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Distortion with JRiver Equalizer [Solved]

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Mike48:
Glad I could help; and thanks for letting everyone know it's solved.

RD James:

--- Quote from: Matt on February 24, 2019, 09:12:14 pm ---You could just reduce the volume a little with the DSP then apply your equalizer.

--- End quote ---
Shouldn't the equalizer only be applying negative adjustments, no matter what the GUI says?
If I boost 1kHz by 12dB, it should really be applying -12dB to all other frequencies instead of actually increasing 1kHz by 12dB, since that is likely to distort.

mwillems:

--- Quote from: RD James on February 26, 2019, 03:16:06 am ---Shouldn't the equalizer only be applying negative adjustments, no matter what the GUI says?
If I boost 1kHz by 12dB, it should really be applying -12dB to all other frequencies instead of actually increasing 1kHz by 12dB, since that is likely to distort.

--- End quote ---

That behavior would only make sense if you're playing at or near maximum volume, otherwise MC would just be throwing overhead/dynamic range away for no benefit in ways that would not be apparent to users trying to calibrate their volume levels (adding general boost in PEQ to a channel to level match it with other channels would have no effect!).  It would also need to sum all the various effects and predict what intersample peaks in overlapping ranges might look like, because none of the equalizers operate only on their setpoint frequencies.  In effect, this is what clip protection already does in real time; tries to detect and correct for overages as they happen based on actual output, but otherwise leaves things alone.

It might make sense to do what you're describing in the graphic equalizer if for no other reason it could be easily shown to the user (i.e. the preamp slider would start descending as the user raised sliders).  In the general case, though, I think it's better for the DSP (at least in the parametric EQ) to do what it says on the tin, rather than implementing secret workarounds that are likely to have unintended consequences

RD James:

--- Quote from: mwillems on February 26, 2019, 06:53:54 pm ---That behavior would only make sense if you're playing at or near maximum volume, otherwise MC would just be throwing overhead/dynamic range away for no benefit in ways that would not be apparent to users trying to calibrate their volume levels (adding general boost in PEQ to a channel to level match it with other channels would have no effect!).  It would also need to sum all the various effects and predict what intersample peaks in overlapping ranges might look like, because none of the equalizers operate only on their setpoint frequencies.  In effect, this is what clip protection already does in real time; tries to detect and correct for overages as they happen based on actual output, but otherwise leaves things alone.

It might make sense to do what you're describing in the graphic equalizer if for no other reason it could be easily shown to the user (i.e. the preamp slider would start descending as the user raised sliders).  In the general case, though, I think it's better for the DSP (at least in the parametric EQ) to do what it says on the tin, rather than implementing secret workarounds that are likely to have unintended consequences

--- End quote ---
Most EQs work like this. You aren't throwing away dynamic range by creating an EQ that automatically normalizes itself so that it cannot clip.
Perhaps there could be some interaction with MC's internal volume if it is being used however.

DKeith22:

--- Quote from: Josz27 on February 25, 2019, 06:58:26 pm ---Damm man, I was blind to not see "pre-amp" there, Sorry LOL.  Now it does not distort(yeah tested the song before with Foobar and EQ and it was not the song problem), I have been using the JRiver EQ for a lot of time, but I did not know about this. Thank you very much, SOLVED

--- End quote ---
Me too.  I saw the preamp but did not realize that was the solution. Glad to verify it through this chat! Also, glad you verified the preamp actually solved this issue after adjustment.

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