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:
Mar. 18, 2008
Filed:
Jun. 26, 2003
Ho-sang Sung, Daejeon, KR;
Dae-hwan Hwang, Daejeon, KR;
Dae-hee Youn, Seoul, KR;
Hong-goo Kang, Seoul, KR;
Young-cheol Park, Wonjoo, KR;
Ki-seung Lee, Seoul, KR;
Sung-kyo Jung, Seoul, KR;
Kyung-tae Kim, Seoul, KR;
Ho-Sang Sung, Daejeon, KR;
Dae-Hwan Hwang, Daejeon, KR;
Dae-Hee Youn, Seoul, KR;
Hong-Goo Kang, Seoul, KR;
Young-Cheol Park, Wonjoo, KR;
Ki-Seung Lee, Seoul, KR;
Sung-Kyo Jung, Seoul, KR;
Kyung-Tae Kim, Seoul, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
The present invention relates to a transmitter and a receiver for speech coding and decoding by using an additional bit allocation method. The transmitter and the receiver according to the present invention realize a voice communication service of high quality by using additional bits permitted in system requirements while using a conventional speech coder as it is. In addition, the transmitter and the receiver according to the present invention have an advantage in that they enable insertion of additional quantization blocks while not changing the structure of the conventional standard speech coder, since they allocate additional bits by applying a multi-stage quantization procedure not in a speech signal domain but in a parameter domain.