research-article

A new R-D estimation method for compressed domain MP3/AAC bit-rate reduction

Authors:

Haibin Huang,

Susanto RahardjaAuthors Info & Claims

ICUIMC '14: Proceedings of the 8th International Conference on Ubiquitous Information Management and Communication

Article No.: 69, Pages 1 - 4

https://doi.org/10.1145/2557977.2558052

Published: 09 January 2014 Publication History

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Abstract

Reducing MP3/AAC bit rate in compressed domain is computationally more efficient than direct transcoding. To compute rate distortion (R-D) table of an audio signal in compressed domain, we propose a new method for estimating the distortion vs. scale factor (D-SF) table, which is a precursor to the R-D table. Using the D-SF table, an R-D table can be easily derived. It is shown that the proposed method estimates the D-SF table more accurately than the prior art. Experimental results show that the proposed method can achieve gain up to 2.4dB.

References

[1]

T. Lai, C. Wang, and T. Chiang. A NMR optimized bitrate transcoder for MPEG-2/4 LC-AAC. In Circuits and Systems, 2007. ISCAS 2007. IEEE International Symposium on, pages 3936--3939. IEEE, 2007.

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[2]

Y. Nakajima, H. Yanagihara, A. Yoneyama, and M. Sugano. MPEG audio bit rate scaling on coded data domain. In Acoustics, Speech and Signal Processing, 1998. Proceedings of the 1998 IEEE International Conference on, volume 6, pages 3669--3672. IEEE, 1998.

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[3]

K. Takag, S. Miyaji, and Y. Takishima. High speed AAC bit rate reduction on the compressed domain. In Multimedia and Expo, 2007 IEEE International Conference on, pages 1287--1290. IEEE, 2007.

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Index Terms

A new R-D estimation method for compressed domain MP3/AAC bit-rate reduction
1. Information systems
  1. Information systems applications

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Published In

ICUIMC '14: Proceedings of the 8th International Conference on Ubiquitous Information Management and Communication

January 2014

757 pages

ISBN:9781450326445

DOI:10.1145/2557977

Conference Chairs:
Dongsoo S. Kim
Indiana University
,
Sang-Wook Kim
Hanyang University, Korea
,
General Chairs:
Suk-Han Lee
Sungkyunkwan University
,
Korea Lajos Hanzo
University of Southampton, UK
,
Roslan Ismail
Universiti Kuala Lumpur, Malaysia

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 09 January 2014

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ICUIMC '14

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SKKU

ICUIMC '14: The 8th International Conference on Ubiquitous Information Management and Communication

January 9 - 11, 2014

Siem Reap, Cambodia

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ICUIMC '14 Paper Acceptance Rate 116 of 407 submissions, 29%;

Overall Acceptance Rate 251 of 941 submissions, 27%

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Index Terms

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