捕获一次后，后续增益无需重新捕获直接就生效了

[ko1004u]

步骤：打开视频，捕获-增益加大声音，增益生效√ 关闭捕获，增益加大声音，增益依然生效，且捕获直接打开了

[polywock]

Hello! That is intentional for ease of use. If a new user adjusts the gain slider or pitch slider, I want them to know right away what the slider does.