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Room volume estimation based on statistical properties of binaural signals using humanoid robot | IEEE Conference Publication | IEEE Xplore
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Room volume estimation based on statistical properties of binaural signals using humanoid robot


Abstract:

Humans can recognize approximate room size only by binaural audition. However, sound reverberation is not negligible in most environments. The reverberation causes tempor...Show More

Abstract:

Humans can recognize approximate room size only by binaural audition. However, sound reverberation is not negligible in most environments. The reverberation causes temporal fluctuation in the short-term Interaural Phase Differences (IPDs) of sound pressure. In this study, a novel method for estimating room volume is proposed based on the short-term IPDs of sound pressure by using a binaural humanoid robot. The humanoid robot turns its head toward a sound source, recognizes the sound source, then estimates the ego-centric distance by its stereovision. By interpolating the relations between room volume, average standard deviation and egocentric distance experimentally obtained for various rooms in a prepared database, the room volume was estimated by binaural audition from the average standard deviation of short-term IPDs at the estimated distance.
Date of Conference: 03-05 September 2014
Date Added to IEEE Xplore: 08 January 2015
ISBN Information:
Conference Location: Smolenice, Slovakia

References

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