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47 Headphones optimized: headphone optimization filters collection (latest update: Sennheiser CX300-II, 19 Oct)

  1. Joe Bloggs Contributor
    "A picture tells a thousand words" is a common saying, but it doesn't seem to apply to headphone audio.  Certainly not if you're talking about frequency response graphs as nobody deems them nearly as useful as a worded review on how the phones actually sound.
     
    Nevertheless, I am curious as to how many words a graph can tell if used to its full extent.  I have been compiling a list of filters that apply EQ according to an approximate inverse of the EQ graphs found on select measurement sites that have diffuse-field compensated measurements (such that an EQed to flat sound according to such graphs should have a close to reference frequency response)
     
    https://www.dropbox.com/sh/vbnj47jcnbgrvkv/GoCSHIuTWm?lst
     
    These EQs are applied using a parametric EQ with up to 24 bands (which can apply more accurate corrections than even a graphic EQ with 31 bands)
     
    There are 3 types of files available here:
    1. Graphs: these show the curve of the EQ that is applied in (2) and (3).
    2. Electri-Q .e-q files:  these can be loaded with the free parametric EQ program Electri-Q (posihfopit edition)
    https://www.dropbox.com/s/51pq0womwrhyers/Electri-Q_%28posihfopit%29_Install.exe
    The link provides a VST plugin, which may be loaded with e.g. foobar2000
    A winamp plugin is also available in the same install.
    3. Impulse response files: these are the same EQ recorded as a 16384-sample impulse response.  These can be used in an impulse convolver (again, such as available on foobar2000).  Notably however, Viper4Android is a program for android phones that can also load these impulse responses:
    forum.xda-developers.com/showthread.php?t=2191223
     
    Currently included earphone models in alphabetical order (will be updated regularly)
    AKG K450
    Apple earbuds
    Audio-Technica ATH-M50
    Audio-Technica ATH-SJ33
    Beats by Dr. Dre Mixr
    Beyerdynamic DT990 Pro 250Ohm
    Brainwavz B2
    Bose IE2
    Etymotic ER-4P (medium insertion depth--not-quite-deep insertion)
    Hifiman RE-400
    JVC FX3X
    JVC FXT90
    Klipsch S4
    Koss Portapro
    Monoprice 8320
    Philips SHE3580/3590/3595/3500
    Panasonic RP-HJE120
    Pioneer HDJ500
    Sennheiser CX300-II
    Sennheiser HD25-1-II
    Sennheiser HD439
    Sennheiser HD518
    Sennheiser IE80
    Sennheiser MX360
    Sennheiser MX580
    Sennheiser PX100-I
    Sennheiser PX100-II
    Shure SE215
    Shure SE425
    Shure SE535
    Skullcandy 50/50
    Sony MDR-1R
    Sony MDR-1RNC (noise cancellation mode on)
    Sony MDR-E9LP
    Sony MDR-EX10LP
    Sony MH1(C)
    Sony XB90EX (with two presets, "bassy" has a subbass boost (relative to reference) while "maxxbass" has both subbass and midbass boost (relative to reference)
    Sony XBA-1
    TDK BA200
    V-Moda M-100
    Vsonic GR07MkII
    Ultimate Ears TF10
    Ultimate Ears UE100
    Ultimate Ears UE200
    Ultimate Ears UE900
    Westone 3
     
    Latest addition: Sennheiser CX300-II (19 Oct)
    You may leave requests for your model of earphones to be added to the collection [​IMG] Please check for the availability of frequency response curves on at least one of the following websites:
    en.goldenears.net
    www.innerfidelity.com
    rinchoi.blogspot.com
    www.headphone.com

    When requesting, please leave some comment on your opinion of the stock sound of the earphones without effects running, so I can fine tune the EQ/IRS to your taste. (the EQ/IRS will always adjust towards reference sound so is suitable for everyone with the model of earphone but will be a bit fine tuned to the taste of the one who first requests them) Opinions on the frequency balance (e.g. too midbassy? Too cold (sucked out lower mids) / warm (opposite)? Treble too sharp?) will be particularly helpful.
    Finally, a link to the original XDA-developers thread, with users' positive feedback on the headphone optimization filters [​IMG]
    http://forum.xda-developers.com/showthread.php?t=2372750
     
  2. Joe Bloggs Contributor
  3. Joe Bloggs Contributor
  4. Joe Bloggs Contributor
    I have been compiling a list of filters that apply EQ according to an approximate inverse of the EQ graphs found on select measurement sites that have diffuse-field compensated measurements (such that an EQed to flat sound according to such graphs should have a close to reference frequency response)...
     
    (reserved)
     
  5. kombucha
    Thanks for this, will test out the V-Moda M-100s and let you know how it goes.
     
  6. mochill
    Any filters for gr07x,cardas em5813,cardas a8,shozy stardust and cygnus, cozoy hera, shozy zero,VE duke,dn2kj
     

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