Edit video and audio, support subtitle overlay, watermark effect, levels adjust, video crop, video resize, audio equalizer, audio normalize and audio gain.
编辑视频和音频，支持字幕叠加，水印效果，水平调整，视频作物，调整视频，音频均衡器，音频正常化和音频增益。
In the personalized printing technology field printing watermark has a wide range of applications, using watermark varnish to achieve watermark effect has become a new research hot spots.
印刷水印在个性化印刷技术领域有着广泛的应用前景，水印光油实现水印效果已成为印刷水印研究的新热点。
In addition, the watermark has strong robust when the video frequency effect is not dropped, because the watermark is embedded in luminance AC domain.
另外因为把水印嵌入到亮度dct的交流系数中，可在保证视频后果不失真的前提下，使水印具有很强的健壮性。
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