MDCT:改进离散余弦变换
“改进离散余弦变换”(Modified Discrete Cosine Transform)是一种在信号处理和数据分析领域中广泛使用的数学工具,常被缩写为MDCT,以便于书写及学术交流。该变换方法在音频压缩、图像处理等技术应用中具有重要作用,能够有效提升信号分析的精度和效率。
Modified Discrete Cosine Transform具体释义
Modified Discrete Cosine Transform的英文发音
例句
- The modified discrete cosine transform ( MDCT ) is the most commonly used algorithm in digital signal processing. In this paper, A MDCT spectrum optimization technique based on the subtraction of stationary sinusoidal components is presented.
- 通过研究信号中正弦成分对改进的离散余弦变换(MDCT)的频谱产生的影响,针对使用MDCT滤波器组的音频编码系统,结合正弦参数提取,提出了一种对MDCT频谱进行优化的方法。
- But the encoded domain of MP3-MDCT ( modified discrete cosine transform ) coefficients has a fast-changing sign makes them difficult to interpolate.
- 但是MP3的编码域-MDCT(modifieddiscretecosinetransform)域的系数有着快速变化的符号,难以直接对它进行插值。
- Modified discrete cosine transform ( MDCT ) and IMDCT, which are lapped orthogonal transform used in signal processing, are two of the most intensive computational operation in the MPEG audio coding standard.
- MDCT和IMDCT是2种重叠正交变换,也是MPEG音频标准中运算量最大的2种运算,主要应用在数字信号处理当中。
- Modified discrete cosine transform ( MDCT ) is widely used in audio compression, such as the MPEG audio layer III codec.
- 修正离散余弦变换(MDCT)在音视频信号编码中得到广泛地应用,其快速算法在实时编解码系统中尤为重要。
- And the one-dimensional discrete cosine transform is realize with a modified Loeffler fast algorithm. Largely reduce the complexity of the hardware implementation, improve the processing speed of two-dimensional discrete cosine transform.
- 并采用改进算法结构的Loeffler快速算法实现一维离散余弦变换,减少了硬件实现的复杂度,提高了二维离散余弦变换的处理速度。
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