Creates a WebAudio context singleton with the given options. Returns null
if not supported.
Example
var audioCtx =
You can also create an OfflineAudioContext
in case you would like to process (faster) without any rendering.
var offlineContext = offline: true
Usage
ctx = createContext(options|sampleRate)
Returns a singleton audio context for the given sampleRate
.
The options:
sampleRate
- if specified, will set the context sampleRate.latencyHint
- if specified, will control latency. One of'balanced'
,'playback'
,'interaction'
(default) or number.offline
- if specified, will create OfflineAudioContext.length
- if specified, will set number of frames for offline context.channels
- if specified, will set number of channels for offline context.{...contextAttributes}
any other options for the context.
Handles vendor prefixing for audio contexts. Returns null
if we are not in a browser, or if the context is not available, or if there was an error creating the context.
Running tests
# Run tests in tape-run's default browser npm test # Run in a specified browser. # See https://github.com/juliangruber/tape-run#runopts for options npm test -- --browser firefox
License
MIT