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The MPEG-4 BSAC Audio Decoder Implementation In Terrestrial DMB Receiver
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- Authors
- Suk Ho Lee, Min Seok Choi, Jin Kyu Kim, Duck Hwan Kim, Nak Woong Eum, Hee Bum Jung
- Issue Date
- 2006-01
- Citation
- International Conference on Consumer Electronics (ICCE) 2006, pp.257-258
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- We have developed the BSAC audio decoder for T-DMB (Terrestrial DMB) receiver. Here, we introduce and present an efficient implementation of BSAC audio decoder which consists of fast computation algorithm of filterbank, effective memory management of DSP, auto sampling frequency detection, simple lip sync method for A/V synchronization, error recovery circuit against some contaminating audio data and compact SDRAM hardware interface to receive the parsed MPEG-2 TS (Transport Stream). Because this decoder operates with low power consumption in spite of various functions, it is efficient for portable multimedia devices. © 2006 IEEE.
- KSP Keywords
- A/V synchronization, Audio data, Efficient implementation, Error Recovery, Frequency detection, Lip sync, Low Power consumption, MPEG-2 TS, Memory management, Mpeg-4, Sampling frequency