![]() That’s all folks please don’t forget to checkout wavesurfer docs, before using it. Overall, i will say that this is a really great javascript library, that does the job with a very minimal setup process. The issue is that each time you play the excerpt, the cursor moves slightly forward, when it was supposed to stay at the time correspoding to the end position passed to the method play(). fa-play>Play/Pause.Better controls can also be added to look a lot nicer. This button is supposed to play a segment starting 500ms before the playhead up to the playhead position. Wavesurfer is a javascript library to analyze audio files and create an. Wavesurfer can be customized in a number of ways you can also add many plugins, plugins like spectrogram plugin, playlist plugin, etc. There are a number of ways to serve static assets to your rails app, i wanted to do it quickly so, i added them directly from wavesurfer’s CDN to my audio files’ show page. If you are looking for a WordPress player with such. If i wanted to make this app for production, i would have added file validations, direct uploads and all of those other features as well. This player doesnt have and will not have Like Button, Sharing Button, Play count and Download count. I kept everything very simple and went just with the barebones. Since this app was just for testing, so i didn’t add any file validations, direct uploads or anything of that sort. I used active storage to handle file uploads, it has a “audiofile” model with and attachment of “audio_data”. To test wavesurfer, I created a basic web app, that allows users to upload audio files and then stream them on the fly. ![]() This javascript library is a very cool way to visualize audio files especially if you a music streaming app or any other app that has an audio player associated with it. Wavesurfer also comes with its own audio player, so no additional HTML5 audio player is required. It’s very similar to the ones that you can find on soundcloud and other music streaming sites. I recently discovered wavesurfer.js and have integrated it into a web-interface for linguists (making it possible for them to play the audio for query results they retrieve). Wavesurfer.load('audio/TranscriptionTest2.Wavesurfer is a javascript library to analyze audio files and create an audio spectrum. Here’s my most minimal test case which does work in Firefox (it uses some local audio which you will need to replace): The added upside is that I no longer need to care about the ready event because the MediaElement can play even before the waveform is drawn. Eventually my solution was to use the MediaElement backend. I have tried to make sure the ready event was fired before playing, and other tricks, but they didn’t work. Is there a preferred way to use the Regions plugin to play a set of regions in succession I have read through the documentation, looked through the previous issues, and taken a look at the source code, but I am not clear about the ideal way to identify a set of regions to play and play them in a specific order etc. My Firefox is v51.0.1 (32 bit) on Windows. The wavesurfer.isPlaying property will change to true, but the seek bar does not move, and the sound does not play. After this, I can trigger play, and the play event will fire. When not working, it will draw the waveform and allow you to click around to move the seek point, but it won’t play any sound. Wavesurfer.js doesn’t play audio for me in Firefox, unless you set the backend option to MediaElement.
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