Start by including wavesurfer.js in your page:Ĭreate an instance of WaveSurfer, passing the element selector and other configuration options : that only take a minute to be implemented. I've recently found wavesurfer.js, an amazing waveform image utility that uses Web Audio API to create super customizable waveform visualizations. ![]() ![]() They can be functional and aesthetic, allowing users to navigate visually. You can use a tool like bbc/audiowaveform to generate peaks.Waveform images are an awesome addition to annoying audio widgets. We recommend using pre-decoded peaks for large files (see this example). A: Since wavesurfer decodes audio entirely in the browser, large files may fail to decode due to memory constrains.Q: Does wavesurfer support large files?.Have a question about integrating wavesurfer.js on your website? Feel free to ask in our Discussions forum. See the complete documentation of the new API. – use setOptions with the corresponding params instead. setHeight, setWaveColor, setCursorColor, etc.toggleMute is now called setMuted(true | false).exportPCM is renamed to getDecodedData and doesn't take any params.skipForward, skipBackward, setPlayEnd – can be implemented using setTime(time).loadBlob – use URL.createObjectURL() to convert a blob to a URL and call load(url) instead.drawBuffer – to redraw the waveform, use setOptions instead and pass new rendering options.getFilters, setFilter – as there's no Web Audio "backend".xhr, drawingContextAttributes, maxCanvasWidth, forceDecode – removed to reduce code complexity.splitChannelsOptions – you should now use splitChannels to pass the channel options.skipLength – there's no skipForward and skipBackward methods anymore.scrollParent – the container will scroll if minPxPerSec is set to a higher value.responsive – responsiveness is enabled by default.renderer – there's just one renderer for now, so no need for this option.pixelRatio – vicePixelRatio is used by default. ![]()
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