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Journal Article
Optimization of HE-AAC for Korean S-DMB Using TMS320C55x DSP Core
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- Authors
- Hyung Jung Kim, Deock Gu Jee
- Issue Date
- 2006-12
- Citation
- Journal of the Acoustical Society of Korea, v.25, no.4E, pp.137-141
- ISSN
- 1225-4428
- Publisher
- 한국음향학회 (ASK)
- Language
- English
- Type
- Journal Article
- Abstract
- This paper presents HE-AAC decoder optimization on TMS320C55x fixed-point DSP core using a DSP-C like FFR code, which provides fast and flexible porting to a DSP core. Our optimization efforts are focused on methodologies that include general optimization methods of FFR code suitable for general DSP or RISC platform in high-level language and software optimization methods in assembly language level. The implementation result requires 48 MIPS and 135 Kbytes memory space to decode 48 Kbps stereo using real Korean S-DMB data.
- KSP Keywords
- AAC decoder, Fixed-point, High-level language, Memory space, Software optimization, assembly language, fast and flexible, optimization methods