The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 13, 2011
Filed:
May. 13, 2005
Changyong Son, Gyeonggi-do, KR;
Hosang Sung, Gyeonggi-do, KR;
Hochong Park, Gyeonggi-do, KR;
Byounghak Jeong, Seoul, KR;
Youngyo Kim, Seoul, KR;
Changyong Son, Gyeonggi-do, KR;
Hosang Sung, Gyeonggi-do, KR;
Hochong Park, Gyeonggi-do, KR;
Byounghak Jeong, Seoul, KR;
Youngyo Kim, Seoul, KR;
Samsung Electronics Co., Ltd., Suwon-Si, KR;
Abstract
A speech signal compression and/or decompression method, medium, and apparatus in which the speech signal is transformed into the frequency domain for quantizing and dequantizing information of frequency coefficients. The speech signal compression apparatus includes a transform unit to transform a speech signal into the frequency domain and obtain frequency coefficients, a magnitude quantization unit to transform magnitudes of the frequency coefficients, quantize the transformed magnitudes and obtain magnitude quantization indices, a sign quantization unit to quantize signs of the frequency coefficients and obtain sign quantization indices, and a packetizing unit to generate the magnitude and sign quantization indices as a speech packet.