Tips for converting .WAV files to .MP3 format and streaming audio within a Meteor application

I have a function in my Meteor app that retrieves .wav data based on a text input. I now want to convert this .wav data into .mp3 format and play the audio within my app. How can I accomplish this?

Meteor.call("watsonaudio",wusername,wpassword,text, function(error, results) {
        console.log("Insideeeeee");
        if(results){
            console.log("resultsss",results.content);
            var audio = new Audio(results.content);
             //audio.src = results.content;
            audio.play();
            console.log("audio played");
        }

    });

In the code snippet above, results.content contains .wav data structured like (RIFFWAVEfmt ....). How can I successfully play this audio file?

Answer №1

If you're looking to play a 'wav' audio file, you can use the HTMLAudioElement interface or howler.js. However, some versions of Internet Explorer may have trouble playing 'wav' files, so it's best to convert them to another format first.

Since you mentioned converting to 'mp3', you may have already run into issues with IE and 'wav' files. Check out these examples for different conversion approaches:

  1. Using Recordmp3JS
  2. Using RecorderJS and libmp3lame.js

It's important to note that these solutions aren't specific to Meteor, as the issue isn't tied to Meteor at all. Keep this in mind as you search for a solution.

Consider doing the 'wav' to 'mp3' conversion on the server before sending the data to the client. Sending compressed 'mp3' data is more efficient than transferring uncompressed 'wav' data.

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