Onset

Musical onset detection approach

Musical onset detection approach
  1. What is onset detection in music?
  2. What is onset detection?
  3. What is onset strength?

What is onset detection in music?

The audio signal is often considered to be a succession of the discrete acoustic events. The term music onset. detection refers to detection of the instant when a discrete event begins in a music signal.

What is onset detection?

Onset detection is concerned with finding the start of a musical note immediately preceding the attack. Onset detection in conjunction with pitch detection are utilized in various processes such as pitch-shifting, synthesis, adaptive filtering and envelope generation, to name a few.

What is onset strength?

Onset strength at time t is determined by: mean_f max(0, S[f, t] - ref[f, t - lag]) where ref is S after local max filtering along the frequency axis 1. By default, if a time series y is provided, S will be the log-power Mel spectrogram.

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