发明名称 |
Wide-band speech signal compression and decompression apparatus, and method thereof |
摘要 |
An apparatus to compress a wide-band speech signal, the apparatus including a narrow-band speech compressor to compress a low-band speech signal of the wide-band speech signal and output the compressed low-band speech signal as a low-band speech packet; and a high-band speech compressor to compress a high-band speech signal of the wide-band speech signal using energy information of the low-band speech signal provided from the narrow-band speech compressor, and outputs the compressed high-band speech signal as a high-band speech packet.
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申请公布号 |
US2005027516(A1) |
申请公布日期 |
2005.02.03 |
申请号 |
US20040891423 |
申请日期 |
2004.07.15 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
LEE WOO-SUK;PARK HO-CHONG;SON CHANG-YONG |
分类号 |
G10L19/02;G10L19/00;G10L19/12;G10L19/14;G10L21/02;H03M7/30;(IPC1-7):G10L19/04 |
主分类号 |
G10L19/02 |
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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