On 2022-12-30, Marc Lavallée wrote:
Because individualized HRTF measurements are made using in-ear microphones, using in-ear monitors for binaural reproduction seems an easy strategy to avoid effects of headphone cavities, [...]
I'd also argue most in-ear monitors have been done wrong. Because the nice, painless way of doing them interrupts the acoustic canal to the ear from the outside. The instrumentation tends to obstruct the canal, so that it varies the measurement.
The proper way to do it would be to inject a slight and sensitive probe from behind, via tissue, right in front of the tympanic membrane.
This could now be done, but none of the studies I'm aware of *still* haven't done it so. Quite probably because something like this would be painful, and if analgesia would be tried as close to the inner or middle ear, it'd then also foul up your hearing.
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