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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Suk Hyun Yoon Jong Ha Moon Myung Hoon Sunwoo |
| Copyright Year | 2005 |
| Description | Author affiliation: Sch. of Electr. & Comput. Eng., Ajou Univ., Suwon, South Korea (Suk Hyun Yoon; Jong Ha Moon; Myung Hoon Sunwoo) |
| Abstract | This paper presents specialized DSP instructions and their hardware architecture for high-quality audio algorithms, such as the MPEG-2/4 advanced audio coding (AAC), Dolby AC-3, MPEG-2 backward compatible (BC), etc. The proposed architecture is specially designed and optimized for the IMDCT (inverse modified discrete cosine transform), and Huffman decoding in the AAC decoding algorithm. Performance comparisons show a significant improvement compared with TMS320C62/spl times/ and ASDSP21060 for the IMDCT computation. Furthermore, the dedicated Huffman accelerator performs the decoding process in only one cycle. The proposed DPU (data processing unit) consists of 107,860 gates and achieves 150 MIPS. |
| Starting Page | 2947 |
| Ending Page | 2950 |
| File Size | 212713 |
| Page Count | 4 |
| File Format | |
| ISBN | 0780388348 |
| DOI | 10.1109/ISCAS.2005.1465245 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-05-23 |
| Publisher Place | Japan |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Digital signal processing Decoding Hardware Audio coding Computer architecture Algorithm design and analysis Design optimization Discrete cosine transforms Variable speed drives Data processing |
| Content Type | Text |
| Resource Type | Article |
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