On the phonetic information in ultrasonic microphone signals
We study the phonetic information in the signal from an ultrasonic "microphone", a device that emits an ultrasonic wave toward a speaker and receives the reflected, Doppler-shifted signal. This can be used in addition to audio to improve automatic speech recognition. This work is an effort...
| Main Authors: | , , |
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| Other Authors: | |
| Format: | Article |
| Language: | en_US |
| Published: |
Institute of Electrical and Electronics Engineers
2010
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| Online Access: | http://hdl.handle.net/1721.1/59850 https://orcid.org/0000-0002-3097-360X https://orcid.org/0000-0002-0958-1783 |