| Dear Pierre, Thanks for sharing your personal insight into you test taking motivation. As the in-lab version of this test was around 1 hour, we controlled for as much as we could while still keeping it a valid scientific study. Compressing it much more would render it unapplicable to the question posed.  I hope community members will still feel the interest and motivation to participate, as the study is now is a situation where large population (compared to on-site participants) is needed. Best regards  -Brian -- Brian FG Katz Equipe LAM : Lutheries Acoustique Musique Sorbonne Université, CNRS, Institut ∂'Alembert -------- Original message -------- From: Pierre Divenyi <pdivenyi@xxxxxxxxxxxxxxxxxx>  Date: 6/26/24  06:06  (GMT+01:00)  To: AUDITORY@xxxxxxxxxxxxxxx  Subject: Re: [AUDITORY] HRTF Listening Test   Samuel, Because of my 50-year active interest in this very area I would have liked to take your test. However, IMHO its 30-min length has stomped my enthusiasm to ground, which I think might be the feeling shared by the majority of your request’s readers. All the best, Pierre Pardon my typos. It's Apple's fault.  On Jun 24, 2024, at 21:11, Samuel Bellows <samuel.bellows11@xxxxxxxxx> wrote: 
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