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2003 International Conference on Multimedia and Expo - Volume 1 (ICME '03)
A low power VLSI implementation for variable length decoder in MPEG-1 layer III
Baltimore, MD, USA
July 06-July 09
ISBN: 0-7803-7965-9
Tsung-Han Tsai, Dept. of Electr. Eng., Nat. Central Univ., Chung-li, Taiwan
Wen-Cheng Chen, Dept. of Electr. Eng., Nat. Central Univ., Chung-li, Taiwan
Chun-Nan Liu, Dept. of Electr. Eng., Nat. Central Univ., Chung-li, Taiwan
MPEG layer III (MP3) audio coding algorithm was a widely used audio coding standard. It involves several complex coding techniques and is therefore difficult to create an efficient architecture design. The variable length decoding was an important part, which needs great amount of search and memory read/write operations. In this paper a data driven variable length decoding algorithm is presented, which can exploit the signal statistics of variable length codes to reduce power. The decoder was designed based on simplicity and low-cost, low power consumption while retaining the high efficiency requirements.
Citation:
Tsung-Han Tsai, Wen-Cheng Chen, Chun-Nan Liu, "A low power VLSI implementation for variable length decoder in MPEG-1 layer III," icme, vol. 1, pp.133-136, 2003 International Conference on Multimedia and Expo - Volume 1 (ICME '03), 2003
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