text: What is the sample rate for Instagram? - Virtual life
  What is the sample rate for Instagram?
  What sound quality is Instagram?
  Does Instagram lower sound quality?
  Can I post an audio file on Instagram?
  The Nyquist-Shannon Sampling Theorem says that: "A band limited continuous-time signal can be sampled and perfectly reconstructed from its samples if the waveform is sampled over twice as fast as its highest frequency component." Instagram uses an industry standard 44.1kHz sample rate, more than enough to convey the …
  Instagram compresses audio to really bad bit rate MP3s, so that's why you get the really bad quality.