Invention Application
- Patent Title: Wide-band speech signal compression and decompression apparatus, and method thereof
- Patent Title (中): 宽带语音信号压缩和解压缩装置及其方法
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Application No.: US10891423Application Date: 2004-07-15
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Publication No.: US20050027516A1Publication Date: 2005-02-03
- Inventor: Woo-suk Lee , Ho-chong Park , Chang-yong Son
- Applicant: Woo-suk Lee , Ho-chong Park , Chang-yong Son
- Applicant Address: KR Suwon city
- Assignee: SAMSUNG ELECTRONICS CO., LTD.
- Current Assignee: SAMSUNG ELECTRONICS CO., LTD.
- Current Assignee Address: KR Suwon city
- Priority: KR2003-48665 20030716
- Main IPC: G10L19/02
- IPC: G10L19/02 ; G10L19/00 ; G10L19/12 ; G10L19/14 ; G10L21/02 ; H03M7/30 ; G10L19/04
Abstract:
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.
Public/Granted literature
- US08433565B2 Wide-band speech signal compression and decompression apparatus, and method thereof Public/Granted day:2013-04-30
Information query
