Alternatively, we can record audio with AudioNodes, which represents audio sources, the audio destination, and intermediate processing modules.And the recommended option is to record the audio. Click the Start Recording button to install a small-size launcher for the browser audio recording. Select output format for music files, MP3, WMA, WAV or OGG Vorbis. Now go to Audition to record audio playing through your speakers, like streaming music, web audio, online radio, you should see audio coming in through, as Audition will detect audio and show the sound in the sound bar, the larger the sound bar the louder the sound.Free Browser Audio Recorder to Record Audio Online Step 1.Capture audio from website I've found some free software that allows you to record the video but they don't record the audio.