Title :
Low power MPEG/audio encoders using simplified psychoacoustic model and fast bit allocation
Author :
Oh, Hyen-O ; Kim, Joon-Seok ; Song, Chang-Jun ; Park, Young-Cheol ; Youn, Dae-Hee
Author_Institution :
Dept. of Electr. Eng., Yonsei Univ., Seoul, South Korea
Abstract :
We present novel MPEG/audio (both MP2 and MP3) encoder implementation techniques. Efficient methods of reducing the computational loads for the most compute-intensive routines are proposed. These methods are a simplified psychoacoustic model and fast bit allocation. By adopting them, the proposed encoders can produce an ISO/MPEG compliant bitstream with greatly reduced computational loads. Two separately implemented encoders verify the effectiveness of the proposed architectures in efficiency and quality
Keywords :
Hi-Fi equipment; ISO standards; audio coding; code standards; telecommunication standards; ISO/MPEG compliant bitstream; MP2 encoder; MP3 encoder; audio signal processing; computational load reduction; compute-intensive routines; fast bit allocation; fixed-point DSP core; low power MPEG/audio encoders; simplified psychoacoustic model; stereophonic audio signal; Application specific integrated circuits; Bit rate; Computer architecture; Decoding; Digital audio players; Digital signal processing; Material storage; Psychoacoustic models; Psychology; Quantization;
Conference_Titel :
Consumer Electronics, 2001. ICCE. International Conference on
Conference_Location :
Los Angeles, CA
Print_ISBN :
0-7803-6622-0
DOI :
10.1109/ICCE.2001.935327
