Design of Arithmetic Operation Core in Embedded Processor for High Definition Audio Applications
To meet requirements of wider data width, higher throughput, and more flexibility, a specific arithmetic operation core (AOC) is designed for high definition audio application specific processors. The proposed core is capable of processing long bit-width operations, as well as short bit-width operat...
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| Veröffentlicht in: | Applied Mechanics and Materials 2014-04, Vol.538 (Mechanical, Electronic and Engineering Technologies (ICMEET 2014)), p.289-292 |
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| container_issue | Mechanical, Electronic and Engineering Technologies (ICMEET 2014) |
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| container_title | Applied Mechanics and Materials |
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| creator | Wei, Zhen Qi Liu, Pei Lin Kong, Ji Ying, Ren Dong |
| description | To meet requirements of wider data width, higher throughput, and more flexibility, a specific arithmetic operation core (AOC) is designed for high definition audio application specific processors. The proposed core is capable of processing long bit-width operations, as well as short bit-width operations in parallel. A six-stage pipeline is applied in the architecture of AOC to support amounts of DSP operations, and a novel stage-skipping technique is used to improve the execution efficiency of instructions passing through the deep pipeline. Several DSP kernels and audio data decoding applications are used in performance evaluation of AOC. Experiment results show that the proposed operation core can achieve over 50% higher execution efficiency in audio applications than conventional high performance DSPs, providing an appealing solution for design of operation core for high definition audio applications. |
| doi_str_mv | 10.4028/www.scientific.net/AMM.538.289 |
| format | Article |
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| ispartof | Applied Mechanics and Materials, 2014-04, Vol.538 (Mechanical, Electronic and Engineering Technologies (ICMEET 2014)), p.289-292 |
| issn | 1660-9336 1662-7482 1662-7482 |
| language | eng |
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| source | Scientific.net Journals |
| subjects | Arithmetic Audio data Digital signal processing Embedded computer systems Flexibility High definition Microprocessors Pipelines |
| title | Design of Arithmetic Operation Core in Embedded Processor for High Definition Audio Applications |
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