On Wed, Feb 13, 2008 at 12:16:30AM +0100, Julien Pommier wrote: >> >> There seems to be some 10 KHz signal, but it's like -75 dB. I doubt >> you >> can hear that, since the rest seems to be around -10 dB. I can't hear >> it. >> > > You are right I just checked with different headphones, and I don't hear > it with those -- only my sony mdr-7506 do reproduce the artefact, and > trust me, with them it does not sound like a -60dB noise ! (those > headphones are very very sensitive to high frequencies) > > For people who may want to check if they hear the difference, I have put > two wav files here > http://gruntthepeon.free.fr/test/m.wav > and > http://gruntthepeon.free.fr/test/m2.wav
I've also substracted those 2 files from each other and put the result at: http://www.roeckx.be/test-diff.flac It has a peak amplitude of -56.7 dB. You really have to turn up the volume to hear the peaks around 300 Hzi, 600 Hz and 10 KHz which are around -65 - -70 dB. With some luck you should hear those very good in your headphones. Kurt -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
