点击下面表格占位音符 之后启用 它的时钟源支持精确采样的调度以及速度曲线和自动化。本示例使用每16个音符调用一次循环播放。 is the application-wide timekeeper. It's clock source enables sample-accurate scheduling as well as tempo-curves and automation. This example uses to invoke a callback every 16th note.