HRTF Measurements of a KEMAR Dummy-Head Microphone

by
Bill Gardner and Keith Martin
MIT Media Lab

May, 1994

abstract

An extensive set of head-related transfer function (In this document, we use the acronym HRTF to refer to head related impulse responses. The impulse response and transfer function are related in the obvious way by the Fourier transform.) measurements of a KEMAR dummy head microphone has recently been completed. The measurements consist of the left and right ear impulse responses from a Realistic Optimus Pro 7 loudspeaker mounted 1.4 meters from the KEMAR. Maximum length (ML) pseudo-random binary sequences were used to obtain the impulse responses at a sampling rate of 44.1 kHz. A total of 710 different positions were sampled at elevations from -40 degrees to +90 degrees. Also measured were the impulse response of the speaker in free field and several headphones placed on the KEMAR. This data is being made available to the research community on the Internet via anonymous FTP and the World Wide Web.

• Measurement technique
• Measurement procedure
• Speaker and headphone measurements
• The data
• Compact data files
• Accessing the data on the Internet
• Usage restrictions
• Correspondence
• Acknowledgements
• Bibliography

* NOTE: You can find HRTF Measurements in /OTHER/MEASURE folder (OTHER: MEASURE for Mac users)

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