//Create media configuration to be tested
const mediaConfig = {
    type : 'file', // 'record', 'transmission', or 'media-source'
    audio : {
        contentType : "audio/ogg", // valid content type
        channels : 2,     // audio channels used by the track
        bitrate : 132700, // number of bits used to encode 1s of audio
        samplerate : 5200 // number of audio samples making up that 1s.
     }
};

// check support and performance
navigator.mediaCapabilities.decodingInfo(mediaConfig).then(result => {
    console.log('This configuration is ' +
        (result.supported ? '' : 'not ') + 'supported, ' +
        (result.smooth ? '' : 'not ') + 'smooth, and ' +
        (result.powerEfficient ? '' : 'not ') + 'power efficient.'
});