| 摘要 |
A method for controlling quantization scales when encoding video signals, includes: obtaining a number of changes in the quantization scales of within a time period; generating a new quantization scale; and comparing the number of changes with a predetermined value to determine whether to replace a prior quantization scale with the new quantization scale; wherein when the number of changes exceeds the predetermined value, retain the prior quantization scale instead of replacing it with the new quantization scale.
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