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Pulseaudio in Hardy should do this already.
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Surprisingly, on my Hardy install i've got Alsa, and nothing at all about Pulseaudio.
So, no equalizer yet.
While Pulseaudio don't fix it, I consider the Global Equalizer as a very good idea, needed to be in pole positions.
Or may we replace "should" by "does".
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I am not voting. It seems to me that a good equalizer is a specialty tool. There should be an app that can provide good equalizer functionality, but that the default sound management should be extremely simple.
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stdt
wrote on the 7 Mar 08 at 14:47
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I think the important point is 1 for whole system, actualy you have different equalizer for amarok, VLC and I haven't found it in flashplugin.
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I thought PulseAudio was able to do this, but I haven't found it anywhere.
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martje
wrote on the 16 Mar 08 at 10:30
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FuterePilot: Yes, I thought too, but I can't find it either.
I hope this feature makes it really soon, because my bass is way to hard!
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guisar
wrote on the 16 Mar 08 at 23:33
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I think just a general purpose, multi-stage architecture by which any sound headed for the DSP device could be modified. I'm thinking a parametric equalizer, time delay, a crossover and Digital Room Correction (DRC) are all good candidates. Would be a great addition for car pcs as well.
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Make it enable to 'normal' and users who don't care won't use it, no loss. But many users on linux are audiophiles, so adding it would really e a leg-up on windows and the like - I'd love to see a unified Pusle equalizer with lots of options (as long as it worked!). Guisar's ideas are awesome - and frankly shouldn't be that hard to do - there are utilities out there for all systems, including Pulse, why not integrate one into the Ubuntu desktop?
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I understand the argument of not adding it because 'normal' users would never use it, it would take up space and cpu cycles. so having it pre-installed could be bad. however, one could make it a module for later installation.
Then we can think of all the possibilities of the thing. One equalizer to rule them all, that just sounds awesome.
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Maybe this problem isn't noticed by people who run their sound through speakers with eq knobs. I use headphones at work and when working on my laptop and it would be wonderful to be able to turn down the bass a bit.
I don't need/want anything massively complicated - a little GUI 3-band eq built into the volume control window would suit me just fine!
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fanch
wrote on the 3 Apr 08 at 07:55
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Adding an equalizer is a great idea (really need !).
It can be also interesting (and not very difficult) to add preselected parameters ("rock", "jazz", etc.) and also some signal enhancement like noise suppression.
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jjean
wrote on the 19 Apr 08 at 18:26
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A simple to use equalizer (say 10 bands with less than 10 preset parameters and say 3 additional saved settings) that would be linked to the sound task bar function is a great idea.
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I think it would be best if you can actually adjust the number of bands to suit your needs. Some people (like andybuckley) would be content with one, others, like me, would love to have more.
But the most important thing is that we have one :)
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both my sound devices- an audigy 2ZS platinum pro, as well as a lowly realtek , both have equalizers. its not about applying EQ for music alone. Most 2.1 speakers have a relatively weak mid range, and need an eq to boost this band. Dooing this seperately for each app is annoying , and some dont have eq's at all.
A global eq would be just the thing
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I thought Hardy should include one via PulseAudio? What happened to this? I'm not seeing a thing, which is quite a pitty.
A system-wide equalizer would be *the* tool.
E.g. I like MOCP (it's what runs best on my Thinkpad 600e), but it seems that that project is dead (well -- paused) but really could need an EQ, also rhythmbox among others.
So why on earth do they always re-invent the wheel? Just make *one* EQ and everybody is happy. Then you could remove all those EQs in any other application like Amarok.
BTW: I reject the thought, that the normal-user would not use it. He won't use it by himself -- yes -- but (since Gnu/Linux is not Windows, where all power-tools are hidden or non-existent) show him how an EQ improves your music-experience and he'll be hooked.
Also, I could imagine a dialog box while installing Ubuntu asking what music the user like, and based on that, a predefined EQ is chosen.
Furthermore, the EQ should be simply reachable, so that every user must stumble over it.
And finally: If it added some nice effects like SRS Audio Sandbox, it would even be better ;)
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I think it's a good idea. Because my laptop speaker sounds terrible ... and I'd like to add some bass effect as I already do on Windows ;)
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psyke83
wrote on the 12 May 08 at 01:04
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I have completed a guide that enables LADSPA audio processing to PulseAudio output. My guide has a sample configuration that uses an EQ filter which can help a lot with poor laptop speakers. The important thing is that it's just a sample configuration - you can use *any* LADSPA plugin you desire!
See my HOWTO here:
http://ubuntuforums.org/showthread.php?p=4928900
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vprasaj
wrote on the 17 May 08 at 12:20
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Yes, with gui would be nice.
One like eq-xmms is my wish.
Option for 31 band. :)
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JeffB
wrote on the 25 Aug 08 at 23:55
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I would also like an equalizer preferably with many bands like 31 or a configurable number of bands. Parametric control would also be sweet.
I have been experimenting with building open baffle speakers(
speakers on a board, no box).
I have learned that almost all speakers drivers have strange response peaks and additionally, baffle interactions cause other response problems. These response anamolies are normally handled by a passive crossover. There is great potential for better sound with a good active equalizer and active amplification, thus eliminating the passive crossover.
I would also like a built in Spectrum Analyzer. Ideally you want to equalize for a flat response, but without the spectrum analyzer you are kind of flying blind.
I have tried to find software that will do this already, and I just can't seem to find what I need on Linux.
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JeffB
wrote on the 26 Aug 08 at 00:20
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The extra bands are necessary because the response anamolies cover a small area. With just a few EQ settings the area is often missed completely.
I have seen a few smaller banded equalizers for Linux. It seems like it wouldn't add any difficulty to add more bands, just more CPU usage.
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r0g
wrote on the 12 Sep 08 at 03:31
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Yes, much needed - my speakers suck!
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KongK
wrote on the 26 Oct 08 at 20:45
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With my sucky laptop speakers this would be great.
And I'd really love to se an option to automatically change between specified presets when you plug in and out headphones.
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DanielV
wrote on the 21 May 09 at 13:32
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I have a Logitech Z2300 and even with the subwoofer volume minimized I still think the bass is too hard when playing normal music. So I would very much appreciate a system-wide equalizer!
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Pulseaudio is multiband equalizer but it does gives me good sound quality :(. There is a crackling noise when moving the lsider up and down during playback. Also there is no punch in audio. very much disappointed. Now i turned off pulseaudio.
Need a simple but and good global equalizer...
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Blueprint equalizer-for-sound-out:
