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by padenot 3187 days ago
Yes, up to 32768, per spec [0]. It's just that Safari does not implement this part of the spec, which has changed in early 2015 to allow for longer FFTs [1].

[0]: https://webaudio.github.io/web-audio-api/#dom-analysernode-f... [1]: https://github.com/WebAudio/web-audio-api/issues/375