I read the Q & A from August on posting an audio file. You said most record it on their cell phones. How do you get it from your phone to the correct place in bgu labs. Sorry for the question, I'm knew to this.
You can also create a Dropbox account on either an Apple device or an Android device. You will need an app for Dropbox. These are available from the Apple Store and from Google's Play Store. Once you have that installed, this article describes how to upload to Dropbox: https://www.dropbox.com/help/syncing-uploads/upload-mobile