Originally Posted by Scott Wilkinson
Kaushik Sunder, research scientist at Ossic, talks about immersive hearing—how humans hear in three dimensions. Topics include the anatomy of the ear and how head-related transfer functions (HRTFs) affect the spectral balance of what we hear based on the direction from which a sound comes as well as individual characteristics such as the shape of the outer ear and size of the head. He also discusses binaural recording...
With regards to HRTF and binaural recordings, it seems to me that you would want the microphones to be placed wherever your point sources will be; i.e., if the listener is using over-the-ear headphones, then the microphones should be placed at the location of the headphone speakers, not inside the ear. That way, you'd achieve true coupling of the recording and playback.
For this reason, binaural recordings don't make sense to me. If the recordings are created using microphones that are inserted into a dummy head, then the recording has that generic HRTF added to it. When the listener then listens to the recording, their own HRTF will also come into play, thus doubling the HRTF 'effect'(for lack of a better term). The only way a binaural recording makes sense to me is if the listener is using in-ear monitors, thus bypassing their own HRTF and only ending up with the one imposed by the recording. Am I missing something here?
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