Papers

A Dual Audio Transcoding Algorithm for Digital Multimedia Broadcasting Services

International Conference
2006~2010
작성자
한혜원
작성일
2006-05-20 22:33
조회
189
Authors : Kyoung Ho Bang, Young Cheol Park, Dae Hee Youn

Year : 2006

Publisher / Conference : 120th Convention of Audio Engineering Society

Page : 6814

In this paper, we propose a dual audio transcoding algorithm to service high quality audio streams using a broadcasting network comprising heterogeneous audio formats. As two typical cases, audio transcodings from TDTV to T-DMB and S-DMB services are considered. While the Korean DTV audio standard employs the Dolby AC-3, the Korean T-DMB and Korean S-DMB services use the MPEG-4 BSAC and the MPEG-4 HE-AAC audio coding technologies, respectively. In the proposed algorithm, the bit allocation information of AC-3 is reused in the process of BSAC and HE-AAC encodings and the nested loops are reestablished as two independent loops, which saves significant amount of computational cost. In overall, the transcoding algorithm can save about 65% of computational cost for the BSAC encoding and 31% of HE-AAC encoding. Subjective quality evaluations show that the proposed algorithm has mean diffgrades of -0.02 and -0.01 relative to the tandem method. Due to its computational simplicity and effective performance, the proposed algorithm is suitable for the mobile multimedia services.
전체 327
8 International Conference Kyoung Ho Bang, Young Cheol Park, Dae Hee Youn "A Dual Audio Transcoding Algorithm for Digital Multimedia Broadcasting Services" in 120th Convention of Audio Engineering Society, pp.6814, 2006
7 International Conference Tacksung Choi, Young-Cheol Park, Dae Hee Youn "Efficient Out of Head Localization System for Mobile Applications" in 120th Convention of Audio Engineering Society, pp.6758, 2006
6 International Conference Kyoung Ho Bang, Young Cheol Park, Dae Hee Youn "Audio Transcoding Algorithm For Mobile Multimedia Application" in ICASSP, 2006
5 International Conference Bong-Jin Lee, Sung-Wan Yoon, Hong-Goo Kang, Dae Hee Youn "On the Use of Voting Methods for Speaker Identification Based on Various Resolution Filterbanks" in ICASSP, 2006
4 Domestic Conference 이봉진, 김원구, 강홍구, 윤대희 "다양한 해상도의 필터뱅크를 이용한 화자 검증 시스템과 스코어 조합 방법" in The fourth BERC Biometrics Workshop, 2006
3 Domestic Journal 이재성,박영철,윤대희 "프로세서 구조에 따른 DCT 알고리즘의 구현 성능 비교" in 한국통신학회논문지, vol.31, No.6C, pp.637-644, 2006
2 International Journal Ken Chen, Mark Hasegawa-johnson, Aaron Cohen, Sarah Borys, Sung-Suk Kim, Jennifer Cole, Jeung-Yoon Choi "Prosody dependent speech recognition on radio news corpus of American English" in IEEE Transactions on Audio, Speech, and Language Processing, vol.14, issue 1, pp.232-245, 2006
1 Domestic Journal 한철희, 강홍구, 황영수, 윤대희 "상대전달함수의 역필터링을 이용한 자동차 환경에서의 마이크로폰 어레이 빔형성 기법" in 한국음향학회지, vol.25, 제 1호, pp.30-35, 2006