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Web Audio API performance and debugging notes
https://padenot.github.io/web-audio-perf/#:~:text=%EE%80%80Audio%EE%80%81%20output%20%EE%80%80latency%EE%80%81%20is%20very%20important%20for%20the,iOS%20%28a%20few%20milliseconds%29%2C%20a%2030-40ms%20on%20Linux%2FPulseAudio.
html - Javascript Web Audio API latency - Stack Overflow
https://stackoverflow.com/questions/44498737/javascript-web-audio-api-latency
source = audioCtx.createMediaStreamSource (stream); source.connect (audioCtx.destination); I get 200 milliseconds latency between input and output audio. I tried in Google Chrome and Firefox on 2 different PCs with Windows 7 and Windows 10 and it looks the same everywhere.
AudioContext.baseLatency - Web APIs | MDN
https://developer.mozilla.org/en-US/docs/Web/API/AudioContext/baseLatency
A double representing the base latency in seconds. Example // default latency ("interactive") const audioCtx1 = new AudioContext ( ) ; console . log ( audioCtx1 . baseLatency ) ; // 0.00 // higher latency ("playback") const audioCtx2 = new AudioContext ( { latencyHint : 'playback' } ) ; console . log ( audioCtx2 . baseLatency ) ; // 0.15
AudioContext.outputLatency - Web APIs | MDN
https://developer.mozilla.org/en-US/docs/Web/API/AudioContext/outputLatency
AudioContext.outputLatency. The outputLatency read-only property of the AudioContext Interface provides an estimation of the output latency of the current audio context. This is the time, in seconds, between the browser passing an audio buffer out of an audio graph over to the host system's audio subsystem to play, and the time at which the first sample in the buffer is …
2. Perfect Timing and Latency - Web Audio API [Book]
https://www.oreilly.com/library/view/web-audio-api/9781449332679/ch02.html
One of the strengths of the Web Audio API as compared to the <audio> tag is that it comes with a low-latency precise-timing model. Low latency is very important for games and other interactive applications since you often need fast auditory response to user actions. If the feedback is not immediate, the user will sense the delay, which will lead to frustration.
Web Audio API latency - bugzilla.mozilla.org
https://bugzilla.mozilla.org/show_bug.cgi?id=1375466
The latency is in the stream before > it connects to a web audio context. In Firefox, regardless of what you're doing, we consider that when you're doing getUserMedia, AudioContext, or use MediaStream in any capacity, you want lower latency (note that AudioContext lets you pass in a "hint" [0] to change this assumption, to suite some use cases better, but we haven't …
Web Audio API latency on Android - Stack Overflow
https://stackoverflow.com/questions/35701015/web-audio-api-latency-on-android
I'm using the Web Audio API in my Intel XDK project but have found that although it works without any latency in desktop Chrome and on iPad (presumably iPhone too although I can't test this), there is very noticeable latency on Android - by latency I mean a delay of around 300ms between user initiation of a sound and playback.
Web Audio API performance and debugging notes
https://padenot.github.io/web-audio-perf/
Audio output latency is very important for the Web Audio API. Usually, implementations use the lowest available audio latency on the system to run the rendering thread . Roughly, this mean on the order of 10ms on Windows (post-Vista, using WASAPI), very very low on OSX and iOS (a few milliseconds), a 30-40ms on Linux/PulseAudio.
Web Audio API - GitHub Pages
https://webaudio.github.io/web-audio-api/
For example, if the audio context is running at 44.1 kHz and the AudioDestinationNode implements double buffering internally and can process and output audio each render quantum, then the processing latency is \((2\cdot128)/44100 = 5.805 \mathrm{ ms}\), approximately.
Test Web Browser Audio Latency - Superpowered
https://superpowered.com/webbrowserlatency
Low round-trip audio latency is a strong indicator of how well any web browser and the underlying device is optimized for professional audio applications. Lower audio latency provides significant benefits to users of all sorts of apps like music production, games, augmented hearing apps, VOIP and other interactive apps. How does this Web Browser Audio Latency Test work? The test …
Audio nodes should expose their intrinsic latency. · Issue ...
https://github.com/WebAudio/web-audio-api/issues/469
Compression, panning and waveshaping add latency in the current Chrome and Firefox implementation. Filters and gains do not. I think waveshapers should only add latency when you oversample. Otherwise, there shouldn't be …
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