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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Kumatani, K. Arakawa, T. Yamamoto, K. McDonough, J. Raj, B. Singh, R. Tashev, I. |
| Copyright Year | 2012 |
| Description | Author affiliation: Carnegie Mellon University, Voci Technologies, Inc., Pittsburgh, PA, USA (McDonough, J.) || Disney Research, Pittsburgh, USA (Kumatani, K.) || Microsoft Research, Redmond, WA, USA (Tashev, I.) || NEC Corporation, Kawasaki-shi, Japan (Arakawa, T.) || Toyohashi University of Technology, Toyohashi-shi, Japan (Yamamoto, K.) || Carnegie Mellon Univerity, Pittsburgh, PA, USA (Raj, B.; Singh, R.) |
| Abstract | Distant speech recognition (DSR) holds out the promise of providing a natural human computer interface in that it enables verbal interactions with computers without the necessity of donning intrusive body- or head-mounted devices. Recognizing distant speech robustly, however, remains a challenge. This paper provides a overview of DSR systems based on microphone arrays. In particular, we present recent work on acoustic beamforming for DSR, along with experimental results verifying the effectiveness of the various algorithms described here; beginning from a word error rate (WER) of 14.3% with a single microphone of a 64-channel linear array, our state-of-the-art DSR system achieved a WER of 5.3%, which was comparable to that of 4.2% obtained with a lapel microphone. Furthermore, we report the results of speech recognition experiments on data captured with a popular device, the Kinect [1]. Even for speakers at a distance of four meters from the Kinect, our DSR system achieved acceptable recognition performance on a large vocabulary task, a WER of 24.1%, beginning from a WER of 42.5% with a single array channel. |
| Starting Page | 1 |
| Ending Page | 10 |
| File Size | 627257 |
| Page Count | 10 |
| File Format | |
| ISBN | 9781467348638 |
| e-ISBN | 9780615700502 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2012-12-03 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | APSIPA |
| Subject Keyword | Array signal processing Noise Speech recognition Vectors Sensors Arrays Microphones |
| Content Type | Text |
| Resource Type | Article |
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