Display Buffer to Text

[orange]

The Gain Reduction graph works in the panel, but I cannot print the Gain Reduction value as text. It always show 0.0

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[ustk]

@orange That's because the magnitude is the max level. Since you are inverting the value in the network (not compressing = 1.0), a gain factor of 1.0 is 0dB.

You need to ask yourself if you want to read the whole buffer magnitude, the RMS or an instantaneous (I should rather say short time) value.

[orange]

@ustk said in From Display Buffer to text:

@orange That's because the magnitude is the max level. Since you are inverting the value in the network (not compressing = 1.0), a gain factor of 1.0 is 0dB.

You need to ask yourself if you want to read the whole buffer magnitude, the RMS or an instantaneous (I should rather say short time) value.

While the graphic shows the long Buffer Length value (65536), yes I want the text to be the short Buffer Length value like 1024.

But as far as I can see, setRingBufferProperties cannot be added to the same Display Buffer with two different Buffer Lengths. It always takes just one value (the latest one).

What should be the solution for this?

[ustk]

@orange the magnitude function can just read a part of the buffer, you don’t need to read it entirely.
But I would create a reference buffer ˋBuffer.referTo()` for the length I need in the timer CB
Both solutions are valid

Also, you might not want the value to erratically change every 30ms so you’ll need a counter, or a second timer just for this

A global cable could do it as well