var canvas = document.createElement('canvas');
var context = canvas.getContext('2d');
var img = document.getElementById('myimg');
canvas.width = img.width;
canvas.height = img.height;
context.drawImage(img, 0, 0 );
var myData = context.getImageData(0, 0, img.width, img.height);
arecord -v -f cd -t raw | sox - output.mp3
If you cannot load the operating system, use the Linux* bootable version to test the processor.