| 发明名称 |
METHOD AND APPARATUS FOR THE PERCEPTUAL CODING OF AUDIO SIGNALS |
| 摘要 |
A method and apparatus for performing a Modified Discrete Cosine Transform on an audio signal is disclosed which utilizes a Discrete Fourier Transform. Illustratively, the MDCT spectral coefficients for the signal are generated from the real FFT spectral coefficients.
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| 申请公布号 |
CA2090052(C) |
申请公布日期 |
1998.11.24 |
| 申请号 |
CA19932090052 |
申请日期 |
1993.02.22 |
| 申请人 |
AMERICAN TELEPHONE AND TELEGRAPH COMPANY |
发明人 |
DE SOUSA FERREIRA, ANIBAL JOAO;JOHNSTON, JAMES DAVID |
| 分类号 |
G10L19/00;G11B20/00;H03M7/30;H04B1/66;H04H20/88;(IPC1-7):G10L7/06 |
主分类号 |
G10L19/00 |
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