Audio Equalizer for/in XBMC

January 7th, 2009   Filed Under naaktbelgisch.com   edit

  • i did a search adn only found people requesting an equalizer but no posts saying weather there was one or how to use it if there was.

    and even if there was only a way to set it up in the xml that would be fine with me.

    thanks in advance.


  • personally, i subscribe to the idea of not fiddling with the signals. no tone adjustment, no equilization. imho your better off buying or building your own speakers to get proper quality audio than trying to fiddle around with some dinky adjuster that will never mask problems with poor quality gear anyway.

    if your at the point of having real time measurements of the audio spectrum in your living room while playing pink noise you can certainly afford to buy one of the real equilizars sold in ht shops.


  • why? there's no particular need for it - just have the volume down lower.

    if you really want to set it, look in settings.xml (in e:\tdata\0face008). values are 0 (default), 6 and 12.


  • that may be, but all of us don't have the bucks to buy the audio hardware of our dreams. it would be totally amazing to have even simple bass/treble controls. of course, i don't know how to do it, unfortunately. ???


  • would be great to be able to shape the output frequencies/gain..maybe some presets?
    rock..action..classical..techno..i know this is left for post output ..amplifiers ,home theatre systems and the like but many poor smucks only have basic tonal controls..bass mid treble
    why spend so much time on tweekin cosmetics..if you have the power to code ..functionality!!... imho

    would look awesome too :nod:


  • why? *there's no particular need for it - just have the volume down lower.

    if you really want to set it, look in settings.xml (in e:\tdata\0face008). *values are 0 (default), 6 and 12.
    in settings.xml i change this:


    * *0


    to:


    * *12


    but no change effects in volume level as in old version, and when i restart the xbox this settings in this file back to default, 0.

    is any option to set this option manual in any file?

    the best is come back this option to the menu configuration -> system -> audio hardware -> overall audio headroom.

    is realy important to me and it does not give work because this option existed in previous versions.


  • i second the request for an equalizer. it would truely make xbmc complete and is one of the few things missing imho.


  • i have been wanting this feature for so long! i think it would really enhance the experience. i am currently working on getting a touch screen vga monitor fabricated into my dash for use with an xbox in my ford focus. i think this would be great for xbmc use in general and anyone who is really into music quality and whatnot. even for that little extra bass, but perfect for in car use! :cool:


  • drats, thanks though


  • This has been pondered over for quite some time and the xbox just doesnt have the hardware capability that an EQ would make adequate use of. It would be overkill.


  • the average joe, the everyday user has a medicore sound setup, because its adequate for them, they are happy.

    an eq for the vast majority of people, (none audiophiles) would be a great addition, and improve things further more, its something that would be used by the majoriy of people.

    my point is, sure an hardware eq and a brilliant setup would be amazing and a software/emulated eq/audio-functions are far from being as good, but for your everyday person, they are good enough.


  • an equilizer ( for sound output )

    or maybe a sound setup. ( you get to choose if you're using headphones or 5.1 stereosetup ( or 2 speakers).

    a funny thing; maybe have a setup to "movie, musicvideo, dancehall, underwater et.c."

    i thought it seen it somewhere before but i can't find it on the current xbmc.


  • i would like it if xbmc had a build-in equalizer for music playback.


  • what happened with this?
    http://www.xboxmediaplayer.de/cgi-bin....;hl=dsp (http://www.xboxmediaplayer.de/cgi-bin/forums/ikonboard.pl?act=st;f=5;t=1102;hl=dsp)


  • actually when you have all speakers on, it does stereo->dd5.1. if your receviver downmix correctly with 2.1 speaker setup, it would be dd2.1

    but i do not see much value for music play with dd2.1 as it is compressing pcm to dd then decode is a losy process.

    your main channel quality will degrade.


  • Hello !

    I find a good idea is to integrate a EQ in the MP3 Player of the XBMC Software. I use here a Microsoft Soundsystem in my Computerroom attached to the Xbox and the sound is not so high. What i miss is a integratet EQ in the MP3 Player for my XBox, a good idea ?


  • the retail markup on drivers is insane. have a look at the diy speaker scene on google. it is possible to build enclosures with good quality drivers for far less than what you may think. there is some science to the design but its not too over the top and there are some predesigned kits requiring only basic assembly that are pretty cheap, but good too.

    when audio is produced the sound engineer has reference drivers costing hundreds of thousands with all sorts of equilization and other studio effects to get the sound how the artist intended it. in my view, all thats needed to reproduce the original intent of the engineer is not to colour the sound with anything else but to reproduce it accurately.

    acoustically the sound will be effected by the room and some people use equilizers for that, but to do it right you need a real time sound spectrum analysis tool and as i said when your at that point, youve spent so much money that a pro grade equilizer isnt a problem to afford.


