PhoneBoy Speaks Ep 347: Surprise Burst
I stumbled upon a feature that was added in iOS 7 for the iPhone 5 and later: Burst Mode. Works pretty good.
Visit https://phoneboy.com/ps for more information about PhoneBoy Speaks and to find past episodes.
Donations of audio processing time from Auphonic are welcome!
PhoneBoy Speaks Ep 347: Surprise Burst