Audio Fingerprint Identification

The following schema describes how to define an audio fingerprint (AFP) identification task.

[AFPMatchWav]
0 = a ← wav(MONO, input)
1 = fp ← afpfeature(_, a)
2 = tr ← afp(_, fp)
3 = output ← afpout(_, tr)
0 The wav module processes the mono audio.
1 The afpfeature module converts audio data into audio fingerprint features.
2 The afp module matches features against a database of known tracks.
3 The afpout module writes the identification results to file.

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