ISSN : 2319-7323




INTERNATIONAL JOURNAL OF COMPUTER SCIENCE ENGINEERING


Open Access

ABSTRACT

Title : MPEG-1/2 audio layer-3(MP3) ON THE RISC basedARM PROCESSOR (ARM92SAM9263)
Authors : E.KALPANA, V.SRIDHAR, M.RAJENDRA PRASAD
Keywords : MPEG-1/2 audio layer-3, ARM7DMI, MIPS, CD, MP3,DSP ARCHITECHTURE,RISC,ARM92SAM9263
Issue Date : September 2012
Abstract : MPEG-1/2 audio layer-3(MP3) is a most popular format for playback 0f high quality compressed audio for portable devices such as audio players and mobile phones. Typically these devices are based on DSP architecture or RISC processor. While the DSP architecture is more efficient for implementing the MP3 algorithm, the challenges of RISC implementation are less understood. This project describes the challenges and optimization techniques useful for implementing the MP3 decoder algorithm on the RISC based ARM7DMI processor. Some of these techniques are generic and hence applicable to any audio code implementation on RISC-based platforms. This project gives results which are among the best in the industry, indicate that stereo MP3 at 44.1KHZ and 128KBPS can be decoded using 30-40MIPS on the ARM7TDMI. The target machine runs on ARM92SAM9263. The music data can be compressed into 1/10 size while maintaining CD quality, when the layer-3(MP3) algorithm is applied to the system. In addition the output of this decoder is fully bit complement with the standard on the ISO test vectors.
Page(s) : 79-107
ISSN : 2319-7323
Source : Vol. 1, No.1