Wombat wrote: > Don't worry to much about this paper. They proved that by 56% (slightly > better as flipping a coin) on 45.000$ speakers with special treated > silent room using SUB-standard filtering that lowpassed music can be > discerned. > The exact filters used with MatLab were not offered, leave alone the > real music samples. It is known the filters are very steep and they used > a rectangular dither method even the paper writers (Meridian) don't see > as sufficient but use it for the test. > Also i saw no clear description if the difference was found as really > better sounding in any concrete way, only a difference. > They used an ultra hard metal tweeter with their speakers that itself > may cause IM in a way that may sound different lowpassed. No attempt was > made to exclufde that. > So it may just be the "Most comprehensive paper ever published about > metal tweeter IM" > It becomes even more funny when following their conclusion that it must > be the way of the filter acting while they did not try anything to prove > different filters sounding different. They more or less copied their > Meridian marketing speech into the AES paper. > A clever BUY-IN! > Thats how i understand it after reading some discussions and snippets of > the original paper i found online. > > I don't know anything about the signals they talk about. > > There is also a long thread at Hydrogen with lots of info.
Yes research are not incorruptible , that's what peer review are for . Seems like Meridian get tangled in some bias in thier research , the results seems weak ,but they want to believe in it . Especially when there is a bussiness opurtunity at stake . -------------------------------------------------------------------- Main hifi: Touch + CIA PS +MeridianG68J MeridianHD621 MeridianG98DH 2 x MeridianDSP5200 MeridianDSP5200HC 2 xMeridianDSP3100 +Rel Stadium 3 sub. Bedroom/Office: Boom Kitchen: Touch + powered Fostex PM0.4 Misc use: Radio (with battery) iPad1 with iPengHD & SqueezePad (in storage SB3, reciever ,controller ) server HP proliant micro server N36L with ClearOS Linux http://people.xiph.org/~xiphmont/demo/neil-young.html ------------------------------------------------------------------------ Mnyb's Profile: http://forums.slimdevices.com/member.php?userid=4143 View this thread: http://forums.slimdevices.com/showthread.php?t=102934 _______________________________________________ audiophiles mailing list audiophiles@lists.slimdevices.com http://lists.slimdevices.com/mailman/listinfo/audiophiles
