Cipic hrtf database



Keywords: cipic hrtf database
Description: The CIPIC HRTF Database is a public-domain database of high-spatial-resolution HRTF measurements for 45 different subjects, including the KEMAR mannequin with both small and large pinnae. The

The CIPIC HRTF Database is a public-domain database of high-spatial-resolution HRTF measurements for 45 different subjects, including the KEMAR mannequin with both small and large pinnae.

The database includes 2,500 measurements of head-related impulse responses for each subject. These "standard" measurements were recorded at 25 different interaural-polar azimuths and 50 different interaural-polar elevations. Additional "special" measurements of the KEMAR manikin were made for the frontal and horizontal planes. In addition, the database includes anthropometric measurements for use in HRTF scaling studies, technical documentation, and a utility program for displaying and inspecting the data. Accessing the data requires MATLAB 5x or greater. Additional details are given in the following paper:

The size of the complete database is approximently 180 MBytes. Instructions for downloading the entire database or certain selected portions of it are given below. Alternatively, if you would like to sample it first, Prof. David C. Mountain of the Department of Biomedical Engineering at Boston University has made the database conveniently available for inspection online at EarLab at Boston University, "Special Collection Searches"

Interested researchers with fast Internet connections are requested to obtain the data via http download. A limited number of CD-ROMs have been prepared for those who have a serious interest in the entire database but who cannot download such large files. If that describes your situation, please mail a please mail a written request on institutional letterhead that includes both your mailing address and your e-mail address to:

The entire CIPIC HRTF Database contains the most recent version of the data, software, and documentation.

180MB! This binary file can be used to burn a CD of the CIPIC Database. Be sure to save with a right click as some software tries to view the data as a text file.

Software: Show_data is a collection of Matlab files that can be used to view the "standard" CIPIC HRIR files. The manual for the show_data program can be found in the documentation directory. Note! You need Matlab 5.x or higher to use. And while we have tried to make it bug free :-) we can offer no support.

The HRTF data inspection program show_data was developed using Matlab 6.0. If you experience Matlab problems using a later release, replace the m-files in the show_data directory with the ones in this tar file.

Data: KEMAR data for both large and small pinna is available in two formats. "Standard", which is also the format used with our human subjects, consists of measurements recorded at 25 different interaural-polar azimuths and 50 different interaural-polar elevations. The "Special" data set was made at equally spaced intervals for the frontal and horizontal planes. For more information please see the documentation.

2012 Revision. Click here to download the folder 2012_Rev that contains the pinna images, the updated show_data code and a read_me file. Note that the updated show_data code should replace the old version.

  • Documentation for the UCD HRIR files. The documentation includes descriptions of the geometry and coordinate systems.
  • The user manual for the show_data program.
  • Description of the anthropometric parameters in the database.
  • The Revision history.
  • The "WASPAA" Paper referenced above.

This work was supported by the National Science Foundation under grants IRI-96-19339 and ITR-00-86075, and by the University of California DiMI program, with additional support from Aureal Semiconductor, Creative Advanced Technology Center, Hewlett-Packard, and Interval Research Corporation. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation or our other sponsors.

The programs and data files use three-dimensional MATLAB arrays, and thus require MATLAB 5.x or higher. It has been tested primarily on PC platforms under Linux and Windows 9x, and may have to be modified to run on other computing systems. Although we welcome reports of problems or suggestions for enhancements, no support of any kind can be provided.

THE REGENTS OF THE UNIVERSITY OF CALIFORNIA MAKE NO REPRESENTATION OR WARRANTIES WITH RESPECT TO THE CONTENTS HEREOF AND SPECIFICALLY DISCLAIM ANY IMPLIED WARRANTIES OR MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE.

Further, the Regents of the University of California reserve the right to revise this software and/or documentation and to make changes from time to time in the content hereof without obligation of the Regents of the University of California to notify any person of such revision or change.

The Regents of the University of California hereby grant users permission to reproduce and/or use materials available therein for any purpose- educational, research or commercial. However, each reproduction of any part of the materials must include the copyright notice, if it is present.

In addition, as a courtesy, if these materials are used in published research, this use should be acknowledged in the publication. If these materials are used in the development of commercial products, the Regents of the University of California request that written acknowledgment of such use be sent to:

CIPIC- Center for Image Processing and Integrated Computing University of California 1 Shields Avenue Davis, CA 95616-8553

Department of Electrical and Computer Engineering. University of California Davis. One Shields Avenue. Davis, CA 95616






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