  • genesis, do u use optical/coax or analog rca plugs for audio?

    Analog!


  • hello,

    no news about this ?
    http://sourceforge.net/tracker....=581841 (http://sourceforge.net/tracker/index.php?func=detail&aid=817683&group_id=87054&atid=581841)

    thanks

    modhack


  • good question... sadly i dont know, maybe, just maybe one of our devs is looking into it, but i'll let him tell about it, if thats the case


  • actually when you have all speakers on, it does stereo->dd5.1. if your receviver downmix correctly with 2.1 speaker setup, it would be dd2.1

    but i do not see much value for music play with dd2.1 as it is compressing pcm to dd then decode is a losy process.

    your main channel quality will degrade.
    @monkeyhappy

    you're absolutely right. "output stereo to all speakers" does exactly what i want. i'm pretty sure i tried it with an earlier build and i didn't think it was doing what i wanted, but it sure works now.

    thanks!


  • in my opinion, this is the one single feature that would make xbmc the best for me. i don't like having to listen to music in games without an equalizer.

    is there any hope of integrating an equalizer into xbmc, maybe with the same kind of presets as winamp?


  • ditto


  • i seconds caldor's opinion.

    whatever it is that would be implemented in xbmc would never truely compensate for having bad audio setup.
    on the other hand, it definitely has the potential of screwing up certain aspects of the audio output which we currently enjoy.

    my 2c.


  • just thought i'd add my request for an equalizer as well. my amplifier doesn't have an equalizer so i have no tweaking ability. if an equalizer were to be added, it'd be great if you could have presets for each genre (read tags, apply equalizer settings based on genre tag). just a hope. :)


  • for audio files, use replaygain, which xbmc takes advantage of.

    for video files, you are out of luck.


  • one thing i would like is a way to take a stereo music file and output it as dd2.1, that is play the stereo left and right as normal through front left and front right, but also synthesize an lfe channel (maybe with adjustable crossover). the reason why is my surround receiver has several subwoofer options. the normal one is "on" which you use for dd5.1/dts movies, which have dedicated lfe channels. however, there's also a "plus" mode where it uses the subwoofer for non-dd/dts material. music sounds great in plus mode but movies/tv sound terrible (much too boomy/muddy). changing between on/plus is a real pain in the ass, requiring like 20 button presses on the remote. so every time i want to switch between music and movies, it's an ordeal. if i could just leave it in surround/subwoofer "on" all the time that would be swell :)


  • yea ! a equalizer is one i missed in xbmc !
    itz the only one feature i missed in xbmc !


  • people code what they know, thats what makes open source so powerful. if you know of a directsound coder who knows xbox audio hardware inside and out feel free to invite them to code for the project


  • include a graphical equalizer for audio and audio streams. i can't get some live recordings to sound right on my xbox without it.


  • you're welcome to develop one ofcourse, noone is stopping you

    best of luck

    oh and if you think this is a good way to coax someone else to do it for ya, think again


  • equilizer would definitely be nice i agree,
    i would also like to see a volume levelizer of some sort. i.e. a preset volume adjustment level so all files sound about the same overall. sometimes videos i have will have a very low volume level and i crank up the stereo, and others i gotta really turn it down because the audio in the file blasts. something that will sample a user preset number of points at equal intervals (maybe leave the default at 12 or 15 times? more samples are slower and more accurate and less is quicker type thing), average the sound level of output and change the db amplification of the audio based on the resulting number. this way were not getting blasted at times when switching from a generally low volume clip to a generally high volume clip.

    on the same topic of volume i liked adjusting volume in percentage better than by db personally.


  • genesis, do u use optical/coax or analog rca plugs for audio?


  • no :( no equalizer in xbmc yet...


  • good question... sadly i dont know, maybe, just maybe one of our devs is looking into it, but i'll let him tell about it, if thats the case
    pike, found out anything if someone was looking into this on a low profile? :oops:


  • in the menu:

    configuration -> system -> audio hardware

    where the option "overall audio headroom"? it disappeared after the version of the day 18-01-2006 why?

    my amplifier doesn't have an equalizer and now i can't adjust the volume level, now the default is to high and i can't turn down this *:sniffle:

    please turn back the option "overall audio headroom" and the equalizer, is only this two feature i missed in xbmc.

    please make me happy *:bowdown:


  • It would be cool to have an equalizer for audio to use in xbmc to make it sound just right through my home theatre system that doesnt have an equalizer







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