Low cost embedded chairman/delegate units design for digital conference system

Author

Yung-Chang Tseng ; Tsung-Hsing Lin ; Chiao-Hsuan Chuang ; Tung-Lin Lee ; Liang-Bi Chen ; Chih-Lin Hung ; Chao-Wen Wu

Author_Institution

Dept. of R&D, BXB Electron. Co., Ltd., Kaohsiung, Taiwan

fYear

2012

fDate

4-7 Nov. 2012

Firstpage

740

Lastpage

744

Abstract

For enhancing our existing conference systems product of embedded chairman/delegate units, a low cost embedded chairman/delegate units design is proposed in this paper, which is capable of digital audio processing for digital conference system. In addition, the functionality of an automatic gain control (AGC), a dynamic range compression (DRC), and a 2.5W embedded class-D speaker amplifier is also supported in this design.

Keywords

amplifiers; audio signal processing; automatic gain control; teleconferencing; automatic gain control; digital audio processing; digital conference system; dynamic range compression; embedded chairman-delegate units design; embedded class-D speaker amplifier; power 2.5 W; Automatic generation control; Codecs; Conferences; Electronics packaging; Gain control; Microphones; Speech; chairman unit; delegate unit; digital audio codec; digital conference system; digital signal processing (DSP);

fLanguage

English

Publisher

ieee

Conference_Titel

Intelligent Signal Processing and Communications Systems (ISPACS), 2012 International Symposium on

Conference_Location

New Taipei

Print_ISBN

978-1-4673-5083-9

Electronic_ISBN

978-1-4673-5081-5

Type

conf

DOI

10.1109/ISPACS.2012.6473589

Filename

6473589