Rockbox Development > Feature Ideas

AutoEQ preset file support

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coomer101:
The Eros Q family of devices is one of the few (if only) rockbox PMPs that are powerful enough to have several EQ filters while playing high res files.
I've been wondering if there's a way to have rockbox recognize AutoEQ configs?
I've been "translating" them by hand and it works very well, but it's also very tedious.
Been brainstorming ways to maybe have a bash script convert them PC side then moving them to the payer but my sed and awk skills just aren't there sadly.
Anyone else use the parametric EQ? Very underrated feature of rockbox imo

AutoEQ files themselves contain the same info as rockbox equalizer .cfgs, but the formatting and values are different of course.
AutoEQ:

--- Code: ---Preamp: -3.4 dB
Filter 1: ON PK Fc 64 Hz Gain 3.8 dB Q 0.500
Filter 2: ON PK Fc 260 Hz Gain -3.9 dB Q 0.700
Filter 3: ON PK Fc 3000 Hz Gain 2.7 dB Q 0.600
Filter 4: ON PK Fc 3700 Hz Gain -1.0 dB Q 2.000
Filter 5: ON PK Fc 5400 Hz Gain 2.2 dB Q 2.000
Filter 6: ON PK Fc 8500 Hz Gain -1.6 dB Q 1.900
--- End code ---

Rockbox:

--- Code: ---eq enabled: on
eq precut: 34
eq low shelf filter: 60, 5, 0
eq peak filter 1: 64, 5, 38
eq peak filter 2: 260, 7, -39
eq peak filter 3: 3000, 6, 27
eq peak filter 4: 3700, 20, -10
eq peak filter 5: 5400, 20, 22
eq peak filter 6: 8500, 19, -16
eq peak filter 7: 9000, 20, -9
eq peak filter 8: 11000, 20, 11
eq peak filter 8: 15000, 8, 0
eq high shelf filter: 16000, 7, 0

--- End code ---

Rockbox lines are freq in thousands, Q value without a decimal so 5=0.5, 20=2.0 and so on, and then db gain also without decimals, so -3.9db = -39

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