Invention Grant
- 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.: US08433565B2Publication Date: 2013-04-30
- Inventor: Woo-suk Lee , Ho-chong Park , Chang-yong Son
- Applicant: Woo-suk Lee , Ho-chong Park , Chang-yong Son
- Applicant Address: KR Suwon-Si
- Assignee: Samsung Electronics Co., Ltd.
- Current Assignee: Samsung Electronics Co., Ltd.
- Current Assignee Address: KR Suwon-Si
- Agency: Staas & Halsey LLP
- Priority: KR10-2003-0048665 20030716
- Main IPC: G01L19/02
- IPC: G01L19/02 ; G01L19/00
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
- US20050027516A1 Wide-band speech signal compression and decompression apparatus, and method thereof Public/Granted day:2005-02-03
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