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Step Sequencer

关于这个模拟实验

This simulation shows how music loops are built. A board holds four rows (Kick, Snare, Hat and Bell) and eight steps. Students click cells to switch notes on or off, and a glowing playhead sweeps across the grid, sounding every cell that is on. Tempo can be changed from 60 to 200 BPM, and presets such as Backbeat, Four on the floor, Random or Empty give starting patterns. Readouts show the current step, tempo, number of cells on, and the length of one step and of the whole loop. It teaches rhythm, steps and beats, tempo in beats per minute and how seconds relate to BPM, so it fits music and math lessons.

学生可以探索什么

  • Choose the Empty pattern and click cells to build a beat of your own.
  • Turn on only the Kick row on steps 1 and 5, then add Snare on steps 3 and 7.
  • Move Tempo to 60 and then to 200 BPM and read the Step / loop length readout.
  • Try the Four on the floor preset and describe what is different from Backbeat.
  • Add Bell notes to make a tune, and use the Playing toggle to pause and start again.

学习目标

  1. 1Build a looping rhythm pattern by choosing which steps are on.
  2. 2Explain how tempo in BPM sets the length of a step and a loop.
  3. 3Calculate the length of a beat in seconds from beats per minute.
  4. 4Describe how layered sounds make a groove.

教师常问的问题

Is it free?

Yes. Step Sequencer is free, needs no sign-up and runs in any modern browser, including whiteboards, tablets and phones.

How do I make a beat?

Click any cell on the grid to turn it on or off. The playhead sweeps across the eight steps and plays every cell that is on in each row.

How long is one loop?

Eight steps are eighth notes, so one loop is 4 beats. At 120 BPM a beat is 0.5 seconds, a step is 0.25 seconds and the loop is 2 seconds.

What is a backbeat?

A backbeat puts the strong accent on the even beats, usually with the snare on beats 2 and 4, while the kick plays on beats 1 and 3.

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