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Conference Paper Implmentation of digital audio effect SoC
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Authors
Kyung Jin Byun, Young Su Kwon, Bon Tae Koo, Nak Woong Eum, Koang Hui Jeong, Jae Eul Koo
Issue Date
2009-06
Citation
International Conference on Multimedia and Expo (ICME) 2009, pp.1194-1197
Publisher
IEEE
Language
English
Type
Conference Paper
DOI
https://dx.doi.org/10.1109/ICME.2009.5202714
Abstract
This paper describes the implementation of digital audio effect SoC (System on Chip) which integrates the embedded DSP core, audio codec IP, a number of peripheral blocks and various audio effect algorithms. The audio effect SoC is developed by a software and hardware co-design method. The embedded DSP and some dedicated hardware blocks are developed as a hardware design while the audio effect algorithms are realized by a software centric way. In the implementation of audio effects, we employ the primitive functions of the embedded DSP compiler which provide the efficient way to implement the audio effect algorithms. Most of the algorithms are implemented by C language with the primitive functions and they are run on the embedded DSP while the equalizer which requires a large amount of computing power is implemented by the dedicated hardware block with high flexibility. The audio effect SoC was fabricated by using 0.18 um CMOS process and it was evaluated successfully on the real-time test board. ©2009 IEEE.
KSP Keywords
0.18um CMOS, Audio codec, C Language, CMOS Process, Computing power, Design method, Digital audio effect, Hardware Design, Real-time test, Software and hardware co-design, System-On-Chip(SoC)