Title :
The MPEG-4 BSAC audio decoder in terrestrial DMB receiver
Author :
Lee, Sukho ; Choi, Minseok ; Kim, Jinkyu ; Kim, Duckhwan ; Eum, Nakwoong ; Jung, Heebum
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
Keywords :
arithmetic codes; audio coding; broadcasting; channel bank filters; decoding; media streaming; MPEG-4; SDRAM hardware interface; audio decoder; auto sampling frequency detection; bit sliced arithmetic coding; error recovery circuit; filterbank; simple lip sync method; terrestrial DMB receiver; transport stream; Computer interfaces; Decoding; Digital multimedia broadcasting; Digital signal processing; Filter bank; Frequency; MPEG 4 Standard; Memory management; Sampling methods; Streaming media;
Conference_Titel :
Consumer Electronics, 2006. ICCE '06. 2006 Digest of Technical Papers. International Conference on
Conference_Location :
Las Vegas, NV
Print_ISBN :
0-7803-9459-3
DOI :
10.1109/ICCE.2006.1598408
