정수형 연산 기반의 MP3 인코더 구현

Implementation of MP3 encoder based on integer operations

In this paper we implement MP3 encoder based on integer operations. To implement MP3 encoder presented in ［1］, floating-point operations are required. But we devise an MP3 encoding method which is based on integer operations. To verify the method presented in this paper, we implement MP3 encoder using ARM processor. In this paper we present the method to change floating point operations into integer operations, and the ARM assembly programming technique to implement fast MP3 encoder. The MP3 encoder implement using integer processor consumes less power than the encoder implemented using floating-point processor. So the encoder implemented in this paper is suitable lot portable applications which requires low power consumption.