3 ms·

So it's essentially a bass shaker track?

• ogurechny 3y ago
  Today, it seems to be it. The article does mention that historically the limits of transmission and playback systems were the reason for introduction of independent channel for lowest frequencies (instead of mixing it into main audio channels). https://en.wikipedia.org/wiki/Low-frequency_effects https://en.wikipedia.org/wiki/Low-frequency_effects