它们源自休斯敦约翰逊航天中心录制的原始录音磁带，这些录音磁带最近被重新数字化，使之成为未压缩的高保真录音。
They have been taken from the original magnetic tape recordings made at Johnson Space Center, Houston, which have recently been re-digitised to make uncompressed, higher-fidelity audio recordings.
基于提升方法构造的整数小波变换，采用行索引稀疏存储方案，可以对海量影像数据进行高保真的压缩。
The method of sparsely row-indexed storage has been used to compress large volumes of image data, on the base of integer wavelet transform constructed by lift scheme.
这种编码方法还适合于对诸如遥感图像等需要较高保真度的图像进行压缩。
This method can also be used to compress images with many demands upon fidelity, such as remote sensing images.
RBC方法的主要特点是恢复图像的高保真和压缩算法的低运算复杂度，因此十分适合高速、实时压缩应用。
The RBC is characterized with high fidelity of the restored image and low computation complexity of the compression algorithm, and so it is quite suitable for high speed real time compression usage.
由于数字图像具有数据量大的特点，出于对图像存储成本和图像通信的考虑，良好的图像压缩技术要能够实现高压缩率和高保真率。
The digital image has huge data information, so the algorithm which has high compression ratio and high fidelity rate is urgently needed, taking account of storage cost and communication.
由于数字图像具有数据量大的特点，出于对图像存储成本和图像通信的考虑，良好的图像压缩技术要能够实现高压缩率和高保真率。
The digital image has huge data information, so the algorithm which has high compression ratio and high fidelity rate is urgently needed, taking account of storage cost and communication.
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