压缩质量低l QC ？
MPEG4是一种压缩率高、对传输带宽要求低、图像质量高的图象编码技术。
MPEG4 is a video coding technology with the characters of high compression ratio, low requirement for transmission bandwidth and high quality of image.
然而，基于DCT的传统视频压缩方法由于在低比特率下出现块失真严重影响恢复视频质量。
Unfortunately, in these situations, the notorious blocking artifacts resulting from block DCT set a severe limit on the achievable bit-rate with acceptable quality.
通过对矢量量化图像编码算法进行改进，达到低运算量，高压缩比以及稳定的图像质量的目的。
The algorithm of VQ must be improved to reducing amount of calculation, increasing compression rate and steadying the quality of rebuilt image at same time.
作为ATSC-HDTV系统的声音制式标准，杜比AC-3是一种高质量、低复杂度的多声道声音编码压缩技术，被越来越多的应用到各种场合。
As audio compression standard of ATSC-HDTV, Dolby AC-3 is a high-quality, low-complexity multichannel audio coder which is used for more and more applications.
MFJ-299有有高度，媒体和低的选择开关的一个高的质量压缩物喇叭筒。
MFJ-299 has a high quality compressor amplifier with high, medium, and low selection switches.
MFJ-299有有高度，媒体和低的选择开关的一个高的质量压缩物喇叭筒。
MFJ-299 has a high quality compressor amplifier with high, medium, and low selection switches.
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