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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Mu Yeol Choi Hwa Jeon Song Hyung Soon Kim |
| Copyright Year | 2007 |
| Description | Author affiliation: Pusan Nat. Univ., Pusan (Mu Yeol Choi) |
| Abstract | Automatic speech recognition (ASR) is one indispensable technology to communicate with a service robot. In real-world environments, ASR faces many kinds of sound sources and they should be discriminated to improve ASR performance. In ASR systems, speech is usually detected from the input signal by voice activity detection (VAD) scheme. Speech and music, how ever, are not easily discriminated by the VAD because they share similar characteristics such as periodicity. In this paper, we adopt a speech/music discriminator into the front-end of the ASR system in order to disable music stream not to be an input for the ASR system. Our speech/music discriminator employs the mean of minimum cepstral distances (MMCD) as a feature parameter. Experimental result shows the MMCD parameter outperforms the conventional feature parameter, spectral flux. |
| Starting Page | 118 |
| Ending Page | 121 |
| File Size | 2656405 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781424416349 |
| DOI | 10.1109/ROMAN.2007.4415064 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2007-08-26 |
| Publisher Place | South Korea |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Robustness Speech recognition Automatic speech recognition Mel frequency cepstral coefficient Cepstral analysis Human robot interaction Service robots Entropy Microphone arrays Robotics and automation |
| Content Type | Text |
| Resource Type | Article |
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