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pulseaudio-equalizer-ladspa / equalizer

Pulseaudio LADSPA Equalizer
GNU General Public License v3.0
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Distorted sound with presets #34

Open brandsimon opened 5 years ago

brandsimon commented 5 years ago

Hi,

when I use presets I have distorted sound, because the gain is to high. For example the preset Big Bass Boost increases the 50Hz 15db.

I solved the issue for me to just decrease every frequency 15db for this preset. If this would be a preferred solution and get merged, I would change all presets.

Thank you really much for this great tool. I have a Bose quiet comfort 35 and the preset really solves the bass problem for me and produces a great sound! :-)

FFY00 commented 5 years ago

Different speakers can handle different amounts of bass. Most speakers tend to distort particularly at the very low frequencies. Try using the Bass Boost profile as it aims to solve this issue. I could decrease the amplification on the Big Bass Boost profile but I would just end up with something very close to the Bass Boost one. Bass Boost is intended for most speakers and Big Bass Boost for the ones that can drive the lower frequencies.

The goal here is to have a set of general presets, the user would then adapt them to their hardware.

brandsimon commented 5 years ago

The distorted sound is also on low volume. (Not sure if this makes a difference) My assumption is: If I have a preset which is -15 db at every frequency, I have the same modification, but a lower volume (but there is no distortion for sure). Is this wrong? I'd rather increase the volume than having probably distorted sound.

somewhatfrog commented 3 years ago

Hey, I have the same issue, I also noticed that with a "flat" preset (basically the default one) this EQ adds about 2db of gain to the output. So I did my own presets taking this in count and instead of rising db's on the frequencies I need to be "louder" I turn down all the others. i.e. Let's say I need 622hz band to be +2 db, that means I will set it to -2db and all other bands to -4db. Hope that helps.

somewhatfrog commented 3 years ago

Okay, I also have clicks and crackling when I am using it, I think this might be the issue: ladspa_output.mbeq_1197.mbeq module-ladspa-sink.c float32le 2ch 48000Hz RUNNING

It runs as float32le, but my audio interface is s16le, where this setting in equalizer can be changed?