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How to Replay an Audio-Blob in Javascript? - Stack …
https://stackoverflow.com/questions/34934862/how-to-replay-an-audio-blob-in-javascript
I want to replay an audio blob (wav), recorded in javascript using the Web Audio API. I tried the following: function replayBlob ( blob ) { var blobURL = window.URL.createObjectURL (blob); var audio0 = new Audio (blobURL); audio0.play (); } But this code does not replay the audio blob. I also tried replaying the blob via an html audio tag:
Blob - JavaScript
https://javascript.info/blob
Blob ArrayBuffer and views are a part of ECMA standard, a part of JavaScript. In the browser, there are additional higher-level objects, described in File API, in particular Blob. Blob consists of an optional string type (a MIME-type usually), plus blobParts – a sequence of other Blob objects, strings and BufferSource. The constructor syntax is:
JavaScript Blob - W3docs
https://www.w3docs.com/learn-javascript/javascript-blob.html
JavaScript Blob. The browser has additional high-level objects. Among them is the Blob. The Blob object visualizes a blob that is a file-like object of immutable. The Blob is a raw data: you can read it both as binary data or text. It consists of an optional string type, blobParts, strings, as …
Blob - Web APIs | MDN
https://developer.mozilla.org/en-US/docs/Web/API/Blob
Blob() Returns a newly created Blobobject which contains a concatenation of all of the data in the array passed into the constructor. Instance properties Blob.prototype.sizeRead only The size, in bytes, of the data contained in the Blobobject. Blob.prototype.typeRead only A string indicating the MIME type of the data contained in the Blob.
convert wav file received in the request response to blob ...
https://javascript.tutorialink.com/convert-wav-file-received-in-the-request-response-to-blob/
convert wav file received in the request response to blob Tags: axios , flask , javascript , python I am trying to receive a WAV file as the response to a POST request.
An Introduction To JavaScript Blobs and File Interface
http://qnimate.com/an-introduction-to-javascript-blobs-and-file-interface/
Blobs are very useful while working with binary remote files. A blob can be very large i.e., can contain audio and video data too. They can be created dynamically and using blob URLs they can be used as files. You can use them in many different ways to …
How to Convert an Audio Buffer to an Audio File | Web ...
https://www.russellgood.com/how-to-convert-audiobuffer-to-audio-file/
I’ll quickly summarize the below JavaScript code we’ll be starting with to get an AudioBuffer. The user uploads an audio file using the file input and clicks a button with id ‘compress_btn’ to start the process. We create a FileReader to read the file to an ArrayBuffer.
Using the MediaStream Recording API - Web APIs | MDN
https://developer.mozilla.org/en-US/docs/Web/API/MediaStream_Recording_API/Using_the_MediaStream_Recording_API
After that, we create a combined Blob out of the recorded audio chunks, and create an object URL pointing to it, using window.URL.createObjectURL (blob). We then set the value of the <audio> element's src attribute to the object URL, so that when the play button is pressed on the audio player, it will play the Blob.
Record to an Audio File using HTML5 and JS - nick's blog
https://air.ghost.io/recording-to-an-audio-file-using-html5-and-js/
Recording audio in the same format across browsers is annoying, especially if you want the audio files sent to a backend. Converting to a consistent audio format on the frontend before sending to the backend is a good solution. This is how Facebook Messenger and WhatsApp do their voice recording on the web.
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