| Paper: | AE-P3.3 | ||
| Session: | Broadband Coding, Perceptual Coding, and Auditory Modeling | ||
| Time: | Thursday, May 20, 13:00 - 15:00 | ||
| Presentation: | Poster | ||
| Topic: | Audio and Electroacoustics: Broadband and Perceptual Coding | ||
| Title: | A FAST ALGORITHM OF INTEGER MDCT FOR LOSSLESS AUDIO CODING | ||
| Authors: | Haibin Huang; Institute for Infocomm Research | ||
| Susanto Rahardja; Institute for Infocomm Research | |||
| Rongshan Yu; Institute for Infocomm Research | |||
| Xiao Lin; Institute for Infocomm Research | |||
| Abstract: | In this paper, a new fast algorithm to implement integer modified Discrete Cosine Transform (IntMDCT) is proposed. It is shown that the total rounding operations required for this algorithm is only 2.5N. As a result, its approximation error is far less than that of the directly converted integer transforms. At the same time, the complexity is greatly reduced which results in improved performance of a lossless audio coding system employing the IntMDCT in terms of compression ratio and complexity costs. | ||
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