Secondly three major aspects of audio compression algorithm were analyzed. Those aspects are subband filter bank and modified discrete cosine transform (MDCT), psychoacoustic model, quantification and coding.
接着研究了音频压缩算法，重点讨论了其中的三个主要部分，即子带滤波器组和修正离散余弦变换、心理声学模型、量化与编码。
参考来源 - MPEG·2,447,543篇论文数据，部分数据来源于NoteExpress
This paper analyses the key technologies used in MP3, such as subband filter, psychoacoustical model and dynamic noise allocation.
笔者对MP3所用到的几个关键技术，如子带滤波、心理声学模型、动态噪声分配等做出简明分析。
This paper introduces the key technologies used in MP3, such as subband filter, psychoacoustical model and dynamic noise allocation.
笔者对MP3所用到的几个关键技术，如子带滤波、心理声学模型、动态噪声分配等做出简明分析。
Secondly, introduces MP3 audio compress standard including subband filter bank, psychoacoustic model, adaptive window switch over, Huffman coding, bit reservior, etc.
其次，介绍了MP3音频压缩标准所使用的子带编码、心里声学模型、自适应窗口切换、哈夫曼编码、比特池等关键技术。
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