FusionDsp : the complete Dsp center for Volumio3!

[balbuze]

@backenst

Fusion DSP Auto Pre-Amp Setting?

Can anyone explain what this setting is actually doing? I believe it is on by default. When I turned it off, I felt like the loudness went up substantially at all frequencies. It mentions clipping but I am curious to understand what is actually happening. Is this a safety feature to protect your speakers? Thanks [Screenshot 2023-05-30 124350]

please see

FusionDsp : the complete Dsp center for Volumio3!

hello, There is no problem and nothing to fix… let me explain… A max level in digital domain is 0dB When you set a positive value in the EQ (ex 3dB) for a frequency, it means increase the signal here. As it is not possible to go above 0dB, to get the same relative effect, everything is set 3dB lower exept the frequency you choose. If you don’t do that, signal will be clipped! With a very bad sound. FusionDsp auto adjust this level by default according to EQ settings. You can disable this in …

and of course online help in FusionDsp : https://docs.google.com/document/d/e/2PACX-1vRhU4i830YaaUlB6-FiDAdvl69T3Iej_9oSbNTeSpiW0DlsyuTLSv5IsVSYMmkwbFvNbdAT0Tj6Yjjh/pub#h.254k4195q0t3