![]() The amplitude of the spatial noise shaping. Maximum number of passes to target compression size or PSNR.Ĭhoose from 1 to 4, the maximum number of segments to use. Lower value might result in faster processing time at the expense of larger file size and lower compression quality.Ĭhoose from: 0=none, 1=segment-smooth, 2=pseudo-random dithering.Ĭhoose 0 for no quality degradation and 100 for maximum degradation. When higher values are utilized, the encoder spends more time inspecting additional encoding possibilities and decide on the quality gain. It controls the trade off between encoding speed and the compressed file size and quality. Image-hint= default, photo, picture, graph Typical values are usually in the range of 20 to 50. The higher the value, the smoother the image appears. Higher values increase the strength of the filtering process applied after decoding the image. ![]() The strength of the deblocking filter, between 0 (no filtering) and 100 (maximum filtering). Return a similar compression to that of JPEG but with less degradation. When enabled, the algorithm spends additional time optimizing the filtering strength to reach a well-balanced quality. It's disabled by default to help compressibility. Lossless compression of alpha is achieved using a value of 100, while the lower values result in a lossy compression. The compression value for alpha compression between 0 and 100. Predictive filtering method for alpha plane: 0=none, 1=fast, 2=best. Encode the alpha plane: 0 = none, 1 = compressed. ![]()
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