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New Fiio App 1.1.8

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Post time 2020-1-12 04:47:27 |Show all posts |
I just installed the new Fiio application version 1.1.8 (no 1.1.7 as the description says http://www.fiio.me/forum.php?mod ... ighlight=fiio%2Bapp), when activating the EQ considerably decreases the master volume, I hope that in the next update they can repair this problem. I have this problem on a Fiio X5III.

Thank you

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Post time 2020-1-15 17:14:28 |Show all posts |
The equalizer is implemented in the digital processing stage, and includes a filter stage and a digital gain stage.  Volume is controlled after digital-analog conversion.  The equalizer filter can effect a maximum increase of 6dB in a frequency band;  if this is done without lowering the digital gain, it could cause the digital signal to clip at 0dBFS and cause audible distortion.  Lowering the analog volume afterwards has no effect on the distortion.  Thus to preserve signal integrity, a digital gain of -6dB is added when equalizer settings are enabled to avoid clipping.  This does not affect audio quality except in so far as you need to turn up the volume afterwards.

We will still report your feedback to the engineer.

Best regards
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Post time 2020-1-16 08:42:44 |Show all posts |
The big problem is that as the equalization changes, the master volume changes a lot, there is no clarity on how to perceive the equalization changes.
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Post time 2020-1-16 18:36:45 |Show all posts |
FiiO replied at 2020-1-15 17:14
The equalizer is implemented in the digital processing stage, and includes a filter stage and a digi ...

Is this right for a FiiO M9? Does this mean that the equalizer is the same for all apps in the system (including Tidal on FiiO M9?
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