| 发明名称 |
VORVERARBEITUNGSVERFAHREN UND -VORRICHTUNG FUER EINE SPRACHERKENNUNGSVORRICHTUNG |
| 摘要 |
Signal-to-noise is enhanced by including the upper sideband of a sampled-speech signal with the original baseband signal for further signal processing. The invention features shifting both bands to form a continuum from 0 Hz to the sampling frequency. Application in a speech recognition is shown. |
| 申请公布号 |
DE2919085(A1) |
申请公布日期 |
1979.11.15 |
| 申请号 |
DE19792919085 |
申请日期 |
1979.05.11 |
| 申请人 |
HITACHI,LTD. |
发明人 |
NAKAJIMA,AKIRA;ICHIKAWA,AKIRA;NAKATA,KAZUO |
| 分类号 |
G10L15/20;G10L15/00;G10L15/02;G10L21/02;(IPC1-7):G10L1/00 |
主分类号 |
G10L15/20 |
| 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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