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引用次数: 3
摘要
本文设计了一种音频波形自适应无损压缩算法，该算法可用于网络、PC游戏、图书馆档案等应用。开发了基于Windows的软件，该软件也可以在DOS或UNIX操作系统上使用。基于Rice码(Rice and Plant, 1971)进行无损压缩，提出了一种自适应选择最佳Rice码参数集来提高压缩比的方案。为了获得更高的压缩比，采用了自适应线性预测器。我们的软件实现了比已知的基于Windows的商业软件包稍高的压缩比，并且与另一个更高效的基于DOS的软件包兼容。
A lossless audio compression software for Windows application
This paper focuses on the design of an adaptive lossless compression algorithm for audio waveforms, which aims to be used in Internet, PC game, library archive applications, etc. Windows based software is developed which can also be used in DOS or UNIX operating system. The lossless compression is based on the Rice code (Rice and Plant, 1971), and a scheme to adaptively select a best set of Rice code parameters to enhance the compression ratio is proposed. In order to obtain a higher compression ratio, an adaptive linear predictor is employed. Our software achieved a slightly higher compression ratio than a known commercial Windows based package and is compatible with another more efficient DOS based package.
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