt with REW, I have questions
.
When the mouse pointer is on the SPL graph field, click the right mouse button, and Estimate IR delay, Shift and update timing offset.
Jul 5, 2024
S
sm52
replied to the thread
FSAF (Fast subband adaptive filtering) measurement
.
See measurements in my post 27.
Jul 4, 2024
S
sm52
replied to the thread
REW Beta Release
REW API beta releases
.
That's a lot. What was the level when you measured it?
Jul 3, 2024
S
sm52
replied to the thread
FSAF (Fast subband adaptive filtering) measurement
.
The difference was about 35 dB. I expected a lot less. Another difference is that the LF levels differ less, the HF levels differ more.
Jul 2, 2024
S
sm52
replied to the thread
FSAF (Fast subband adaptive filtering) measurement
.
John, I have one spl graph from a res- file loaded in the distortion window using the 'load FSAF residual' button, and a second spl...
Jul 2, 2024
S
sm52
replied to the thread
FSAF (Fast subband adaptive filtering) measurement
.
Thanks for answers. I have attached the measurements. Why does REW determine the peak time of the impulse of the FSAF measurements...
Jun 29, 2024
S
sm52
replied to the thread
FSAF (Fast subband adaptive filtering) measurement
.
Thank you. I took FSAF, acoustic, and regular sweep measurements. Distortion levels differ by a factor of 10. Sweep shows 0.3%, FSAF...
Jun 28, 2024
S
sm52
replied to the thread
FSAF (Fast subband adaptive filtering) measurement
.
John, hello. Will FSAF work not for acoustic measurement, but for electrical measurement of amplifier distortion?
Jun 28, 2024
S
sm52
replied to the thread
How to extend a target curve in REW?
.
Open your target curve file in Notepad and manually add a few points. You can copy the lines after 18 kHz from my file and replace the...
Jun 26, 2024
S
sm52
reacted to
John Mulcahy's post
in the thread
REW Beta Release
REW API beta releases
with
Like
.
I have added that for the next build.
Jun 26, 2024
S
sm52
replied to the thread
How to extend a target curve in REW?
.
Do you want a curve like this? Level 75 dB.
Jun 26, 2024
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