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https://github.com/juniorheptachords/da-beat-sequencer
Easy to use Audio / Midi beat sequencer.
https://github.com/juniorheptachords/da-beat-sequencer
audio clock drum drum-machine html5 javascript machine midi music sequencer step web
Last synced: 25 days ago
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Easy to use Audio / Midi beat sequencer.
- Host: GitHub
- URL: https://github.com/juniorheptachords/da-beat-sequencer
- Owner: juniorheptachords
- License: mit
- Created: 2017-03-26T04:50:22.000Z (over 7 years ago)
- Default Branch: master
- Last Pushed: 2017-04-05T01:55:31.000Z (over 7 years ago)
- Last Synced: 2024-08-03T16:09:56.779Z (4 months ago)
- Topics: audio, clock, drum, drum-machine, html5, javascript, machine, midi, music, sequencer, step, web
- Language: JavaScript
- Size: 440 KB
- Stars: 1
- Watchers: 0
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
- awesome-javascript-audio - da-beat-sequencer - lightweight MIDI and audio sequencer (MIDI instruments / Sequencers & Trackers)
README
# Da Beat Sequencer
Easy to use Audio / Midi beat sequencer.
Still a work in progress, tested in Chrome and Safari, planned to be working on all browsers.
## How to use
Include the 2 files da-beat-sequecer.js and da-beat-sequencer.css and instantiate the sequencer like this:
```javascript
var sequencer = new DaBeatSequencer();
```
For examples see in the demo folder.
## Properties
### autoplay
Start playing as soon as it is ready.
__Default: true__
### showVisual
Create a visual representation of the sequencer.
__Default: true__
### showControls
Create inputs to control the sequencer.
__Default: true__
### samplesSet
Array of audio samples urls for the audio mode.
__Default: empty array__
### sendMidi
Send midi notes to a midi port. Will active some inputs to configure Midi.
__Default: false__
### playSound
Play the samples set in the sampleSet option.
__Default: true__
### audioLatency
When playSound true and sendMidi true to play sound and send midi together, there could be latency between the audio in the browser and in the synthesizer connected to the midi out. This parameter allow to set a latency on the audio in milliseconds.
__Default: 0__
### midiLatency
Same as audioLatency but for the midi.
__Default: 0__
### bars
Number of bars in the sequence. Currently not used.
__Default: 1__
### stepsInBar
Number of steps in each bar. Some work to do still.
__Default: 16__
### bpm
The bpm obviously.
__Default: 110__
### steps
2D array representing the steps.
__Default:__
```javascript
[[1,1,0,1,0,0,1,1,0,1,1,0,0,0,0,0],
[0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0],
[1,0,1,1,1,0,1,0,1,0,1,0,1,0,1,1],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0]]
```
### midiNotes
Array of midi notes used when sending midi. The order in the array is related to the array of steps.
__Default:__
```javascript
[36, 38, 42, 43]
```
### midiClockMode
Set the midi clock mode to sync the sequencer with other devices.
__Possible values: "standalone", "master", "slave"__
__Default: "standalone"__
## To do
- Make it work on all browser!
- Still improve the midi clock sync
- Allow more bars to be defined
- Allow more flexibility on customization/override
- Make some more css
...