Working under KVS Hari at the Indian Institute of Science (IISc) as a summer intern, I had the opportunity to explore binaural spatial audio. This was my first experience with spatial audio and Head Related Transfer Functions (HRTF’s), which I used in a few of my later projects.
Using the database of HRTF’s from the MIT Media Lab, I worked on generating virtual sources of sound and generating spatial sequences. I also used spline interpolations to create a ‘rotary’ effect, where the source of the sound appears to revolve around the listener. Finally, I worked on creating a ‘spatial mix’ of audio from a multi-channel audio source; the aim was to mimic a surround sound setup for headphones.
Unfortunately, I cannot find audio examples for this project; I don’t think I will have time to fix some compatibility issues in the source in the near future…Tags: 2010, DSP, HRTF, Indian Institute of Science, Matlab, Spatial Audio