Introduction - If you have any usage issues, please Google them yourself
Functional requirements:
A music playback system designed to collect, use the lowest possible sampling rate, music, and design 16KHz playback system for playback. Claim:
(1) via a microphone (speaker) music into the computer (laptops) in the collection, processing attention background noise
(2) design a 16KHz playback broadcast system
(3) the acquisition of at least three different spectral characteristics of the music section.