发明名称 |
AUDIO VISUAL DETECTION OF VOICE ACTIVITY FOR SPEECH RECOGNITION SYSTEM |
摘要 |
An automatic speech recognizer (40) only responsive to acoustic speech utterances is activated only in response to acoustic energy having a spectrum associated with the speech utterances and at least one facial characteristic associated with the speech utterances. In one embodiment, a speaker must be looking directly into a video camera (12) and the voices and facial characteristics of plural speakers must be matched to enable activation of the automatic speech recognizer. |
申请公布号 |
WO03065350(A1) |
申请公布日期 |
2003.08.07 |
申请号 |
WO2003IB00264 |
申请日期 |
2003.01.29 |
申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V. |
发明人 |
COLMENAREZ, ANTONIO;KELLNER, ANDREAS |
分类号 |
G06T7/00;G10L11/02;G10L15/04;G10L15/24;G10L15/28;G10L17/00 |
主分类号 |
G06T7/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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