Audio files are limited to 60 minutes in length; and video files are limited to 15 minutes in length. Practically speaking, your upload size may be additionally limited by your Internet connection and upload speed. A live Internet connection must be maintained for the duration of your upload. Upload speeds (even for high-speed Internet connections) are often only one third of the advertised download speed for your service. So, uploading large audio or video files may still take several minutes to more than an hour