Recent content by Praba

# File generated by REW V5.20 Beta 60 # Use WASAPI as the PortAudio host API backend. backend = "Windows WASAPI" # Set the output to WASAPI Exclusive Mode. wasapiExclusiveMode = true bufferSizeSamples = 1024 [input] device = "Microphone (Umik-1 Gain: 18dB )" channels = 2 [output] device =...

Here is an example file that you can edit as needed.

Please look at https://github.com/dechamps/FlexASIO/blob/master/CONFIGURATION.md about config file. The FlexASIO.toml in your user folder (as mentioned in the above link) should have channels = 8, in your case, under the [output] section. Please check that. You will also have ensure that the...

Hi Have you tried using FlexASIO instead? https://github.com/dechamps/FlexASIO/releases This has worked for me when ASIO did not. Praba

SPL is averaged over time. Energy Time Curve (ETC) gives information about the energy output at various frequencies over time. ETC and SPL should be correct to give the correct tonal balance. You have three parameters to adjust to get the balance right. Trying to compensate for a wrong value of...

Use only delays you get from measurements. Delays affect phase. So, when you change delays, try flipping the phase to see what works. Now the graphs seem better at the crossover. The spectrogram may be now. You can try equalization after getting the timing and phase set correctly. The plot of...

The delay is with respect to the reference. You said the reference was L in your case. When you turn your Center amp off, it sends the output nevertheless, and all but the LFE component is ignored. The delay indicated therefore is the delay of the output from your subs with respect to the Left...

It looks like you need delays on L,R,C and not on subs

So, invert the FL and FR so that all look good.

Your LFE channel shows a delay of 5.3943 ms (bottom left of your image) with respect to the acoustic reference on L. You seem to have excess delay on the subs. When you change that, aligning each sub, and of the other channels, one by one to the Left channel, you need to recheck your polarity...

How is your REW setup? If you use USB microphone with HDMI, you need to use a timing reference signal. The steps to follow are: Make sure that when you do the sweep, it plays through only one channel at a time (No multi-channel sound) Set your reference, say as the center channel. For each of...

Basically things are all interconnected. Everything affects everything else. Moving the subs by a few inches can make a big difference. Additional delay of 5 ms is same as moving by 1.7 m. The receiver has to make complex calculations for figuring out how to convert the input signals to account...

You cannot assume that your subs are in phase without measurement, just on the basis of the position of the phase switch. The manual says that it has a switchable low pass filter. It is imperative that you switch it off. Multiple filters interfere and create other problems as well. Your receiver...

What is the model of your subs? Are they all the same? The 60 Hz plot shows a wider red region. Your mains do not appear to be producing sufficient output below 70 Hz. Your perception might change when you get all parameters right at 80 Hz. My advice is not to get comfortable at a setting that...

Change the scale on the Y-axis of the spectrogram. This would give you better idea of the spread of the high-energy content by frequency. A delay of less than 20 ms in the lower sub range is not bad. In the sub frequencies, 30 to 40 Hz is the most critical for explosions or gunfire in movies...