doctor_big wrote: > Well, isn't this -exciting!- > > Jason As Arny is always citing "evidence for your claim" let me link to the post & ABX log of which I speak?
Arny posted his ABX results here without a mention that he was randomly guessing http://www.avsforum.com/forum/91-audio-theory-setup-chat/1835641-mpa-vs-flac-2.html#post30564017 > The comparison was of a 24/192 file titled "15 Haydn_ String Quartet In > D, Op_ 76, No_ 5 - Finale" to a 256 kbps MP3 based on it prepared using > Lame. This file happens to be exact same one that was recently the star > of an AES paper that Amir has been heaping praise onto. > > The playback DAC+ headphone amp was an Asus U7 which is capable of > handling 192 KHz sample rate files with good performance. > > The playback transducers were the highly regarded Audio Technica ATH-M50 > headphones. > > The ABX log is as follows: > > foo_abx 2.0 beta 4 report > foobar2000 v1.3.5 > 2015-01-06 21:04:53 > > File A: 15 Haydn_ String Quartet In D, Op_ 76, No_ 5 - Finale - Presto + > cues 256kbps.mp3 > SHA1: f24d8c506ae5d38fd7d3a8e7700ee8595cd5e025 > File B: 15 Haydn_ String Quartet In D, Op_ 76, No_ 5 - Finale - Presto + > cues.wav > SHA1: 961320fa0baa1983130304bed02df943a32cfe25 > > Output: > DS : Primary Sound Driver > > 21:04:53 : Test started. > 21:05:18 : 00/01 > 21:05:39 : 01/02 > 21:06:39 : 02/03 > 21:06:45 : 03/04 > 21:06:47 : 04/05 > 21:06:50 : 04/06 > 21:06:54 : 04/07 > 21:06:56 : 05/08 > 21:06:58 : 06/09 > 21:06:59 : 07/10 > 21:07:01 : 07/11 > 21:07:04 : 07/12 > 21:07:05 : 08/13 > 21:07:08 : 08/14 > 21:07:10 : 08/15 > 21:07:31 : 08/16 > 21:07:31 : Test finished. > > ---------- > Total: 8/16 > Probability that you were guessing: 59.8% > > -- signature -- > b54eb2a632d09ae60dbb1c13774d4152ee32f110 > > > In short my ears are as I have said not up to this sort of thing, but to > please Amir... It was quickly noticed by me & others that the log revealed more than he liked - > Output: > DS : Primary Sound Driver > > 21:04:53 : Test started. > 21:05:18 : 00/01 > 21:05:39 : 01/02 --- 21 seconds > 21:06:39 : 02/03 --- 60 seconds > 21:06:45 : 03/04 --- 6 seconds > 21:06:47 : 04/05 --- 2 seconds!!! > 21:06:50 : 04/06 --- 3 seconds!!! > 21:06:54 : 04/07 --- 4 seconds!!! > 21:06:56 : 05/08 --- 2 seconds!!! > 21:06:58 : 06/09 --- 2 seconds!!! > 21:06:59 : 07/10 --- 1 second!!!! > 21:07:01 : 07/11 --- 2 seconds!!! > 21:07:04 : 07/12 --- 3 seconds!!! > 21:07:05 : 08/13 --- 1 second!!! > 21:07:08 : 08/14 --- 3 seconds!!! > 21:07:10 : 08/15 --- 2 seconds!!! > 21:07:31 : 08/16 --- 21 seconds > 21:07:31 : Test finished. When I brought this up on Hydrogen Audio I was told that it was quiet OK to just guess if you can't hear any difference in the first couple of attempts - the excuse proferred that "life is too short" ------------------------------------------------------------------------ jkeny's Profile: http://forums.slimdevices.com/member.php?userid=35192 View this thread: http://forums.slimdevices.com/showthread.php?t=103684 _______________________________________________ audiophiles mailing list audiophiles@lists.slimdevices.com http://lists.slimdevices.com/mailman/listinfo/audiophiles
