Mobile App with real-time MIC-responsive Variable Speed Video Playback -- 2

Please check the detailed spec in this link before placing the bid: [login to view URL] A very simple (but later extendable) feature Application for Android & iOS is needed. Freelancer needs to develop front end Very briefly - a Server-side API (Provided by me) sends a Video file (Mp4) to the APP by some meta-info (Ie. target FPS). The App should be listening to the approximate rhytm of the Microphone Input, and speed up / slow down (or even stop) the Video according to the detected change in the musical rhythm of the Mic input, all this in real-time, with very-very little latency. Preferable for the freelancer to also have knowledge of audio and video processing as they will be dealing with a lot of mic input and video playback