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A low-power highly-integrated MPEG1/2 audio layer 3 (MP3) decoder for CD-based systems

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4 Author(s)
Cloetens, H. ; Broadband & Entertainment Solutions Div., Motorola, Munich, Germany ; Hahn, R. ; Hooser, B. ; Lenke, F.

The system design and the chip implementation aspects of an MPEG1/2 audio layer 3 (MP3) decoder chip suitable for Compact Disc (CD) based systems is discussed. A new innovative chip architecture is presented which addresses the low-power requirements of portable applications. This utilizes an optimum split between control processing tasks and signal processing code. The architecture was implemented using a synthesizable System-on-a-Chip approach. The chip has been fabricated in 0.18 μm CMOS technology. The silicon area is 16 mm2 and operates at a minimum of 140 MHz, achieving up to 80 hours of playtime. This low-power approach outperforms other commercially available solutions.

Published in:

Custom Integrated Circuits Conference, 2002. Proceedings of the IEEE 2002

Date of Conference: