Head-Related Transfer Function

HRTFs , or Head-Related Transfer Functions are a series of techniques and processes for using information captured about head and face shape of a given user, to tailor-make a virtual reality experience for them.

HRTFs alter an electronic signal so as to mimic the effects of the head and sensory organs. For example, taking into account the shape of the outer ear before the signal would reach the inner ear, so as to alter it as it would be heard if physically present with the person.

Likewise, there is the possibility of using HRTFs to alter the experience as it would be heard with a differing head-shape.

See also: Spatial Filter, Interpupilary Distance

Below, we offer a selection of links from our resource databases which may match this term.

Head-Related Transfer Function HRTF

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A Survey of Health-Related Activities on Second Life
The Journal of Medical Internet Research has published a fairly comprehensive list of the health-related initiatives in just one single social VR platform. The scope is quite impressive.

Creating a Budget Head-tracker with the Wii-Mote
A demonstration of both the use of a Wii-mote as a cheap head tracker, and a demonstration of head tracking, rarely recorded

Bards
The bard has long been considered a major 'class' for Role-Played environments - the songster, the joker, and usually, the class overlooked in actual function and responsibility.

This short resource, reproduced with the permission of OBOD, looks at the true function of the bard, throughout history, and into the future.

VR Interfaces: Head Mounted Display

The Head Mounted Display, or HMD was one of the first true VR interfaces. It has gone through many changes over the years, and introduced new medical conditions. HMDs remain popular even today, but what are these strange boxy devices? How do they work?

Handshake and Transmit Data

Industry news, originally posted 23-02-2005. The human body is now a transmission medium for computer data. Just shake hands to transfer that file.

The Bandwidth to Feel
Using the current approach to data transfer the Internet is built on, full VR would never be possible. Just too many thousands of packets for different senses, all moving at once. You would literally come apart at the seams. Thankfully, there is another approach; Internet 2.

Intelligent, Sensitive Surgical Drill
Boring small holes in the head is a common occurrence for surgeons working on delicate surgical procedures for the senses. Dentists drilling teeth, surgeons drilling into the nose, ear, or drilling holes into the head. Delicate, tiny movements where one slip could slam the drill into soft tissue, rending arteries rearing ligaments, driving shards of bone into the brain.

Two-Way Data Neuroprosthetic Implants
IMEC, a nanotechnology company out of Leuven, Belgium, has developed a new approach to neuroprosthetics, an electrode probe that is capable of two-way data transfer. It can read neighbouring electrical impulses, and at the same time, transmit new impulses back.

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